./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_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_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:43:14,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:43:14,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:43:14,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:43:14,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:43:14,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:43:14,018 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:43:14,019 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:43:14,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:43:14,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:43:14,021 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:43:14,022 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:43:14,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:43:14,023 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:43:14,024 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:43:14,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:43:14,025 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:43:14,026 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:43:14,027 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:43:14,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:43:14,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:43:14,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:43:14,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:43:14,032 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:43:14,032 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:43:14,033 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:43:14,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:43:14,034 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:43:14,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:43:14,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:43:14,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:43:14,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:43:14,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:43:14,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:43:14,037 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:43:14,037 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:43:14,037 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 08:43:14,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:43:14,045 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:43:14,046 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:43:14,046 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:43:14,046 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 08:43:14,046 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 08:43:14,047 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:43:14,047 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 08:43:14,048 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 08:43:14,049 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 08:43:14,049 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:43:14,049 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 08:43:14,050 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 08:43:14,050 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 08:43:14,050 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_d399f097-7457-4d23-8d10-90c7c779e8a3/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-11-10 08:43:14,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:43:14,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:43:14,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:43:14,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:43:14,082 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:43:14,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-10 08:43:14,121 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/data/4194f6cd6/871615c71829454cbdd7b16101fd501e/FLAG4cf329436 [2018-11-10 08:43:14,542 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:43:14,542 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-10 08:43:14,549 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/data/4194f6cd6/871615c71829454cbdd7b16101fd501e/FLAG4cf329436 [2018-11-10 08:43:14,558 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/data/4194f6cd6/871615c71829454cbdd7b16101fd501e [2018-11-10 08:43:14,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:43:14,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:43:14,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:43:14,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:43:14,564 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:43:14,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14, skipping insertion in model container [2018-11-10 08:43:14,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:43:14,600 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:43:14,779 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:43:14,788 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:43:14,838 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:43:14,856 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:43:14,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14 WrapperNode [2018-11-10 08:43:14,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:43:14,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:43:14,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:43:14,857 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:43:14,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:43:14,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:43:14,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:43:14,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:43:14,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... [2018-11-10 08:43:14,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:43:14,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:43:14,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:43:14,974 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:43:14,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/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 08:43:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:43:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:43:15,685 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:43:15,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:43:15 BoogieIcfgContainer [2018-11-10 08:43:15,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:43:15,686 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 08:43:15,687 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 08:43:15,690 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 08:43:15,691 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 08:43:15,691 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 08:43:14" (1/3) ... [2018-11-10 08:43:15,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21874d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 08:43:15, skipping insertion in model container [2018-11-10 08:43:15,692 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 08:43:15,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:43:14" (2/3) ... [2018-11-10 08:43:15,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21874d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 08:43:15, skipping insertion in model container [2018-11-10 08:43:15,692 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 08:43:15,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:43:15" (3/3) ... [2018-11-10 08:43:15,694 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-11-10 08:43:15,737 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 08:43:15,738 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 08:43:15,738 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 08:43:15,738 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 08:43:15,738 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:43:15,738 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:43:15,738 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 