./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product33.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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 ................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:26:27,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:26:27,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:26:27,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:26:27,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:26:27,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:26:27,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:26:27,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:26:27,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:26:27,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:26:27,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:26:27,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:26:27,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:26:27,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:26:27,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:26:27,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:26:27,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:26:27,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:26:27,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:26:27,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:26:27,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:26:27,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:26:27,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:26:27,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:26:27,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:26:27,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:26:27,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:26:27,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:26:27,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:26:27,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:26:27,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:26:27,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:26:27,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:26:27,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:26:27,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:26:27,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:26:27,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:26:27,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:26:27,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:26:27,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:26:27,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:26:27,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:26:27,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:26:27,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:26:27,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:26:27,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:26:27,241 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:26:27,241 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:26:27,242 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:26:27,242 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:26:27,242 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:26:27,242 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:26:27,244 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:26:27,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:26:27,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:26:27,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:26:27,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:26:27,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:26:27,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:26:27,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:26:27,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:26:27,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:26:27,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:26:27,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:26:27,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:26:27,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:26:27,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:26:27,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:26:27,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:26:27,249 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:26:27,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:26:27,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:26:27,250 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:26:27,252 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:26:27,252 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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2019-11-28 03:26:27,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:26:27,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:26:27,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:26:27,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:26:27,581 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:26:27,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-11-28 03:26:27,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5944b2c57/f845a5b15b164df493172753e59d09dc/FLAG1d3efffe8 [2019-11-28 03:26:28,177 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:26:28,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-11-28 03:26:28,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5944b2c57/f845a5b15b164df493172753e59d09dc/FLAG1d3efffe8 [2019-11-28 03:26:28,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5944b2c57/f845a5b15b164df493172753e59d09dc [2019-11-28 03:26:28,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:26:28,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:26:28,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:26:28,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:26:28,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:26:28,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:28" (1/1) ... [2019-11-28 03:26:28,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:28, skipping insertion in model container [2019-11-28 03:26:28,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:26:28" (1/1) ... [2019-11-28 03:26:28,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:26:28,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:26:29,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:26:29,026 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:26:29,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:26:29,212 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:26:29,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29 WrapperNode [2019-11-28 03:26:29,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:26:29,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:26:29,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:26:29,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:26:29,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:26:29,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:26:29,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:26:29,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:26:29,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... [2019-11-28 03:26:29,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:26:29,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:26:29,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:26:29,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:26:29,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:26:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:26:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:26:29,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:26:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:26:30,246 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:26:30,246 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 03:26:30,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:30 BoogieIcfgContainer [2019-11-28 03:26:30,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:26:30,248 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:26:30,248 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:26:30,252 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:26:30,253 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:26:30,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:26:28" (1/3) ... [2019-11-28 03:26:30,254 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eee29e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:26:30, skipping insertion in model container [2019-11-28 03:26:30,254 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:26:30,254 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:26:29" (2/3) ... [2019-11-28 03:26:30,255 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7eee29e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:26:30, skipping insertion in model container [2019-11-28 03:26:30,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:26:30,255 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:30" (3/3) ... [2019-11-28 