./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer --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 ce9b192c4304b665f71871b8c27751c04bbbec40 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-1dbac8b [2018-11-10 03:11:36,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:11:36,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:11:36,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:11:36,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:11:36,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:11:36,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:11:36,339 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:11:36,340 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:11:36,341 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:11:36,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:11:36,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:11:36,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:11:36,343 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:11:36,344 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:11:36,345 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:11:36,346 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:11:36,347 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:11:36,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:11:36,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:11:36,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:11:36,352 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:11:36,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:11:36,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:11:36,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:11:36,354 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:11:36,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:11:36,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:11:36,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:11:36,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:11:36,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:11:36,358 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:11:36,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:11:36,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:11:36,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:11:36,360 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:11:36,360 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 03:11:36,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:11:36,373 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:11:36,374 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:11:36,374 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:11:36,374 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:11:36,374 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 03:11:36,374 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 03:11:36,375 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 03:11:36,375 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 03:11:36,375 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 03:11:36,375 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 03:11:36,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:11:36,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 03:11:36,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 03:11:36,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:11:36,377 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:11:36,377 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 03:11:36,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 03:11:36,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:11:36,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:11:36,378 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 03:11:36,378 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:11:36,378 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:11:36,378 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 03:11:36,379 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 03:11:36,379 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer 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 -> ce9b192c4304b665f71871b8c27751c04bbbec40 [2018-11-10 03:11:36,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:11:36,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:11:36,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:11:36,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:11:36,422 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:11:36,423 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-11-10 03:11:36,466 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/data/6cdc21d67/6da649537c5748ba891a9b07106d0736/FLAG53892a950 [2018-11-10 03:11:36,848 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:11:36,848 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/sv-benchmarks/c/product-lines/minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-11-10 03:11:36,860 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/data/6cdc21d67/6da649537c5748ba891a9b07106d0736/FLAG53892a950 [2018-11-10 03:11:36,872 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/data/6cdc21d67/6da649537c5748ba891a9b07106d0736 [2018-11-10 03:11:36,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:11:36,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:11:36,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:11:36,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:11:36,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:11:36,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:11:36" (1/1) ... [2018-11-10 03:11:36,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bcb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:36, skipping insertion in model container [2018-11-10 03:11:36,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:11:36" (1/1) ... [2018-11-10 03:11:36,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:11:36,931 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:11:37,133 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:11:37,143 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:11:37,197 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:11:37,215 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:11:37,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37 WrapperNode [2018-11-10 03:11:37,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:11:37,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:11:37,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:11:37,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:11:37,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:11:37,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:11:37,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:11:37,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:11:37,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... [2018-11-10 03:11:37,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:11:37,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:11:37,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:11:37,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:11:37,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/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 [2018-11-10 03:11:37,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:11:37,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:11:38,160 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:11:38,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:11:38 BoogieIcfgContainer [2018-11-10 03:11:38,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:11:38,161 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 03:11:38,162 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 03:11:38,165 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 03:11:38,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:11:38,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 03:11:36" (1/3) ... [2018-11-10 03:11:38,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f49aff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:11:38, skipping