./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product56.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_spec2_product56.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 730b837dafcd2995b5acc94906fc5437a0c170a6 .................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:31:17,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:31:17,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:31:17,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:31:17,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:31:17,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:31:17,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:31:17,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:31:17,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:31:17,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:31:17,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:31:17,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:31:17,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:31:17,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:31:17,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:31:17,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:31:17,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:31:17,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:31:17,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:31:17,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:31:17,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:31:17,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:31:17,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:31:17,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:31:17,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:31:17,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:31:17,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:31:17,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:31:17,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:31:17,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:31:17,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:31:17,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:31:17,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:31:17,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:31:17,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:31:17,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:31:17,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:31:17,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:31:17,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:31:17,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:31:17,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:31:17,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:31:17,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:31:17,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:31:17,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:31:17,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:31:17,329 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:31:17,329 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:31:17,329 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:31:17,329 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:31:17,329 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:31:17,333 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:31:17,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:31:17,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:31:17,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:31:17,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:31:17,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:31:17,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:31:17,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:31:17,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:31:17,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:31:17,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:31:17,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:31:17,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:31:17,336 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:31:17,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:31:17,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:31:17,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:31:17,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:31:17,338 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:31:17,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:31:17,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:31:17,340 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:31:17,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:31:17,341 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 -> 730b837dafcd2995b5acc94906fc5437a0c170a6 [2019-11-28 03:31:17,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:31:17,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:31:17,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:31:17,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:31:17,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:31:17,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-11-28 03:31:17,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97211e2e/22ca4c75cfba482b8cb7e19d5f521734/FLAG70b0dd39c [2019-11-28 03:31:18,338 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:31:18,338 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2019-11-28 03:31:18,356 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97211e2e/22ca4c75cfba482b8cb7e19d5f521734/FLAG70b0dd39c [2019-11-28 03:31:18,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97211e2e/22ca4c75cfba482b8cb7e19d5f521734 [2019-11-28 03:31:18,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:31:18,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:31:18,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:18,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:31:18,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:31:18,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:18" (1/1) ... [2019-11-28 03:31:18,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd1f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:18, skipping insertion in model container [2019-11-28 03:31:18,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:18" (1/1) ... [2019-11-28 03:31:18,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:31:18,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:31:19,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:19,232 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:31:19,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:19,356 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:31:19,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19 WrapperNode [2019-11-28 03:31:19,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:19,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:19,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:31:19,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:31:19,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:19,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:31:19,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:31:19,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:31:19,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (1/1) ... [2019-11-28 