08:43:15,738 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:43:15,738 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 08:43:15,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states. [2018-11-10 08:43:15,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-10 08:43:15,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 08:43:15,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 08:43:15,784 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:43:15,784 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:43:15,784 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 08:43:15,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states. [2018-11-10 08:43:15,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2018-11-10 08:43:15,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 08:43:15,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 08:43:15,791 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:43:15,792 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:43:15,797 INFO L793 eck$LassoCheckResult]: Stem: 118#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 := 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~string9.base, #t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 110];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 44];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 80];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 117];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 109];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 4 := 112];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 5 := 58];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 110];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 41];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 32];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 10];#memory_int := #memory_int[#t~string23.base,#t~string23.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~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 := 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~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 44];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 77];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 2 := 101];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 3 := 116];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 4 := 104];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 5 := 58];#memory_int := #memory_int[#t~string30.base,#t~string30.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~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 67];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 82];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 73];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 84];#memory_int := #memory_int[#t~string32.base,#t~string32.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~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 79];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 75];#memory_int := #memory_int[#t~string34.base,#t~string34.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~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 41];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 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~string57.base, #t~string57.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~string58.base, #t~string58.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~string59.base, #t~string59.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~string60.base, #t~string60.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~string61.base, #t~string61.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~string62.base, #t~string62.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~string66.base, #t~string66.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~string67.base, #t~string67.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~string68.base, #t~string68.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~string69.base, #t~string69.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~string70.base, #t~string70.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~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~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 89#L474true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 161#L467true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 92#L482true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 95#L438true assume main_~tmp~5 != 0;assume { :begin_inline_setup } true; 130#L410true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 145#L583true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 158#L65-3true [2018-11-10 08:43:15,798 INFO L795 eck$LassoCheckResult]: Loop: 158#L65-3true assume true; 18#L65-1true assume !false; 124#L66true assume test_~splverifierCounter~0 < 4; 75#L67true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 85#L75true assume !(test_~tmp~0 != 0); 58#L75-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 143#L85true assume !(test_~tmp___0~0 != 0); 114#L85-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 40#L95true assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 36#L103true assume !(test_~tmp___1~0 != 0); 32#L103-2true assume { :begin_inline_timeShift } true; 146#L140true assume !(~pumpRunning~0 != 0); 142#L140-2true assume !(~systemActive~0 != 0); 38#L147-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 121#L531-1true __utac_acc__Specification2_spec__2_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; 144#L594true assume !(__utac_acc__Specification2_spec__2_~tmp~6 != 0);~methAndRunningLastTime~0 := 0; 148#L594-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 96#L157true assume { :end_inline_timeShift } true; 158#L65-3true [2018-11-10 08:43:15,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-10 08:43:15,809 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:15,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:15,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:43:15,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:15,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:15,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1398996153, now seen corresponding path program 1 times [2018-11-10 08:43:15,957 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:15,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:15,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:43:15,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:15,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:15,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1556618736, now seen corresponding path program 1 times [2018-11-10 08:43:15,972 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:15,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:15,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:43:15,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:43:16,110 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 08:43:16,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:43:16,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 08:43:16,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:43:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:43:16,212 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 6 states. [2018-11-10 08:43:16,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:43:16,443 INFO L93 Difference]: Finished difference Result 525 states and 680 transitions. [2018-11-10 08:43:16,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:43:16,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 525 states and 680 transitions. [2018-11-10 08:43:16,454 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 344 [2018-11-10 08:43:16,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 525 states to 485 states and 640 transitions. [2018-11-10 08:43:16,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2018-11-10 08:43:16,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2018-11-10 08:43:16,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 640 transitions. [2018-11-10 