./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_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_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:39:18,724 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 00:39:18,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 00:39:18,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 00:39:18,732 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 00:39:18,733 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 00:39:18,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 00:39:18,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 00:39:18,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 00:39:18,736 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 00:39:18,737 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 00:39:18,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 00:39:18,738 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 00:39:18,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 00:39:18,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 00:39:18,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 00:39:18,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 00:39:18,742 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 00:39:18,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 00:39:18,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 00:39:18,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 00:39:18,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 00:39:18,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 00:39:18,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 00:39:18,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 00:39:18,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 00:39:18,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 00:39:18,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 00:39:18,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 00:39:18,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 00:39:18,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 00:39:18,753 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 00:39:18,753 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 00:39:18,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 00:39:18,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 00:39:18,755 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 00:39:18,755 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 00:39:18,766 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 00:39:18,766 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 00:39:18,767 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 00:39:18,767 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 00:39:18,768 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 00:39:18,768 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 00:39:18,769 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 00:39:18,769 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 00:39:18,770 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 00:39:18,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 00:39:18,770 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 00:39:18,771 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 00:39:18,773 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 00:39:18,773 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_6e95f435-d27e-4b35-8095-34a7ebdd5907/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-11-10 00:39:18,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 00:39:18,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 00:39:18,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 00:39:18,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 00:39:18,805 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 00:39:18,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-10 00:39:18,841 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/data/67332bc0a/b2c67e0b051641dbb4dd725ea00d2a94/FLAGd61572500 [2018-11-10 00:39:19,263 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 00:39:19,264 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-10 00:39:19,273 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/data/67332bc0a/b2c67e0b051641dbb4dd725ea00d2a94/FLAGd61572500 [2018-11-10 00:39:19,284 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/data/67332bc0a/b2c67e0b051641dbb4dd725ea00d2a94 [2018-11-10 00:39:19,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 00:39:19,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 00:39:19,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 00:39:19,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 00:39:19,290 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 00:39:19,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19, skipping insertion in model container [2018-11-10 00:39:19,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 00:39:19,333 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 00:39:19,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:39:19,533 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 00:39:19,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 00:39:19,606 INFO L193 MainTranslator]: Completed translation [2018-11-10 00:39:19,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19 WrapperNode [2018-11-10 00:39:19,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 00:39:19,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 00:39:19,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 00:39:19,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 00:39:19,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 00:39:19,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 00:39:19,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 00:39:19,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 00:39:19,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... [2018-11-10 00:39:19,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 00:39:19,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 00:39:19,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 00:39:19,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 00:39:19,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/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 00:39:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 00:39:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 00:39:20,392 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 00:39:20,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:20 BoogieIcfgContainer [2018-11-10 00:39:20,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 00:39:20,393 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 00:39:20,393 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 00:39:20,395 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 00:39:20,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:39:20,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:39:19" (1/3) ... [2018-11-10 00:39:20,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dedf1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:39:20, skipping insertion in model container [2018-11-10 00:39:20,397 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:39:20,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:19" (2/3) ... [2018-11-10 00:39:20,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4dedf1b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:39:20, skipping insertion in model container [2018-11-10 00:39:20,397 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 00:39:20,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:20" (3/3) ... [2018-11-10 00:39:20,399 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-11-10 00:39:20,431 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 00:39:20,432 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 00:39:20,432 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 00:39:20,432 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 00:39:20,432 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 00:39:20,432 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 00:39:20,432 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 00:39:20,432 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 00:39:20,432 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 00:39:20,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-10 00:39:20,463 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-10 00:39:20,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:39:20,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:39:20,469 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:39:20,469 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:39:20,470 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 00:39:20,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-10 00:39:20,474 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-10 00:39:20,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:39:20,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:39:20,475 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:39:20,475 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:39:20,480 INFO L793 eck$LassoCheckResult]: Stem: 90#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~string10.base, #t~string10.