03:31:19,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:31:19,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:31:19,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:31:19,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:31:19,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (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 03:31:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:31:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:31:19,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:31:19,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:31:20,712 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:31:20,713 INFO L297 CfgBuilder]: Removed 284 assume(true) statements. [2019-11-28 03:31:20,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:20 BoogieIcfgContainer [2019-11-28 03:31:20,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:31:20,716 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:31:20,717 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:31:20,721 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:31:20,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:20,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:31:18" (1/3) ... [2019-11-28 03:31:20,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e1fb1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:20, skipping insertion in model container [2019-11-28 03:31:20,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:20,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:19" (2/3) ... [2019-11-28 03:31:20,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e1fb1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:20, skipping insertion in model container [2019-11-28 03:31:20,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:20,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:20" (3/3) ... [2019-11-28 03:31:20,728 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2019-11-28 03:31:20,779 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:31:20,780 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:31:20,780 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:31:20,780 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:31:20,781 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:31:20,781 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:31:20,781 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:31:20,782 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:31:20,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2019-11-28 03:31:20,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2019-11-28 03:31:20,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:20,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:20,881 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:20,881 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:20,882 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:31:20,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2019-11-28 03:31:20,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2019-11-28 03:31:20,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:20,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:20,904 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:20,905 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:20,920 INFO L794 eck$LassoCheckResult]: Stem: 130#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~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 191#L913true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 3#L921true main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 12#L1009true assume 0 != main_~tmp~10; 148#L985true ~methAndRunningLastTime~0 := 0; 5#L533true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 6#L544-1true [2019-11-28 03:31:20,921 INFO L796 eck$LassoCheckResult]: Loop: 6#L544-1true assume !false; 9#L830true assume test_~splverifierCounter~0 < 4; 171#L831true test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 174#L839true assume !(0 != test_~tmp~9); 175#L839-1true test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 30#L849true assume !(0 != test_~tmp___0~3); 33#L849-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 103#L859true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 114#L867-1true assume !(0 != ~pumpRunning~0); 40#L579true assume !(0 != ~systemActive~0); 170#L586true havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 51#L466-1true __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 4#L544true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 6#L544-1true [2019-11-28 03:31:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:20,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:31:20,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:20,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815857284] [2019-11-28 03:31:20,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:21,350 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:21,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:21,351 INFO L82 PathProgramCache]: Analyzing trace with hash 17344788, now seen corresponding path program 1 times [2019-11-28 03:31:21,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:21,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206009623] [2019-11-28 03:31:21,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:31:21,406 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 03:31:21,407 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206009623] [2019-11-28 03:31:21,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:31:21,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:31:21,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539468880] [2019-11-28 03:31:21,415 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:31:21,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:31:21,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:31:21,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:31:21,435 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2019-11-28 03:31:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:31:21,520 INFO L93 Difference]: Finished difference Result 377 states and 565 transitions. [2019-11-28 03:31:21,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:31:21,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 565 transitions. [2019-11-28 03:31:21,530 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 246 [2019-11-28 03:31:21,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 363 states and 550 transitions. [2019-11-28 03:31:21,542 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 363 [2019-11-28 03:31:21,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 363 [2019-11-28 03:31:21,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 363 states and 550 transitions. [2019-11-28 03:31:21,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:31:21,548 INFO L688 BuchiCegarLoop]: Abstraction has 363 states and 550 transitions. [2019-11-28 03:31:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states and 550 transitions. [2019-11-28 03:31:21,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2019-11-28 03:31:21,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2019-11-28 03:31:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 547 transitions. [2019-11-28 03:31:21,617 INFO L711 BuchiCegarLoop]: Abstraction has 361 states and 547 transitions. [2019-11-28 03:31:21,617 INFO L591 BuchiCegarLoop]: Abstraction has 361 states and 547 transitions. [2019-11-28 03:31:21,617 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:31:21,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 547 transitions. [2019-11-28 03:31:21,621 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244 [2019-11-28 03:31:21,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:21,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:21,622 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:21,623 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:21,623 INFO L794 eck$LassoCheckResult]: Stem: 752#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~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 588#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 589#L913 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 578#L921 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 579#L1009 assume 0 != main_~tmp~10; 596#L985 ~methAndRunningLastTime~0 := 0; 583#L533 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 584#L544-1 [2019-11-28 03:31:21,623 INFO L796 eck$LassoCheckResult]: Loop: 584#L544-1 assume !false; 797#L830 assume test_~splverifierCounter~0 < 4; 778#L831 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 779#L839 assume !