08:43:16,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 08:43:16,468 INFO L705 BuchiCegarLoop]: Abstraction has 485 states and 640 transitions. [2018-11-10 08:43:16,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 640 transitions. [2018-11-10 08:43:16,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 205. [2018-11-10 08:43:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-10 08:43:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2018-11-10 08:43:16,501 INFO L728 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-10 08:43:16,501 INFO L608 BuchiCegarLoop]: Abstraction has 205 states and 271 transitions. [2018-11-10 08:43:16,501 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 08:43:16,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 205 states and 271 transitions. [2018-11-10 08:43:16,503 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2018-11-10 08:43:16,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 08:43:16,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 08:43:16,503 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:43:16,504 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, 1] [2018-11-10 08:43:16,504 INFO L793 eck$LassoCheckResult]: Stem: 844#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 := 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~string9.base, #t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 110];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 79];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 102];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 44];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 80];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 2 := 117];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 3 := 109];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 4 := 112];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 5 := 58];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 110];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 79];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 2 := 102];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 41];#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 1 := 32];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string23.base,#t~string23.offset + 0 := 10];#memory_int := #memory_int[#t~string23.base,#t~string23.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~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 := 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~string30.base, #t~string30.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 0 := 44];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 1 := 77];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 2 := 101];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 3 := 116];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 4 := 104];#memory_int := #memory_int[#t~string30.base,#t~string30.offset + 5 := 58];#memory_int := #memory_int[#t~string30.base,#t~string30.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~string32.base, #t~string32.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 0 := 67];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 1 := 82];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 2 := 73];#memory_int := #memory_int[#t~string32.base,#t~string32.offset + 3 := 84];#memory_int := #memory_int[#t~string32.base,#t~string32.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~string34.base, #t~string34.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 0 := 79];#memory_int := #memory_int[#t~string34.base,#t~string34.offset + 1 := 75];#memory_int := #memory_int[#t~string34.base,#t~string34.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~string36.base, #t~string36.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 0 := 41];#memory_int := #memory_int[#t~string36.base,#t~string36.offset + 1 := 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~string57.base, #t~string57.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~string58.base, #t~string58.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~string59.base, #t~string59.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~string60.base, #t~string60.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~string61.base, #t~string61.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~string62.base, #t~string62.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~string66.base, #t~string66.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~string67.base, #t~string67.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~string68.base, #t~string68.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~string69.base, #t~string69.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~string70.base, #t~string70.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 725#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 726#L474 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 821#L467 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 824#L482 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret25;havoc main_#t~ret25; 825#L438 assume main_~tmp~5 != 0;assume { :begin_inline_setup } true; 828#L410 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 851#L583 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 830#L65-3 [2018-11-10 08:43:16,504 INFO L795 eck$LassoCheckResult]: Loop: 830#L65-3 assume true; 731#L65-1 assume !false; 732#L66 assume test_~splverifierCounter~0 < 4; 809#L67 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 810#L75 assume !(test_~tmp~0 != 0); 789#L75-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 790#L85 assume !(test_~tmp___0~0 != 0); 812#L85-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 763#L95 assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 755#L103 assume !(test_~tmp___1~0 != 0); 749#L103-2 assume { :begin_inline_timeShift } true; 750#L140 assume !(~pumpRunning~0 != 0); 759#L140-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 839#L198 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 765#L172-2 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 736#L164-3 assume { :end_inline_processEnvironment__wrappee__base } true; 722#L172-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 723#L198-1 assume { :end_inline_processEnvironment } true; 760#L147-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_#t~ret38, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 761#L531-1 __utac_acc__Specification2_spec__2_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret37;havoc __utac_acc__Specification2_spec__2_#t~ret37; 845#L594 assume !(__utac_acc__Specification2_spec__2_~tmp~6 != 0);~methAndRunningLastTime~0 := 0; 714#L594-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 829#L157 assume { :end_inline_timeShift } true; 830#L65-3 [2018-11-10 08:43:16,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:16,505 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-10 08:43:16,505 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:16,505 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:16,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:43:16,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:16,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:16,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1830549175, now seen corresponding path program 1 times [2018-11-10 08:43:16,549 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:16,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:16,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,550 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 08:43:16,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:16,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:43:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1640751698, now seen corresponding path program 1 times [2018-11-10 08:43:16,559 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 08:43:16,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 08:43:16,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:43:16,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:43:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:43:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 