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~string12.base, #t~string12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 0 := 79];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 1 := 110];#memory_int := #memory_int[#t~string12.base,#t~string12.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~string14.base, #t~string14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 0 := 79];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 1 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 2 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.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~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 0 := 44];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 1 := 80];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 2 := 117];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 3 := 109];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 4 := 112];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 5 := 58];#memory_int := #memory_int[#t~string16.base,#t~string16.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~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.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~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.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~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 41];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 32];#memory_int := #memory_int[#t~string22.base,#t~string22.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~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 10];#memory_int := #memory_int[#t~string24.base,#t~string24.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~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 0 := 44];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 1 := 77];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 2 := 101];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 3 := 116];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 4 := 104];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 5 := 58];#memory_int := #memory_int[#t~string29.base,#t~string29.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~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 0 := 67];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 1 := 82];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 2 := 73];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 3 := 84];#memory_int := #memory_int[#t~string31.base,#t~string31.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~string33.base, #t~string33.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string33.base,#t~string33.offset + 0 := 79];#memory_int := #memory_int[#t~string33.base,#t~string33.offset + 1 := 75];#memory_int := #memory_int[#t~string33.base,#t~string33.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~string35.base, #t~string35.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string35.base,#t~string35.offset + 0 := 41];#memory_int := #memory_int[#t~string35.base,#t~string35.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~string56.base, #t~string56.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~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 := 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~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 := 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~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 := 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~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 := 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~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 := 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~string65.base, #t~string65.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~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 := 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~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 := 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~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 := 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~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 := 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~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 64#L168true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 25#L161true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 81#L176true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 98#L132true assume main_~tmp~0 != 0;assume { :begin_inline_setup } true; 20#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 55#L529true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L191-3true [2018-11-10 00:39:20,480 INFO L795 eck$LassoCheckResult]: Loop: 19#L191-3true assume true; 22#L191-1true assume !false; 108#L192true assume test_~splverifierCounter~0 < 4; 72#L193true test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 66#L201true assume !(test_~tmp~1 != 0); 63#L201-2true test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 105#L211true assume !(test_~tmp___0~0 != 0); 104#L211-2true test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 35#L221true assume test_~tmp___2~0 != 0; 26#L227-2true assume { :begin_inline_timeShift } true; 99#L261true assume !(~pumpRunning~0 != 0); 103#L261-2true assume !(~systemActive~0 != 0); 36#L268-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;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; 68#L468true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 54#L540true assume !(__utac_acc__Specification2_spec__2_~tmp~5 != 0);~methAndRunningLastTime~0 := 0; 58#L540-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 92#L278true assume { :end_inline_timeShift } true; 19#L191-3true [2018-11-10 00:39:20,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:20,485 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-10 00:39:20,487 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:20,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:20,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:39:20,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:20,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:20,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1382863909, now seen corresponding path program 1 times [2018-11-10 00:39:20,644 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:20,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:20,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:39:20,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:20,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:20,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2118805486, now seen corresponding path program 1 times [2018-11-10 00:39:20,658 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:20,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:20,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:39:20,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 00:39:20,788 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 00:39:20,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 00:39:20,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 00:39:20,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 00:39:20,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 00:39:20,873 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-10 00:39:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 00:39:21,020 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2018-11-10 