03:26:30,257 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product33.cil.c [2019-11-28 03:26:30,301 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:26:30,301 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:26:30,301 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:26:30,302 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:26:30,302 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:26:30,302 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:26:30,303 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:26:30,303 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:26:30,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-28 03:26:30,343 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:26:30,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:26:30,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:26:30,353 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:26:30,353 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:26:30,354 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:26:30,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-28 03:26:30,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:26:30,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:26:30,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:26:30,362 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:26:30,362 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:26:30,367 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 37#L670true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 64#L678true main_#t~ret59 := valid_product_#res;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 41#L765true assume 0 != main_~tmp~6; 15#L742true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L787-1true [2019-11-28 03:26:30,367 INFO L796 eck$LassoCheckResult]: Loop: 42#L787-1true assume !false; 77#L591true assume test_~splverifierCounter~0 < 4; 18#L592true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 26#L600true assume !(0 != test_~tmp~5); 30#L600-1true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 5#L610true assume !(0 != test_~tmp___0~1); 6#L610-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 70#L620true assume 0 != test_~tmp___2~0; 49#L626-2true assume !(0 != ~pumpRunning~0); 50#L432true assume !(0 != ~systemActive~0); 32#L439true havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 46#L849true __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 39#L787true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 42#L787-1true [2019-11-28 03:26:30,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:26:30,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:30,389 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701718923] [2019-11-28 03:26:30,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:30,763 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:30,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:30,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1681529854, now seen corresponding path program 1 times [2019-11-28 03:26:30,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:30,765 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070838276] [2019-11-28 03:26:30,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:30,783 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:30,786 INFO L82 PathProgramCache]: Analyzing trace with hash 32749084, now seen corresponding path program 1 times [2019-11-28 03:26:30,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:30,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137241442] [2019-11-28 03:26:30,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:26:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:26:31,002 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137241442] [2019-11-28 03:26:31,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:26:31,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:26:31,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441438597] [2019-11-28 03:26:31,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:26:31,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:26:31,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:26:31,125 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 6 states. [2019-11-28 03:26:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:26:31,282 INFO L93 Difference]: Finished difference Result 75 states and 103 transitions. [2019-11-28 03:26:31,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:26:31,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 103 transitions. [2019-11-28 03:26:31,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:26:31,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 96 transitions. [2019-11-28 03:26:31,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-11-28 03:26:31,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-11-28 03:26:31,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 96 transitions. [2019-11-28 03:26:31,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:26:31,299 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-28 03:26:31,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 96 transitions. [2019-11-28 03:26:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 03:26:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 03:26:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-28 03:26:31,334 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-28 03:26:31,334 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-28 03:26:31,334 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:26:31,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 96 transitions. [2019-11-28 03:26:31,336 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:26:31,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:26:31,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:26:31,337 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:26:31,337 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:26:31,338 INFO L794 eck$LassoCheckResult]: Stem: 217#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 182#L-1 havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 183#L670 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 213#L678 main_#t~ret59 := valid_product_#res;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 218#L765 assume 0 != main_~tmp~6; 191#L742 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 192#L787-1 [2019-11-28 03:26:31,338 INFO L796 eck$LassoCheckResult]: Loop: 192#L787-1 assume !false; 219#L591 assume test_~splverifierCounter~0 < 4; 193#L592 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 194#L600 assume !(0 != test_~tmp~5); 204#L600-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 174#L610 assume !(0 != test_~tmp___0~1); 175#L610-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 177#L620 assume 0 != test_~tmp___2~0; 221#L626-2 assume !(0 != ~pumpRunning~0); 210#L432 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 195#L464 assume !(0 == ~pumpRunning~0); 181#L439 havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 206#L849 __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 214#L787 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 192#L787-1 [2019-11-28 03:26:31,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:31,339 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:26:31,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:31,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242741220] [2019-11-28 03:26:31,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,461 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:31,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:31,464 INFO L82 PathProgramCache]: Analyzing trace with hash -619428453, now seen corresponding path program 1 times [2019-11-28 03:26:31,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:31,465 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152236721] [2019-11-28 03:26:31,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:26:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:26:31,496 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152236721] [2019-11-28 03:26:31,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:26:31,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:26:31,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498835514] [2019-11-28 03:26:31,500 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:26:31,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:26:31,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:26:31,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:26:31,502 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. cyclomatic complexity: 30 Second operand 3 states. [2019-11-28 03:26:31,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:26:31,609 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2019-11-28 03:26:31,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:26:31,611 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 147 transitions. [2019-11-28 03:26:31,618 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2019-11-28 