08:44:46,152 WARN L179 SmtUtils]: Spent 1.49 m on a formula simplification. DAG size of input: 409 DAG size of output: 407 [2018-11-10 08:45:32,080 WARN L179 SmtUtils]: Spent 45.92 s on a formula simplification that was a NOOP. DAG size: 405 [2018-11-10 08:45:32,134 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 08:45:32,136 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 08:45:32,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 08:45:32 BoogieIcfgContainer [2018-11-10 08:45:32,147 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 08:45:32,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:45:32,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:45:32,148 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:45:32,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:43:15" (3/4) ... [2018-11-10 08:45:32,150 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 08:45:32,198 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d399f097-7457-4d23-8d10-90c7c779e8a3/bin-2019/uautomizer/witness.graphml [2018-11-10 08:45:32,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:45:32,199 INFO L168 Benchmark]: Toolchain (without parser) took 137638.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,200 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:45:32,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 930.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 930.1 MB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,201 INFO L168 Benchmark]: Boogie Preprocessor took 34.64 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,201 INFO L168 Benchmark]: RCFGBuilder took 712.18 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: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,201 INFO L168 Benchmark]: BuchiAutomizer took 136460.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,201 INFO L168 Benchmark]: Witness Printer took 51.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:45:32,206 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 930.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 930.1 MB in the beginning and 1.2 GB in the end (delta: -227.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.64 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 712.18 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: 102.2 MB). Peak memory consumption was 102.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 136460.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -84.8 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. * Witness Printer took 51.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. 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 205 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 136.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 136.0s. 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, 280 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 205 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 211 SDtfs, 953 SDslu, 1273 SDs, 0 SdLazy, 52 SolverSat, 13 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: 65]: Nontermination argument in form of an infinite program execution. [2018-11-10 08:45:32,213 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 08:45:32,213 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 08:45:32,216 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 08:45:32,217 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 {",Pump:"=26, NULL=0, "__utac__get_this_arg"=0, retValue_acc=0, "__utac__get_this_argtype"=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e62b7d2=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5da55cc7=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2898e305=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e71b493=0, "On"=28, methaneLevelCritical=0, NULL=25, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f45c0ca=0, "__utac__get_this_argtype"=35, "libacc.c"=0, tmp___1=0, "\n"=20, "Env(Water:%i"=19, ")"=15, cleanupTimeShifts=4, tmp=0, "OK"=16, "On"=24, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=33, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ad92bfd=0, "libacc.c"=12, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f5b7e82=0, "i > 0 && i <= this->argsCount"=11, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=14, \result=0, ") "=22, "Off"=0, ")"=0, "i > 0 && i <= this->argsCount"=37, "libacc.c"=0, ",Pump:"=0, "OK"=0, tmp=1, "On"=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@810bdf0=0, "libacc.c"=36, "libacc.c"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@163cf00a=0, NULL=0, "__utac__get_this_argtype"=0, tmp___2=0, ",Meth:"=18, tmp___0=0, splverifierCounter=0, "__utac__get_this_arg"=0, "Pump(System:"=0, methAndRunningLastTime=0, \result=0, "Pump(System:"=29, "libacc.c"=34, "__utac__get_this_arg"=8, tmp=0, head=0, tmp=0, "Env(Water:%i"=0, "Off"=23, "CRIT"=17, "Off"=0, NULL=42, "On"=0, "__utac__get_this_arg"=38, "Off"=27, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L277] CALL "Pump(System:" [L277] RET "Pump(System:" [L281] CALL "On" [L281] RET "On" [L285] CALL "Off" [L285] RET "Off" [L289] CALL ",Pump:" [L289] RET ",Pump:" [L293] CALL "On" [L293] RET "On" [L297] CALL "Off" [L297] RET "Off" [L301] CALL ") " [L301] RET ") " [L303] CALL "\n" [L303] RET "\n" [L540] CALL "Env(Water:%i" [L540] RET "Env(Water:%i" [L541] CALL ",Meth:" [L541] RET ",Meth:" [L545] CALL "CRIT" [L545] RET "CRIT" [L549] CALL "OK" [L549] RET "OK" [L553] CALL ")" [L553] RET ")" [L913] CALL "i > 0 && i <= this->argsCount" [L913] RET "i > 0 && i <= this->argsCount" [L913] CALL "libacc.c" [L913] RET "libacc.c" [L914] CALL "__utac__get_this_arg" [L914] RET "__utac__get_this_arg" [L920] CALL "i > 0 && i <= this->argsCount" [L920] RET "i > 0 && i <= this->argsCount" [L920] CALL "libacc.c" [L920] RET "libacc.c" [L921] CALL "__utac__get_this_arg" [L921] RET "__utac__get_this_arg" [L959] CALL "i > 0 && i <= this->argsCount" [L959] RET "i > 0 && i <= this->argsCount" [L959] CALL "libacc.c" [L959] RET "libacc.c" [L960] CALL "__utac__get_this_argtype" [L960] RET "__utac__get_this_argtype" [L966] CALL "i > 0 && i <= this->argsCount" [L966] RET "i > 0 && i <= this->argsCount" [L966] CALL "libacc.c" [L966] RET "libacc.c" [L967] CALL "__utac__get_this_argtype" [L967] RET "__utac__get_this_argtype" [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L351] int cleanupTimeShifts = 4; [L488] int waterLevel = 1; [L489] int methaneLevelCritical = 0; [L577] int methAndRunningLastTime ; [L785] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L429] int retValue_acc ; [L430] int tmp ; [L434] FCALL select_helpers() [L435] FCALL select_features() [L436] CALL, EXPR valid_product() [L478] int retValue_acc ; [L481] retValue_acc = 1 [L482] RET return (retValue_acc); [L436] EXPR valid_product() [L436] tmp = valid_product() [L438] COND TRUE \read(tmp) [L440] FCALL setup() [L441] CALL runTest() [L419] CALL __utac_acc__Specification2_spec__1() [L582] RET methAndRunningLastTime = 0 [L419] __utac_acc__Specification2_spec__1() [L420] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L101] tmp___1 = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp___1)) [L112] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L195] int tmp ; [L198] COND FALSE !(\read(pumpRunning)) [L213] CALL processEnvironment__wrappee__methaneQuery() [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L187] RET, FCALL processEnvironment__wrappee__base() [L213] RET processEnvironment__wrappee__methaneQuery() [L149] processEnvironment() [L155] CALL __utac_acc__Specification2_spec__2() [L587] int tmp ; [L588] int tmp___0 ; [L592] CALL, EXPR isMethaneLevelCritical() [L527] int retValue_acc ; [L530] retValue_acc = methaneLevelCritical [L531] RET return (retValue_acc); [L592] EXPR isMethaneLevelCritical() [L592] tmp = isMethaneLevelCritical() [L594] COND FALSE !(\read(tmp)) [L610] RET methAndRunningLastTime = 0 [L155] RET __utac_acc__Specification2_spec__2() [L112] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...