00:39:21,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 00:39:21,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2018-11-10 00:39:21,028 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-10 00:39:21,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2018-11-10 00:39:21,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-11-10 00:39:21,034 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-11-10 00:39:21,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2018-11-10 00:39:21,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 00:39:21,035 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-10 00:39:21,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2018-11-10 00:39:21,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-10 00:39:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-10 00:39:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2018-11-10 00:39:21,059 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-10 00:39:21,059 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2018-11-10 00:39:21,059 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 00:39:21,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2018-11-10 00:39:21,061 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-10 00:39:21,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 00:39:21,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 00:39:21,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 00:39:21,062 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] [2018-11-10 00:39:21,062 INFO L793 eck$LassoCheckResult]: Stem: 301#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~string10.base, #t~string10.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~string12.base, #t~string12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 0 := 79];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 1 := 110];#memory_int := #memory_int[#t~string12.base,#t~string12.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~string14.base, #t~string14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 0 := 79];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 1 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 2 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.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~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 0 := 44];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 1 := 80];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 2 := 117];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 3 := 109];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 4 := 112];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 5 := 58];#memory_int := #memory_int[#t~string16.base,#t~string16.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~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.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~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.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~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 41];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 32];#memory_int := #memory_int[#t~string22.base,#t~string22.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~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 10];#memory_int := #memory_int[#t~string24.base,#t~string24.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~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string29.base, #t~string29.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 0 := 44];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 1 := 77];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 2 := 101];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 3 := 116];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 4 := 104];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 5 := 58];#memory_int := #memory_int[#t~string29.base,#t~string29.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~string31.base, #t~string31.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 0 := 67];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 1 := 82];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 2 := 73];#memory_int := #memory_int[#t~string31.base,#t~string31.offset + 3 := 84];#memory_int := #memory_int[#t~string31.base,#t~string31.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~string33.base, #t~string33.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string33.base,#t~string33.offset + 0 := 79];#memory_int := #memory_int[#t~string33.base,#t~string33.offset + 1 := 75];#memory_int := #memory_int[#t~string33.base,#t~string33.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~string35.base, #t~string35.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string35.base,#t~string35.offset + 0 := 41];#memory_int := #memory_int[#t~string35.base,#t~string35.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~string56.base, #t~string56.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~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 := 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~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 := 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~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 := 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~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 := 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~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 := 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~string65.base, #t~string65.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~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 := 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~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 := 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~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 := 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~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 := 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~string70.base, #t~string70.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 260#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 247#L168 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 248#L161 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 283#L176 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 284#L132 assume main_~tmp~0 != 0;assume { :begin_inline_setup } true; 290#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 291#L529 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 288#L191-3 [2018-11-10 00:39:21,062 INFO L795 eck$LassoCheckResult]: Loop: 288#L191-3 assume true; 289#L191-1 assume !false; 296#L192 assume test_~splverifierCounter~0 < 4; 267#L193 test_~tmp~1 := test_#t~nondet2;havoc test_#t~nondet2; 253#L201 assume !(test_~tmp~1 != 0); 242#L201-2 test_~tmp___0~0 := test_#t~nondet3;havoc test_#t~nondet3; 243#L211 assume !(test_~tmp___0~0 != 0); 319#L211-2 test_~tmp___2~0 := test_#t~nondet4;havoc test_#t~nondet4; 312#L221 assume test_~tmp___2~0 != 0; 303#L227-2 assume { :begin_inline_timeShift } true; 304#L261 assume !(~pumpRunning~0 != 0); 237#L261-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 281#L293 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 238#L285-1 assume { :end_inline_processEnvironment__wrappee__base } true; 239#L293-1 assume { :end_inline_processEnvironment } true; 311#L268-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;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; 258#L468 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 259#L540 assume !