./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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_product54.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 72d06b83689108b06d89f4f95641f29fdbb51231 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:27:19,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:27:19,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:27:19,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:27:19,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:27:19,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:27:19,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:27:19,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:27:19,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:27:19,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:27:19,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:27:19,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:27:19,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:27:19,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:27:19,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:27:19,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:27:19,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:27:19,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:27:19,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:27:19,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:27:19,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:27:19,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:27:19,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:27:19,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:27:19,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:27:19,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:27:19,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:27:19,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:27:19,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:27:19,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:27:19,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:27:19,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:27:19,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:27:19,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:27:19,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:27:19,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:27:19,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:27:19,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:27:19,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:27:19,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:27:19,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:27:19,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:27:19,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:27:19,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:27:19,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:27:19,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:27:19,452 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:27:19,453 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:27:19,453 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:27:19,453 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:27:19,453 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:27:19,454 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:27:19,459 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:27:19,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:27:19,459 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:27:19,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:27:19,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:27:19,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:27:19,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:27:19,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:27:19,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:27:19,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:27:19,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:27:19,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:27:19,462 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:27:19,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:27:19,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:27:19,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:27:19,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:27:19,467 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:27:19,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:27:19,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:27:19,468 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:27:19,469 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:27:19,469 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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2019-11-19 22:27:19,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:27:19,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:27:19,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:27:19,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:27:19,791 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:27:19,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-11-19 22:27:19,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1922750be/d27ab0325ce14880bbbb951c8f167dd9/FLAG1590aa500 [2019-11-19 22:27:20,370 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:27:20,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-11-19 22:27:20,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1922750be/d27ab0325ce14880bbbb951c8f167dd9/FLAG1590aa500 [2019-11-19 22:27:20,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1922750be/d27ab0325ce14880bbbb951c8f167dd9 [2019-11-19 22:27:20,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:27:20,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:27:20,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:20,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:27:20,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:27:20,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:20" (1/1) ... [2019-11-19 22:27:20,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b26429a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:20, skipping insertion in model container [2019-11-19 22:27:20,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:20" (1/1) ... [2019-11-19 22:27:20,705 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:27:20,769 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:27:21,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:21,261 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:27:21,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:21,393 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:27:21,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21 WrapperNode [2019-11-19 22:27:21,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:21,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:21,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:27:21,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:27:21,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:21,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:27:21,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:27:21,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:27:21,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (1/1) ... [2019-11-19 22:27:21,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:27:21,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:27:21,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:27:21,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:27:21,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (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 [2019-11-19 22:27:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:27:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:27:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:27:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:27:22,827 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:27:22,828 INFO L285 CfgBuilder]: Removed 278 assume(true) statements. [2019-11-19 22:27:22,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:22 BoogieIcfgContainer [2019-11-19 22:27:22,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:27:22,830 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:27:22,830 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:27:22,834 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:27:22,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:22,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:27:20" (1/3) ... [2019-11-19 22:27:22,837 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7bbfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:22, skipping insertion in model container [2019-11-19 22:27:22,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:22,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:21" (2/3) ... [2019-11-19 22:27:22,838 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7bbfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:22, skipping insertion in model container [2019-11-19 22:27:22,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:22,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:22" (3/3) ... [2019-11-19 22:27:22,841 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product54.cil.c [2019-11-19 