(0 != test_~tmp~9); 782#L839-1 test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 626#L849 assume !(0 != test_~tmp___0~3); 598#L849-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 631#L859 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 729#L867-1 assume !(0 != ~pumpRunning~0); 641#L579 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 642#L663 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 623#L637-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 624#L611-3 assume !(0 == ~pumpRunning~0); 600#L586 havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 803#L466-1 __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 799#L544 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 584#L544-1 [2019-11-28 03:31:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:21,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:31:21,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:21,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244620022] [2019-11-28 03:31:21,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:21,808 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:21,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:21,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1068871812, now seen corresponding path program 1 times [2019-11-28 03:31:21,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:21,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704507021] [2019-11-28 03:31:21,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:31:21,840 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 03:31:21,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704507021] [2019-11-28 03:31:21,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:31:21,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:31:21,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939085175] [2019-11-28 03:31:21,843 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:31:21,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:31:21,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:31:21,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:31:21,844 INFO L87 Difference]: Start difference. First operand 361 states and 547 transitions. cyclomatic complexity: 189 Second operand 3 states. [2019-11-28 03:31:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:31:22,000 INFO L93 Difference]: Finished difference Result 378 states and 539 transitions. [2019-11-28 03:31:22,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:31:22,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 378 states and 539 transitions. [2019-11-28 03:31:22,005 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 263 [2019-11-28 03:31:22,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 378 states to 378 states and 539 transitions. [2019-11-28 03:31:22,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 378 [2019-11-28 03:31:22,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 378 [2019-11-28 03:31:22,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 378 states and 539 transitions. [2019-11-28 03:31:22,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:31:22,014 INFO L688 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions. [2019-11-28 03:31:22,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states and 539 transitions. [2019-11-28 03:31:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2019-11-28 03:31:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2019-11-28 03:31:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 539 transitions. [2019-11-28 03:31:22,032 INFO L711 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions. [2019-11-28 03:31:22,033 INFO L591 BuchiCegarLoop]: Abstraction has 378 states and 539 transitions. [2019-11-28 03:31:22,033 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:31:22,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 378 states and 539 transitions. [2019-11-28 03:31:22,036 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 263 [2019-11-28 03:31:22,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:22,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:31:22,037 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:31:22,038 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, 1, 1] [2019-11-28 03:31:22,038 INFO L794 eck$LassoCheckResult]: Stem: 1463#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~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1333#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 1334#L913 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1323#L921 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 1324#L1009 assume 0 != main_~tmp~10; 1341#L985 ~methAndRunningLastTime~0 := 0; 1328#L533 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1329#L544-1 [2019-11-28 03:31:22,038 INFO L796 eck$LassoCheckResult]: Loop: 1329#L544-1 assume !false; 1330#L830 assume test_~splverifierCounter~0 < 4; 1335#L831 test_~tmp~9 := test_#t~nondet69;havoc test_#t~nondet69; 1486#L839 assume !(0 != test_~tmp~9); 1408#L839-1 test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 1370#L849 assume !(0 != test_~tmp___0~3); 1343#L849-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 1375#L859 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1444#L867-1 assume !