03:26:31,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 109 states and 147 transitions. [2019-11-28 03:26:31,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 109 [2019-11-28 03:26:31,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2019-11-28 03:26:31,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 147 transitions. [2019-11-28 03:26:31,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:26:31,630 INFO L688 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2019-11-28 03:26:31,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 147 transitions. [2019-11-28 03:26:31,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-28 03:26:31,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-28 03:26:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 147 transitions. [2019-11-28 03:26:31,647 INFO L711 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2019-11-28 03:26:31,647 INFO L591 BuchiCegarLoop]: Abstraction has 109 states and 147 transitions. [2019-11-28 03:26:31,647 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:26:31,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 147 transitions. [2019-11-28 03:26:31,653 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2019-11-28 03:26:31,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:26:31,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:26:31,655 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:26:31,655 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:26:31,655 INFO L794 eck$LassoCheckResult]: Stem: 406#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 365#L-1 havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6; 366#L670 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 402#L678 main_#t~ret59 := valid_product_#res;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 407#L765 assume 0 != main_~tmp~6; 379#L742 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 380#L787-1 [2019-11-28 03:26:31,656 INFO L796 eck$LassoCheckResult]: Loop: 380#L787-1 assume !false; 410#L591 assume test_~splverifierCounter~0 < 4; 427#L592 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 459#L600 assume !(0 != test_~tmp~5); 457#L600-1 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 456#L610 assume !(0 != test_~tmp___0~1); 358#L610-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 359#L620 assume 0 != test_~tmp___2~0; 409#L626-2 assume !(0 != ~pumpRunning~0); 414#L432 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 381#L464 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 382#L889 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 388#L894 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 360#L566 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 361#L566-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 421#L572 processEnvironment_#t~ret35 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 362#L468 assume !(0 != processEnvironment_~tmp~3); 364#L439 havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 395#L849 __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 403#L787 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 380#L787-1 [2019-11-28 03:26:31,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 03:26:31,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:31,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811689769] [2019-11-28 03:26:31,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash -22033881, now seen corresponding path program 1 times [2019-11-28 03:26:31,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:31,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808328641] [2019-11-28 03:26:31,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,824 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:31,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:26:31,825 INFO L82 PathProgramCache]: Analyzing trace with hash -7321907, now seen corresponding path program 1 times [2019-11-28 03:26:31,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:26:31,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025305211] [2019-11-28 03:26:31,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:26:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:26:31,915 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:32,059 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-28 03:26:58,313 WARN L192 SmtUtils]: Spent 26.18 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:27:12,385 WARN L192 SmtUtils]: Spent 14.07 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:27:12,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:27:12 BoogieIcfgContainer [2019-11-28 03:27:12,473 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:27:12,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:27:12,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:27:12,475 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:27:12,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:26:30" (3/4) ... [2019-11-28 03:27:12,479 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:27:12,546 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:27:12,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:27:12,549 INFO L168 Benchmark]: Toolchain (without parser) took 44028.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -290.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,552 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:27:12,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,554 INFO L168 Benchmark]: Boogie Preprocessor took 51.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:27:12,555 INFO L168 Benchmark]: RCFGBuilder took 902.28 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,556 INFO L168 Benchmark]: BuchiAutomizer took 42224.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.7 MB). Peak memory consumption was 389.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,557 INFO L168 Benchmark]: Witness Printer took 73.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:27:12,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 693.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -166.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.70 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 902.28 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: 52.3 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42224.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.7 MB). Peak memory consumption was 389.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 41.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 209 SDtfs, 378 SDslu, 50 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 590]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2163} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=2163, NULL=2175, NULL=0, NULL=2165, NULL=0, NULL=2185, NULL=2166, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@300fb620=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=9069, NULL=2168, tmp___0=0, NULL=2173, NULL=2180, cleanupTimeShifts=4, NULL=2181, NULL=2178, NULL=2179, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=2167, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=2164, NULL=0, NULL=0, \result=1, NULL=9068, head=0, pumpRunning=0, \result=0, NULL=2186, NULL=2183, tmp=0, NULL=0, NULL=0, tmp=1, \result=1, NULL=2177, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@276fe4ab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16d3609d=0, NULL=2169, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42d783d0=0, retValue_acc=1, NULL=2172, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@403bf4e1=0, NULL=0, tmp=1, tmp___2=65, retValue_acc=1, NULL=2182, tmp___0=0, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1910fa10=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c7efa47=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ce715ea=65, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a19d64d=0, tmp=0, head=0, NULL=0, NULL=2170, NULL=2171, NULL=0, NULL=2176, NULL=0, NULL=0, NULL=2174, NULL=0, NULL=2184} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L756] int retValue_acc ; [L757] int tmp ; [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 Loop: [L590] COND TRUE 1 [L592] COND TRUE splverifierCounter < 4 [L598] tmp = __VERIFIER_nondet_int() [L600] COND FALSE !(\read(tmp)) [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND FALSE !(\read(tmp___0)) [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) [L432] COND FALSE !(\read(pumpRunning)) [L439] COND TRUE \read(systemActive) [L461] int tmp ; [L464] COND TRUE ! pumpRunning [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L886] int retValue_acc ; [L889] COND TRUE waterLevel < 2 [L890] retValue_acc = 1 [L891] return (retValue_acc); [L564] tmp = isHighWaterSensorDry() [L566] COND TRUE \read(tmp) [L567] tmp___0 = 0 [L571] retValue_acc = tmp___0 [L572] return (retValue_acc); [L466] tmp = isHighWaterLevel() [L468] COND FALSE !(\read(tmp)) [L780] int tmp ; [L781] int tmp___0 ; [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); [L785] tmp = isMethaneLevelCritical() [L787] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...