22:27:22,883 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:27:22,883 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:27:22,883 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:27:22,883 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:27:22,884 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:27:22,884 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:27:22,884 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:27:22,884 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:27:22,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2019-11-19 22:27:22,941 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-11-19 22:27:22,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:22,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:22,951 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:22,951 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:22,951 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:27:22,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2019-11-19 22:27:22,961 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2019-11-19 22:27:22,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:22,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:22,963 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:22,963 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:22,969 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 24#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 33#L483true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 42#L491true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 69#L130true assume 0 != main_~tmp~0; 34#L103true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 82#L504-1true [2019-11-19 22:27:22,970 INFO L796 eck$LassoCheckResult]: Loop: 82#L504-1true assume !false; 165#L156true assume test_~splverifierCounter~0 < 4; 84#L157true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 107#L165true assume !(0 != test_~tmp~1); 131#L165-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 3#L175true assume !(0 != test_~tmp___0~0); 29#L175-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 76#L185true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 90#L193-2true assume !(0 != ~pumpRunning~0); 101#L237true assume !(0 != ~systemActive~0); 175#L244true havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 6#L932-1true __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; 81#L504true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 82#L504-1true [2019-11-19 22:27:22,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:22,977 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:27:22,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:22,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168801685] [2019-11-19 22:27:22,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:23,412 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:23,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:23,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1675526973, now seen corresponding path program 1 times [2019-11-19 22:27:23,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:23,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508606583] [2019-11-19 22:27:23,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:27:23,482 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508606583] [2019-11-19 22:27:23,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:23,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:27:23,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632347809] [2019-11-19 22:27:23,491 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:27:23,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:23,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:27:23,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:27:23,520 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 3 states. [2019-11-19 22:27:23,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:23,655 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2019-11-19 22:27:23,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:27:23,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 275 transitions. [2019-11-19 22:27:23,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2019-11-19 22:27:23,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 179 states and 267 transitions. [2019-11-19 22:27:23,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2019-11-19 22:27:23,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2019-11-19 22:27:23,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 267 transitions. [2019-11-19 22:27:23,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:23,696 INFO L688 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-11-19 22:27:23,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 267 transitions. [2019-11-19 22:27:23,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2019-11-19 22:27:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-19 22:27:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 267 transitions. [2019-11-19 22:27:23,754 INFO L711 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-11-19 22:27:23,754 INFO L591 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2019-11-19 22:27:23,755 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:27:23,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 267 transitions. [2019-11-19 22:27:23,757 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2019-11-19 22:27:23,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:23,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:23,759 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:23,759 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:23,759 INFO L794 eck$LassoCheckResult]: Stem: 526#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 420#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 421#L483 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 435#L491 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 443#L130 assume 0 != main_~tmp~0; 436#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 428#L504-1 [2019-11-19 22:27:23,760 INFO L796 eck$LassoCheckResult]: Loop: 428#L504-1 assume !false; 495#L156 assume test_~splverifierCounter~0 < 4; 498#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 499#L165 assume !(0 != test_~tmp~1); 438#L165-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 381#L175 assume !(0 != test_~tmp___0~0); 382#L175-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 431#L185 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 489#L193-2 assume !(0 != ~pumpRunning~0); 506#L237 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 406#L321 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 407#L295-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 457#L269-3 assume !(0 == ~pumpRunning~0); 424#L244 havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 388#L932-1 __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; 389#L504 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 428#L504-1 [2019-11-19 22:27:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:23,760 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 22:27:23,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:23,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394727891] [2019-11-19 22:27:23,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:23,907 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:23,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:23,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1905346314, now seen corresponding path program 1 times [2019-11-19 22:27:23,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:23,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553351118] [2019-11-19 22:27:23,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:27:23,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553351118] [2019-11-19 22:27:23,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:23,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:27:23,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453560640] [2019-11-19 22:27:23,938 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:27:23,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:23,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:27:23,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:27:23,939 INFO L87 Difference]: Start difference. First operand 179 states and 267 transitions. cyclomatic complexity: 90 Second operand 3 states. [2019-11-19 22:27:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:24,138 INFO L93 Difference]: Finished difference Result 184 states and 255 transitions. [2019-11-19 22:27:24,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:27:24,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 255 transitions. [2019-11-19 22:27:24,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-11-19 22:27:24,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 184 states and 255 transitions. [2019-11-19 22:27:24,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2019-11-19 22:27:24,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2019-11-19 22:27:24,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 255 transitions. [2019-11-19 22:27:24,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:24,154 INFO L688 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-11-19 