(__utac_acc__Specification2_spec__2_~tmp~5 != 0);~methAndRunningLastTime~0 := 0; 250#L540-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 302#L278 assume { :end_inline_timeShift } true; 288#L191-3 [2018-11-10 00:39:21,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:21,063 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-10 00:39:21,063 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:21,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:21,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:39:21,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:21,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:21,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1184235899, now seen corresponding path program 1 times [2018-11-10 00:39:21,113 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:21,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:21,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,114 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 00:39:21,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:21,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 00:39:21,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1738205724, now seen corresponding path program 1 times [2018-11-10 00:39:21,123 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 00:39:21,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 00:39:21,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 00:39:21,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 00:39:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:39:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 00:40:36,443 WARN L179 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 409 DAG size of output: 407 [2018-11-10 00:41:07,447 WARN L179 SmtUtils]: Spent 31.00 s on a formula simplification that was a NOOP. DAG size: 405 [2018-11-10 00:41:07,511 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 00:41:07,514 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 00:41:07,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:41:07 BoogieIcfgContainer [2018-11-10 00:41:07,532 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 00:41:07,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 00:41:07,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 00:41:07,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 00:41:07,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:20" (3/4) ... [2018-11-10 00:41:07,535 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 00:41:07,577 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e95f435-d27e-4b35-8095-34a7ebdd5907/bin-2019/uautomizer/witness.graphml [2018-11-10 00:41:07,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 00:41:07,578 INFO L168 Benchmark]: Toolchain (without parser) took 108291.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -250.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:07,579 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:07,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:07,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:07,580 INFO L168 Benchmark]: Boogie Preprocessor took 26.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:07,580 INFO L168 Benchmark]: RCFGBuilder took 668.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:07,580 INFO L168 Benchmark]: BuchiAutomizer took 107138.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.4 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. [2018-11-10 00:41:07,581 INFO L168 Benchmark]: Witness Printer took 45.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 00:41:07,583 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 668.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.0 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 107138.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -162.4 MB). Peak memory consumption was 295.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 107.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 106.8s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 128 SDtfs, 389 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 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: 191]: Nontermination argument in form of an infinite program execution. [2018-11-10 00:41:07,587 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 00:41:07,588 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 00:41:07,590 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 00:41:07,591 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, "Pump(System:"=20, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15bbacde=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@652a9dd1=161, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bd7dea5=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@597e86a9=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=27, methaneLevelCritical=0, NULL=25, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "OK"=29, "libacc.c"=0, "i > 0 && i <= this->argsCount"=39, "__utac__get_this_argtype"=0, tmp___1=0, ",Meth:"=11, "Off"=15, cleanupTimeShifts=4, tmp=0, "CRIT"=31, "Off"=18, "Env(Water:%i"=0, ",Meth:"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=40, "Off"=0, "__utac__get_this_arg"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46cbe998=0, retValue_acc=0, "On"=0, "On"=19, "Pump(System:"=0, tmp___0=0, "libacc.c"=34, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "On"=16, head=0, pumpRunning=0, tmp=1, "libacc.c"=23, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@512d5dfb=0, "libacc.c"=37, "__utac__get_this_argtype"=0, ",Pump:"=0, ")"=0, "OK"=0, "On"=0, ")"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55f7318f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3642c8e3=0, "__utac__get_this_argtype"=38, "__utac__get_this_arg"=35, NULL=0, ") "=14, retValue_acc=1, tmp___2=161, tmp___0=0, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, methAndRunningLastTime=0, \result=0, "__utac__get_this_argtype"=42, "i > 0 && i <= this->argsCount"=26, tmp=0, head=0, "\n"=12, "\n"=0, "Env(Water:%i"=8, "Off"=0, ",Pump:"=17, "CRIT"=0, ") "=0, NULL=42, tmp=0, "i > 0 && i <= this->argsCount"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 191]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L373] CALL "Pump(System:" [L373] RET "Pump(System:" [L377] CALL "On" [L377] RET "On" [L381] CALL "Off" [L381] RET "Off" [L385] CALL ",Pump:" [L385] RET ",Pump:" [L389] CALL "On" [L389] RET "On" [L393] CALL "Off" [L393] RET "Off" [L397] CALL ") " [L397] RET ") " [L399] CALL "\n" [L399] RET "\n" [L477] CALL "Env(Water:%i" [L477] RET "Env(Water:%i" [L478] CALL ",Meth:" [L478] RET ",Meth:" [L482] CALL "CRIT" [L482] RET "CRIT" [L486] CALL "OK" [L486] RET "OK" [L490] CALL ")" [L490] RET ")" [L859] CALL "i > 0 && i <= this->argsCount" [L859] RET "i > 0 && i <= this->argsCount" [L859] CALL "libacc.c" [L859] RET "libacc.c" [L860] CALL "__utac__get_this_arg" [L860] RET "__utac__get_this_arg" [L866] CALL "i > 0 && i <= this->argsCount" [L866] RET "i > 0 && i <= this->argsCount" [L866] CALL "libacc.c" [L866] RET "libacc.c" [L867] CALL "__utac__get_this_arg" [L867] RET "__utac__get_this_arg" [L905] CALL "i > 0 && i <= this->argsCount" [L905] RET "i > 0 && i <= this->argsCount" [L905] CALL "libacc.c" [L905] RET "libacc.c" [L906] CALL "__utac__get_this_argtype" [L906] RET "__utac__get_this_argtype" [L912] CALL "i > 0 && i <= this->argsCount" [L912] RET "i > 0 && i <= this->argsCount" [L912] CALL "libacc.c" [L912] RET "libacc.c" [L913] CALL "__utac__get_this_argtype" [L913] RET "__utac__get_this_argtype" [L40] int cleanupTimeShifts = 4; [L253] int pumpRunning = 0; [L254] int systemActive = 1; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L523] int methAndRunningLastTime ; [L731] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] RET return (retValue_acc); [L130] EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L113] CALL __utac_acc__Specification2_spec__1() [L528] RET methAndRunningLastTime = 0 [L113] __utac_acc__Specification2_spec__1() [L114] CALL test() [L182] int splverifierCounter ; [L183] int tmp ; [L184] int tmp___0 ; [L185] int tmp___1 ; [L186] int tmp___2 ; [L189] splverifierCounter = 0 Loop: [L191] COND TRUE 1 [L193] COND TRUE splverifierCounter < 4 [L199] tmp = __VERIFIER_nondet_int() [L201] COND FALSE !(\read(tmp)) [L209] tmp___0 = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp___0)) [L219] tmp___2 = __VERIFIER_nondet_int() [L221] COND TRUE \read(tmp___2) [L234] CALL timeShift() [L261] COND FALSE !(\read(pumpRunning)) [L268] COND TRUE \read(systemActive) [L270] CALL processEnvironment() [L290] int tmp ; [L293] COND FALSE !(\read(pumpRunning)) [L308] RET, FCALL processEnvironment__wrappee__base() [L270] processEnvironment() [L276] CALL __utac_acc__Specification2_spec__2() [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isMethaneLevelCritical() [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] RET return (retValue_acc); [L538] EXPR isMethaneLevelCritical() [L538] tmp = isMethaneLevelCritical() [L540] COND FALSE !(\read(tmp)) [L556] RET methAndRunningLastTime = 0 [L276] RET __utac_acc__Specification2_spec__2() [L234] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...