./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_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_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/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 ecfbbc733442c307db2d841c8e8a441054d096f7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:27:40,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:27:40,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:27:40,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:27:40,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:27:40,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:27:40,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:27:40,729 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:27:40,730 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:27:40,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:27:40,731 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:27:40,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:27:40,732 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:27:40,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:27:40,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:27:40,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:27:40,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:27:40,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:27:40,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:27:40,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:27:40,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:27:40,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:27:40,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:27:40,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:27:40,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:27:40,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:27:40,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:27:40,746 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:27:40,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:27:40,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:27:40,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:27:40,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:27:40,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:27:40,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:27:40,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:27:40,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:27:40,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 03:27:40,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:27:40,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:27:40,765 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:27:40,765 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:27:40,765 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:27:40,766 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 03:27:40,766 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 03:27:40,766 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 03:27:40,766 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 03:27:40,766 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 03:27:40,766 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 03:27:40,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:27:40,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 03:27:40,768 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 03:27:40,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:27:40,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:27:40,769 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 03:27:40,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:27:40,769 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:27:40,770 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 03:27:40,770 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 03:27:40,770 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_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2018-11-10 03:27:40,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:27:40,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:27:40,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:27:40,815 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:27:40,815 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:27:40,816 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:40,870 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/data/583087344/bfcac01203894fb79b05d54fed72c2aa/FLAG5302e12df [2018-11-10 03:27:41,277 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:27:41,278 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:41,289 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/data/583087344/bfcac01203894fb79b05d54fed72c2aa/FLAG5302e12df [2018-11-10 03:27:41,302 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/data/583087344/bfcac01203894fb79b05d54fed72c2aa [2018-11-10 03:27:41,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:27:41,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:27:41,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:27:41,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:27:41,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:27:41,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23291eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41, skipping insertion in model container [2018-11-10 03:27:41,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:27:41,357 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:27:41,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:27:41,595 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:27:41,660 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:27:41,679 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:27:41,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41 WrapperNode [2018-11-10 03:27:41,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:27:41,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:27:41,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:27:41,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:27:41,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:27:41,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:27:41,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:27:41,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:27:41,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... [2018-11-10 03:27:41,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:27:41,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:27:41,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:27:41,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:27:41,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 03:27:41,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:27:41,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:27:42,474 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:27:42,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:42 BoogieIcfgContainer [2018-11-10 03:27:42,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:27:42,476 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 03:27:42,476 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 03:27:42,479 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 03:27:42,480 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:27:42,480 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 03:27:41" (1/3) ... [2018-11-10 03:27:42,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa083fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:27:42, skipping insertion in model container [2018-11-10 03:27:42,481 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:27:42,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:27:41" (2/3) ... [2018-11-10 03:27:42,482 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@aa083fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 03:27:42, skipping insertion in model container [2018-11-10 03:27:42,482 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 03:27:42,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:42" (3/3) ... [2018-11-10 03:27:42,484 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-10 03:27:42,531 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:27:42,531 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 03:27:42,531 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 03:27:42,532 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 03:27:42,532 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:27:42,532 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:27:42,532 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 03:27:42,532 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:27:42,532 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 03:27:42,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-10 03:27:42,564 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-10 03:27:42,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:27:42,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:27:42,570 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:42,570 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:42,570 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 03:27:42,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-10 03:27:42,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-10 03:27:42,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:27:42,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:27:42,576 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:42,576 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:42,582 INFO L793 eck$LassoCheckResult]: Stem: 23#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~string7.base, #t~string7.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~string9.base, #t~string9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 0 := 79];#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 1 := 110];#memory_int := #memory_int[#t~string9.base,#t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 102];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 2 := 102];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 44];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 80];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 117];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 3 := 109];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 4 := 112];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 5 := 58];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 79];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 110];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 102];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 2 := 102];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 41];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 32];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 10];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string25.base, #t~string25.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 0 := 44];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 1 := 77];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 2 := 101];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 3 := 116];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 4 := 104];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 5 := 58];#memory_int := #memory_int[#t~string25.base,#t~string25.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~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 0 := 67];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 1 := 82];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 2 := 73];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 3 := 84];#memory_int := #memory_int[#t~string27.base,#t~string27.