22:27:24,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 255 transitions. [2019-11-19 22:27:24,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2019-11-19 22:27:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-11-19 22:27:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 255 transitions. [2019-11-19 22:27:24,175 INFO L711 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-11-19 22:27:24,175 INFO L591 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2019-11-19 22:27:24,175 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:27:24,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 255 transitions. [2019-11-19 22:27:24,179 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2019-11-19 22:27:24,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:24,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:24,182 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:24,182 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] [2019-11-19 22:27:24,183 INFO L794 eck$LassoCheckResult]: Stem: 877#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 782#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 783#L483 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 794#L491 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 801#L130 assume 0 != main_~tmp~0; 795#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 788#L504-1 [2019-11-19 22:27:24,183 INFO L796 eck$LassoCheckResult]: Loop: 788#L504-1 assume !false; 852#L156 assume test_~splverifierCounter~0 < 4; 855#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 856#L165 assume !(0 != test_~tmp~1); 797#L165-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 750#L175 assume !(0 != test_~tmp___0~0); 751#L175-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 791#L185 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 846#L193-2 assume !(0 != ~pumpRunning~0); 862#L237 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 769#L321 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 770#L295-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 818#L269-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 825#L972-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 826#L977-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 869#L423-9 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 890#L423-11 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 888#L429-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 845#L273-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 785#L244 havoc __utac_acc__Specification1_spec__1_#t~ret28, __utac_acc__Specification1_spec__1_#t~ret29, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 757#L932-1 __utac_acc__Specification1_spec__1_#t~ret28 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret28;havoc __utac_acc__Specification1_spec__1_#t~ret28; 758#L504 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 788#L504-1 [2019-11-19 22:27:24,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 22:27:24,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:24,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806797724] [2019-11-19 22:27:24,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,273 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:24,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:24,274 INFO L82 PathProgramCache]: Analyzing trace with hash -659266398, now seen corresponding path program 1 times [2019-11-19 22:27:24,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:24,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183807430] [2019-11-19 22:27:24,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,297 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:24,297 INFO L82 PathProgramCache]: Analyzing trace with hash 594038728, now seen corresponding path program 1 times [2019-11-19 22:27:24,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:24,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805098129] [2019-11-19 22:27:24,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:24,391 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:24,537 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-19 22:27:52,393 WARN L191 SmtUtils]: Spent 27.77 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:28:05,992 WARN L191 SmtUtils]: Spent 13.60 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:28:06,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:28:06 BoogieIcfgContainer [2019-11-19 22:28:06,078 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:28:06,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:28:06,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:28:06,079 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:28:06,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:22" (3/4) ... [2019-11-19 22:28:06,083 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:28:06,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:28:06,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:28:06,157 INFO L168 Benchmark]: Toolchain (without parser) took 45470.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 317.2 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -290.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:06,158 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:28:06,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:06,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.48 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. [2019-11-19 22:28:06,160 INFO L168 Benchmark]: Boogie Preprocessor took 62.80 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. [2019-11-19 22:28:06,161 INFO L168 Benchmark]: RCFGBuilder took 1276.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:06,162 INFO L168 Benchmark]: BuchiAutomizer took 43248.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 379.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:28:06,163 INFO L168 Benchmark]: Witness Printer took 76.00 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-19 22:28:06,167 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.48 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 62.80 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 1276.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.8 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43248.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 379.8 MB. Max. memory is 11.5 GB. * Witness Printer took 76.00 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: 24 B). Peak memory consumption was 24 B. 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 184 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.5s. Construction of modules took 0.2s. 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 184 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 475 SDtfs, 404 SDslu, 75 SDs, 0 SdLazy, 45 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 155]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1716} State at position 1 is {NULL=0, NULL=0, NULL=1735, retValue_acc=0, NULL=1716, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a2ec0d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d46020a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f96eb1=64, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79e40688=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@585c4a7a=0, NULL=1723, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, tmp=0, NULL=1736, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a21b3f6=0, tmp___1=0, NULL=1719, cleanupTimeShifts=4, tmp=0, tmp___0=0, tmp=0, retValue_acc=0, NULL=1729, NULL=1718, NULL=1728, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=1732, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@539f1461=0, NULL=0, NULL=1738, \result=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=1741, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65d5eca=0, \result=1, NULL=1720, head=0, pumpRunning=0, tmp=1, NULL=1725, NULL=1727, \result=0, NULL=1737, NULL=1721, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ef3a04c=0, NULL=1733, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b0d40e2=0, NULL=0, NULL=0, \result=1, NULL=1730, retValue_acc=1, NULL=1739, NULL=1722, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465b9cee=0, NULL=0, retValue_acc=1, tmp___2=64, tmp=1, splverifierCounter=0, NULL=0, \result=0, NULL=1724, NULL=1740, head=0, tmp=0, NULL=1731, NULL=0, NULL=0, NULL=1717, NULL=0, NULL=1726, NULL=0, NULL=1734} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 Loop: [L155] COND TRUE 1 [L157] COND TRUE splverifierCounter < 4 [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) [L456] systemActive = 1 [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L318] int tmp ; [L321] COND FALSE !(\read(pumpRunning)) [L292] int tmp ; [L295] COND FALSE !(\read(pumpRunning)) [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L969] int retValue_acc ; [L972] COND TRUE waterLevel < 2 [L973] retValue_acc = 1 [L974] return (retValue_acc); [L421] tmp = isHighWaterSensorDry() [L423] COND TRUE \read(tmp) [L424] tmp___0 = 0 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L497] int tmp ; [L498] int tmp___0 ; [L928] int retValue_acc ; [L931] retValue_acc = methaneLevelCritical [L932] return (retValue_acc); [L502] tmp = isMethaneLevelCritical() [L504] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...