insertion in model container [2018-11-10 03:11:38,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:11:38,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:11:37" (2/3) ... [2018-11-10 03:11:38,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f49aff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:11:38, skipping insertion in model container [2018-11-10 03:11:38,168 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:11:38,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:11:38" (3/3) ... [2018-11-10 03:11:38,169 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23_true-unreach-call_false-termination.cil.c [2018-11-10 03:11:38,205 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:11:38,205 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 03:11:38,205 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 03:11:38,205 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 03:11:38,206 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:11:38,206 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:11:38,206 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 03:11:38,206 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:11:38,206 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 03:11:38,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states. [2018-11-10 03:11:38,246 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-10 03:11:38,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:11:38,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:11:38,252 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:11:38,252 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:11:38,253 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 03:11:38,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states. [2018-11-10 03:11:38,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-10 03:11:38,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:11:38,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:11:38,260 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:11:38,260 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:11:38,265 INFO L793 eck$LassoCheckResult]: Stem: 113#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 0 := 44];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 1 := 77];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 2 := 101];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 3 := 116];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 4 := 104];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 5 := 58];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string40.base, #t~string40.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 0 := 67];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 1 := 82];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 2 := 73];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 3 := 84];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string42.base, #t~string42.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 0 := 79];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 1 := 75];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string44.base, #t~string44.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 0 := 41];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 0 := 79];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 1 := 110];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 0 := 79];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 1 := 102];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 2 := 102];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 0 := 44];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 1 := 80];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 2 := 117];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 3 := 109];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 4 := 112];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 5 := 58];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 0 := 79];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 1 := 110];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string63.base, #t~string63.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 0 := 79];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 1 := 102];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 2 := 102];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 0 := 41];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 1 := 32];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 0 := 10];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 1 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 11#L822true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 101#L815true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 17#L830true main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 91#L917true assume main_~tmp~8 != 0;assume { :begin_inline_setup } true; 128#L894true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 90#L515-3true [2018-11-10 03:11:38,265 INFO L795 eck$LassoCheckResult]: Loop: 90#L515-3true assume true; 89#L515-1true assume !false; 23#L516true assume test_~splverifierCounter~0 < 4; 135#L517true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 141#L525true assume !(test_~tmp~3 != 0); 143#L525-2true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 50#L535true assume !(test_~tmp___0~0 != 0); 56#L535-2true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 106#L545true assume test_~tmp___2~0 != 0; 88#L551-2true assume { :begin_inline_timeShift } true; 84#L584true assume !(~pumpRunning~0 != 0); 86#L584-2true assume !(~systemActive~0 != 0); 138#L591-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;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; 149#L456-1true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 108#L779true assume !(__utac_acc__Specification1_spec__1_~tmp~7 != 0); 110#L779-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 43#L601true assume { :end_inline_timeShift } true; 90#L515-3true [2018-11-10 03:11:38,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:38,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 03:11:38,273 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:38,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:38,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:11:38,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:38,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:38,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1758865613, now seen corresponding path program 1 times [2018-11-10 03:11:38,463 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:38,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:38,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:11:38,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:38,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:38,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1604420079, now seen corresponding path program 1 times [2018-11-10 03:11:38,475 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:38,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:38,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:11:38,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:11:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:11:38,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:11:38,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:11:38,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:11:38,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:11:38,707 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 6 states. [2018-11-10 03:11:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:11:38,950 INFO L93 Difference]: Finished difference Result 365 states and 467 transitions. [2018-11-10 03:11:38,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:11:38,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 365 states and 467 transitions. [2018-11-10 03:11:38,957 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 237 [2018-11-10 03:11:38,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 365 states to 335 states and 437 