(0 != ~pumpRunning~0); 1382#L579 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 1383#L663 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret48, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 1368#L637-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret47, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1369#L611-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~5;havoc isHighWaterSensorDry_~retValue_acc~5; 1458#L506-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~5; 1478#L511-3 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 1435#L765-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 1436#L765-11 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1429#L771-3 processEnvironment__wrappee__highWaterSensor_#t~ret47 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret47;havoc processEnvironment__wrappee__highWaterSensor_#t~ret47; 1344#L615-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 1346#L586 havoc __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 1506#L466-1 __utac_acc__Specification2_spec__2_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret45;havoc __utac_acc__Specification2_spec__2_#t~ret45; 1507#L544 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 1329#L544-1 [2019-11-28 03:31:22,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:22,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-28 03:31:22,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:22,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040316547] [2019-11-28 03:31:22,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,148 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:22,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:22,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1737135944, now seen corresponding path program 1 times [2019-11-28 03:31:22,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:22,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502006135] [2019-11-28 03:31:22,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,172 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:31:22,173 INFO L82 PathProgramCache]: Analyzing trace with hash 869951502, now seen corresponding path program 1 times [2019-11-28 03:31:22,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:31:22,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517158950] [2019-11-28 03:31:22,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:31:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:31:22,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:31:22,445 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-28 03:31:45,813 WARN L192 SmtUtils]: Spent 23.28 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:32:00,310 WARN L192 SmtUtils]: Spent 14.48 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:32:00,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:32:00 BoogieIcfgContainer [2019-11-28 03:32:00,378 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:32:00,379 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:32:00,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:32:00,379 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:32:00,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:20" (3/4) ... [2019-11-28 03:32:00,383 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:32:00,445 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:32:00,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:32:00,448 INFO L168 Benchmark]: Toolchain (without parser) took 41819.88 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 963.1 MB in the beginning and 1.2 GB in the end (delta: -271.1 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,448 INFO L168 Benchmark]: CDTParser took 0.26 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 03:32:00,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:32:00,450 INFO L168 Benchmark]: Boogie Preprocessor took 66.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,451 INFO L168 Benchmark]: RCFGBuilder took 1204.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,452 INFO L168 Benchmark]: BuchiAutomizer took 39662.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 996.7 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 381.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,453 INFO L168 Benchmark]: Witness Printer took 66.73 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:00,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 728.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1204.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39662.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 996.7 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 381.4 MB. Max. memory is 11.5 GB. * Witness Printer took 66.73 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: 9.5 MB). Peak memory consumption was 9.5 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 3 locations. The remainder module has 378 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 39.0s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 378 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 492 SDtfs, 426 SDslu, 356 SDs, 0 SdLazy, 53 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 829]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9033} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=9033, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a6c43da=0, NULL=0, NULL=15780, NULL=0, retValue_acc=1, NULL=15777, NULL=15788, methaneLevelCritical=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33e6082f=0, NULL=0, retValue_acc=0, tmp___1=0, tmp=0, NULL=9040, tmp=0, NULL=9039, NULL=9037, NULL=9035, NULL=15787, tmp=0, cleanupTimeShifts=4, NULL=15782, NULL=15789, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e6a8fce=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c6df0bf=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=15781, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@446e5994=0, retValue_acc=0, \result=0, NULL=15784, NULL=0, NULL=0, NULL=15779, NULL=0, NULL=0, \result=1, retValue_acc=0, NULL=9036, head=0, pumpRunning=0, \result=0, NULL=15785, retValue_acc=1, NULL=15774, NULL=0, NULL=0, NULL=9034, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62ba594e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8e52c6e=0, NULL=0, \result=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70cd6c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2768cee9=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a87132f=0, NULL=9038, tmp=1, tmp___0=0, tmp___2=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d801df=0, NULL=15776, splverifierCounter=0, methAndRunningLastTime=0, \result=0, head=0, NULL=0, NULL=15772, tmp=0, NULL=15773, NULL=0, NULL=15778, NULL=0, NULL=0, NULL=15786, NULL=15775, NULL=15783, tmp=0} - 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; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L527] int methAndRunningLastTime ; [L572] int pumpRunning = 0; [L573] int systemActive = 1; [L926] int cleanupTimeShifts = 4; [L1000] int retValue_acc ; [L1001] int tmp ; [L917] int retValue_acc ; [L920] retValue_acc = 1 [L921] return (retValue_acc); [L1007] tmp = valid_product() [L1009] COND TRUE \read(tmp) [L532] methAndRunningLastTime = 0 [L820] int splverifierCounter ; [L821] int tmp ; [L822] int tmp___0 ; [L823] int tmp___1 ; [L824] int tmp___2 ; [L827] splverifierCounter = 0 Loop: [L829] COND TRUE 1 [L831] COND TRUE splverifierCounter < 4 [L837] tmp = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp)) [L847] tmp___0 = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp___0)) [L857] tmp___2 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___2) [L813] systemActive = 1 [L579] COND FALSE !(\read(pumpRunning)) [L586] COND TRUE \read(systemActive) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L634] int tmp ; [L637] COND FALSE !(\read(pumpRunning)) [L608] int tmp ; [L611] COND TRUE ! pumpRunning [L757] int retValue_acc ; [L758] int tmp ; [L759] int tmp___0 ; [L503] int retValue_acc ; [L506] COND TRUE waterLevel < 2 [L507] retValue_acc = 1 [L508] return (retValue_acc); [L763] tmp = isHighWaterSensorDry() [L765] COND TRUE \read(tmp) [L766] tmp___0 = 0 [L770] retValue_acc = tmp___0 [L771] return (retValue_acc); [L613] tmp = isHighWaterLevel() [L615] COND FALSE !(\read(tmp)) [L537] int tmp ; [L538] int tmp___0 ; [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L542] tmp = isMethaneLevelCritical() [L544] COND FALSE !(\read(tmp)) [L560] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...