transitions. [2018-11-10 03:11:38,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2018-11-10 03:11:38,965 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2018-11-10 03:11:38,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 335 states and 437 transitions. [2018-11-10 03:11:38,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 03:11:38,968 INFO L705 BuchiCegarLoop]: Abstraction has 335 states and 437 transitions. [2018-11-10 03:11:38,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states and 437 transitions. [2018-11-10 03:11:39,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 197. [2018-11-10 03:11:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-10 03:11:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 257 transitions. [2018-11-10 03:11:39,004 INFO L728 BuchiCegarLoop]: Abstraction has 197 states and 257 transitions. [2018-11-10 03:11:39,004 INFO L608 BuchiCegarLoop]: Abstraction has 197 states and 257 transitions. [2018-11-10 03:11:39,004 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 03:11:39,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states and 257 transitions. [2018-11-10 03:11:39,007 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2018-11-10 03:11:39,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:11:39,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:11:39,008 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:11:39,008 INFO L867 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] [2018-11-10 03:11:39,009 INFO L793 eck$LassoCheckResult]: Stem: 669#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 21;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string28.base, #t~string28.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 30;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 9;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 25;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string38.base, #t~string38.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 0 := 44];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 1 := 77];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 2 := 101];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 3 := 116];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 4 := 104];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 5 := 58];#memory_int := #memory_int[#t~string38.base,#t~string38.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 5;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string40.base, #t~string40.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 0 := 67];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 1 := 82];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 2 := 73];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 3 := 84];#memory_int := #memory_int[#t~string40.base,#t~string40.offset + 4 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string42.base, #t~string42.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 0 := 79];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 1 := 75];#memory_int := #memory_int[#t~string42.base,#t~string42.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string44.base, #t~string44.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 0 := 41];#memory_int := #memory_int[#t~string44.base,#t~string44.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string55.base, #t~string55.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 0 := 79];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 1 := 110];#memory_int := #memory_int[#t~string55.base,#t~string55.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string57.base, #t~string57.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 0 := 79];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 1 := 102];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 2 := 102];#memory_int := #memory_int[#t~string57.base,#t~string57.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 0 := 44];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 1 := 80];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 2 := 117];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 3 := 109];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 4 := 112];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 5 := 58];#memory_int := #memory_int[#t~string59.base,#t~string59.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 0 := 79];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 1 := 110];#memory_int := #memory_int[#t~string61.base,#t~string61.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string63.base, #t~string63.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 0 := 79];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 1 := 102];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 2 := 102];#memory_int := #memory_int[#t~string63.base,#t~string63.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string65.base, #t~string65.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 0 := 41];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 1 := 32];#memory_int := #memory_int[#t~string65.base,#t~string65.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 0 := 10];#memory_int := #memory_int[#t~string67.base,#t~string67.offset + 1 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 555#L822 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 556#L815 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 566#L830 main_#t~ret72 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 567#L917 assume main_~tmp~8 != 0;assume { :begin_inline_setup } true; 658#L894 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 603#L515-3 [2018-11-10 03:11:39,009 INFO L795 eck$LassoCheckResult]: Loop: 603#L515-3 assume true; 657#L515-1 assume !false; 577#L516 assume test_~splverifierCounter~0 < 4; 578#L517 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 678#L525 assume !(test_~tmp~3 != 0); 548#L525-2 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 613#L535 assume !(test_~tmp___0~0 != 0); 615#L535-2 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 619#L545 assume test_~tmp___2~0 != 0; 656#L551-2 assume { :begin_inline_timeShift } true; 654#L584 assume !(~pumpRunning~0 != 0); 648#L584-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 641#L642 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret49, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 642#L616-2 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 670#L608-3 assume { :end_inline_processEnvironment__wrappee__base } true; 554#L616-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 544#L642-1 assume { :end_inline_processEnvironment } true; 649#L591-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;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; 679#L456-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 667#L779 assume !(__utac_acc__Specification1_spec__1_~tmp~7 != 0); 601#L779-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 602#L601 assume { :end_inline_timeShift } true; 603#L515-3 [2018-11-10 03:11:39,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:39,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 03:11:39,010 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:39,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:39,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:11:39,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:39,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:39,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1845369733, now seen corresponding path program 1 times [2018-11-10 03:11:39,067 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:39,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:39,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,071 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:11:39,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:39,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:11:39,081 INFO L82 PathProgramCache]: Analyzing trace with hash -728527041, now seen corresponding path program 1 times [2018-11-10 03:11:39,081 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:11:39,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:11:39,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:11:39,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:11:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:11:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:12:24,114 WARN L179 SmtUtils]: Spent 44.91 s on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 03:12:46,134 WARN L179 SmtUtils]: Spent 22.02 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 03:12:46,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:12:46,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:12:46,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 03:12:46 BoogieIcfgContainer [2018-11-10 03:12:46,204 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 03:12:46,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:12:46,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:12:46,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:12:46,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:11:38" (3/4) ... [2018-11-10 03:12:46,208 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 03:12:46,248 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ed05eb1-88ee-4237-8d54-0c9cf148e065/bin-2019/uautomizer/witness.graphml [2018-11-10 03:12:46,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:12:46,249 INFO L168 Benchmark]: Toolchain (without parser) took 69373.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 269.5 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -250.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,250 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:12:46,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -235.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,251 INFO L168 Benchmark]: Boogie Preprocessor took 40.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,251 INFO L168 Benchmark]: RCFGBuilder took 800.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,251 INFO L168 Benchmark]: BuchiAutomizer took 68043.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -143.1 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:12:46,252 INFO L168 Benchmark]: Witness Printer took 43.91 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:12:46,255 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 935.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 935.0 MB in the beginning and 1.2 GB in the end (delta: -235.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 800.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68043.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -143.1 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. * Witness Printer took 43.91 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 197 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 67.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 138 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 197 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 201 SDtfs, 737 SDslu, 874 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 515]: Nontermination argument in form of an infinite program execution. [2018-11-10 03:12:46,260 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:12:46,261 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:12:46,264 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:12:46,265 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "On"=35, "Off"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1479b27d=0, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53b8e7c5=168, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3474637f=0, "On"=0, "Off"=38, ",Meth:"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64f58236=0, "OK"=0, methaneLevelCritical=0, NULL=2, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6eed544f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8400745=0, tmp=0, ") "=0, tmp=0, "\n"=0, tmp___1=0, "__utac__get_this_argtype"=16, "__utac__get_this_arg"=19, tmp___0=0, "__utac__get_this_arg"=23, "libacc.c"=17, "Env(Water:%i"=28, cleanupTimeShifts=4, "libacc.c"=12, "OK"=31, "Pump(System:"=34, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, retValue_acc=0, ")"=33, tmp___0=0, "On"=0, "Off"=0, retValue_acc=0, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=11, head=0, pumpRunning=0, "Off"=27, \result=0, "i > 0 && i <= this->argsCount"=22, tmp=0, "libacc.c"=0, "Env(Water:%i"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ec385bc=0, "i > 0 && i <= this->argsCount"=0, "\n"=42, "On"=37, NULL=0, "libacc.c"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c1afb7e=0, tmp___2=168, "i > 0 && i <= this->argsCount"=15, splverifierCounter=0, ",Pump:"=0, \result=0, ",Pump:"=36, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a61446f=0, "libacc.c"=0, tmp=0, "libacc.c"=24, "i > 0 && i <= this->argsCount"=18, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, "CRIT"=26, NULL=42, ") "=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 515]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] CALL "i > 0 && i <= this->argsCount" [L337] RET "i > 0 && i <= this->argsCount" [L337] CALL "libacc.c" [L337] RET "libacc.c" [L338] CALL "__utac__get_this_arg" [L338] RET "__utac__get_this_arg" [L344] CALL "i > 0 && i <= this->argsCount" [L344] RET "i > 0 && i <= this->argsCount" [L344] CALL "libacc.c" [L344] RET "libacc.c" [L345] CALL "__utac__get_this_arg" [L345] RET "__utac__get_this_arg" [L383] CALL "i > 0 && i <= this->argsCount" [L383] RET "i > 0 && i <= this->argsCount" [L383] CALL "libacc.c" [L383] RET "libacc.c" [L384] CALL "__utac__get_this_argtype" [L384] RET "__utac__get_this_argtype" [L390] CALL "i > 0 && i <= this->argsCount" [L390] RET "i > 0 && i <= this->argsCount" [L390] CALL "libacc.c" [L390] RET "libacc.c" [L391] CALL "__utac__get_this_argtype" [L391] RET "__utac__get_this_argtype" [L465] CALL "Env(Water:%i" [L465] RET "Env(Water:%i" [L466] CALL ",Meth:" [L466] RET ",Meth:" [L470] CALL "CRIT" [L470] RET "CRIT" [L474] CALL "OK" [L474] RET "OK" [L478] CALL ")" [L478] RET ")" [L704] CALL "Pump(System:" [L704] RET "Pump(System:" [L708] CALL "On" [L708] RET "On" [L712] CALL "Off" [L712] RET "Off" [L716] CALL ",Pump:" [L716] RET ",Pump:" [L720] CALL "On" [L720] RET "On" [L724] CALL "Off" [L724] RET "Off" [L728] CALL ") " [L728] RET ") " [L730] CALL "\n" [L730] RET "\n" [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L576] int pumpRunning = 0; [L577] int systemActive = 1; [L835] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L908] int retValue_acc ; [L909] int tmp ; [L913] FCALL select_helpers() [L914] FCALL select_features() [L915] CALL, EXPR valid_product() [L826] int retValue_acc ; [L829] retValue_acc = 1 [L830] RET return (retValue_acc); [L915] EXPR valid_product() [L915] tmp = valid_product() [L917] COND TRUE \read(tmp) [L919] FCALL setup() [L920] CALL runTest() [L902] CALL test() [L506] int splverifierCounter ; [L507] int tmp ; [L508] int tmp___0 ; [L509] int tmp___1 ; [L510] int tmp___2 ; [L513] splverifierCounter = 0 Loop: [L515] COND TRUE 1 [L517] COND TRUE splverifierCounter < 4 [L523] tmp = __VERIFIER_nondet_int() [L525] COND FALSE !(\read(tmp)) [L533] tmp___0 = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp___0)) [L543] tmp___2 = __VERIFIER_nondet_int() [L545] COND TRUE \read(tmp___2) [L560] CALL timeShift() [L584] COND FALSE !(\read(pumpRunning)) [L591] COND TRUE \read(systemActive) [L593] CALL processEnvironment() [L639] int tmp ; [L642] COND FALSE !(\read(pumpRunning)) [L657] CALL processEnvironment__wrappee__lowWaterSensor() [L613] int tmp ; [L616] COND FALSE !(\read(pumpRunning)) [L631] RET, FCALL processEnvironment__wrappee__base() [L657] RET processEnvironment__wrappee__lowWaterSensor() [L593] processEnvironment() [L599] CALL __utac_acc__Specification1_spec__1() [L772] int tmp ; [L773] int tmp___0 ; [L777] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] RET return (retValue_acc); [L777] EXPR isMethaneLevelCritical() [L777] tmp = isMethaneLevelCritical() [L779] COND FALSE, RET !(\read(tmp)) [L599] RET __utac_acc__Specification1_spec__1() [L560] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...