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~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 := 79];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 1 := 75];#memory_int := #memory_int[#t~string29.base,#t~string29.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~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 := 41];#memory_int := #memory_int[#t~string31.base,#t~string31.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~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string54.base, #t~string54.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~string55.base, #t~string55.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~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~string62.base, #t~string62.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string63.base, #t~string63.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~string64.base, #t~string64.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 68#L386true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 81#L379true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 4#L394true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 75#L873true assume main_~tmp~6 != 0;assume { :begin_inline_setup } true; 54#L850true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 53#L56-3true [2018-11-10 03:27:42,583 INFO L795 eck$LassoCheckResult]: Loop: 53#L56-3true assume true; 55#L56-1true assume !false; 83#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 30#L66true assume !(test_~tmp~0 != 0); 24#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 8#L76true assume !(test_~tmp___0~0 != 0); 6#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 77#L86true assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 71#L94true assume !(test_~tmp___1~0 != 0); 70#L94-2true assume { :begin_inline_timeShift } true; 79#L130true assume !(~pumpRunning~0 != 0); 76#L130-2true assume !(~systemActive~0 != 0); 47#L137-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 63#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 41#L407true assume !(__utac_acc__Specification1_spec__1_~tmp~2 != 0); 46#L407-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 18#L147true assume { :end_inline_timeShift } true; 53#L56-3true [2018-11-10 03:27:42,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:42,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 03:27:42,591 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:42,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:42,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:42,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:42,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:42,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1444580289, now seen corresponding path program 1 times [2018-11-10 03:27:42,784 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:42,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:42,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:42,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:42,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1667745659, now seen corresponding path program 1 times [2018-11-10 03:27:42,800 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:42,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:42,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:42,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:27:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:27:42,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:27:42,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 03:27:43,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 03:27:43,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 03:27:43,098 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 6 states. [2018-11-10 03:27:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:27:43,349 INFO L93 Difference]: Finished difference Result 287 states and 358 transitions. [2018-11-10 03:27:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:27:43,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 358 transitions. [2018-11-10 03:27:43,361 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2018-11-10 03:27:43,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 247 states and 318 transitions. [2018-11-10 03:27:43,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 247 [2018-11-10 03:27:43,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 247 [2018-11-10 03:27:43,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 247 states and 318 transitions. [2018-11-10 03:27:43,373 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 03:27:43,373 INFO L705 BuchiCegarLoop]: Abstraction has 247 states and 318 transitions. [2018-11-10 03:27:43,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states and 318 transitions. [2018-11-10 03:27:43,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 123. [2018-11-10 03:27:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-10 03:27:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2018-11-10 03:27:43,417 INFO L728 BuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2018-11-10 03:27:43,417 INFO L608 BuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2018-11-10 03:27:43,417 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 03:27:43,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 159 transitions. [2018-11-10 03:27:43,420 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2018-11-10 03:27:43,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 03:27:43,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 03:27:43,421 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:27:43,421 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] [2018-11-10 03:27:43,423 INFO L793 eck$LassoCheckResult]: Stem: 412#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~string7.base, #t~string7.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~string9.base, #t~string9.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 0 := 79];#memory_int := #memory_int[#t~string9.base,#t~string9.offset + 1 := 110];#memory_int := #memory_int[#t~string9.base,#t~string9.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~string11.base, #t~string11.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 0 := 79];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 1 := 102];#memory_int := #memory_int[#t~string11.base,#t~string11.offset + 2 := 102];#memory_int := #memory_int[#t~string11.base,#t~string11.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~string13.base, #t~string13.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 0 := 44];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 1 := 80];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 2 := 117];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 3 := 109];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 4 := 112];#memory_int := #memory_int[#t~string13.base,#t~string13.offset + 5 := 58];#memory_int := #memory_int[#t~string13.base,#t~string13.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~string15.base, #t~string15.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 0 := 79];#memory_int := #memory_int[#t~string15.base,#t~string15.offset + 1 := 110];#memory_int := #memory_int[#t~string15.base,#t~string15.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~string17.base, #t~string17.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 0 := 79];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 1 := 102];#memory_int := #memory_int[#t~string17.base,#t~string17.offset + 2 := 102];#memory_int := #memory_int[#t~string17.base,#t~string17.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~string19.base, #t~string19.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 0 := 41];#memory_int := #memory_int[#t~string19.base,#t~string19.offset + 1 := 32];#memory_int := #memory_int[#t~string19.base,#t~string19.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~string21.base, #t~string21.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string21.base,#t~string21.offset + 0 := 10];#memory_int := #memory_int[#t~string21.base,#t~string21.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~string23.base, #t~string23.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string25.base, #t~string25.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 0 := 44];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 1 := 77];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 2 := 101];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 3 := 116];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 4 := 104];#memory_int := #memory_int[#t~string25.base,#t~string25.offset + 5 := 58];#memory_int := #memory_int[#t~string25.base,#t~string25.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~string27.base, #t~string27.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 0 := 67];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 1 := 82];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 2 := 73];#memory_int := #memory_int[#t~string27.base,#t~string27.offset + 3 := 84];#memory_int := #memory_int[#t~string27.base,#t~string27.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~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 := 79];#memory_int := #memory_int[#t~string29.base,#t~string29.offset + 1 := 75];#memory_int := #memory_int[#t~string29.base,#t~string29.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~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 := 41];#memory_int := #memory_int[#t~string31.base,#t~string31.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~string53.base, #t~string53.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string54.base, #t~string54.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~string55.base, #t~string55.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~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~string62.base, #t~string62.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string63.base, #t~string63.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~string64.base, #t~string64.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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 392#L386 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 453#L379 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 389#L394 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 390#L873 assume main_~tmp~6 != 0;assume { :begin_inline_setup } true; 445#L850 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 408#L56-3 [2018-11-10 03:27:43,424 INFO L795 eck$LassoCheckResult]: Loop: 408#L56-3 assume true; 444#L56-1 assume !false; 446#L57 assume test_~splverifierCounter~0 < 4; 387#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 388#L66 assume !(test_~tmp~0 != 0); 413#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 397#L76 assume !(test_~tmp___0~0 != 0); 393#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 394#L86 assume test_~tmp___2~0 != 0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 417#L267 assume { :end_inline_startSystem } true; 418#L94-2 assume { :begin_inline_timeShift } true; 454#L130 assume !(~pumpRunning~0 != 0); 439#L130-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true; 401#L154 assume { :end_inline_processEnvironment } true; 402#L137-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 440#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 431#L407 assume !(__utac_acc__Specification1_spec__1_~tmp~2 != 0); 432#L407-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 407#L147 assume { :end_inline_timeShift } true; 408#L56-3 [2018-11-10 03:27:43,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:43,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 03:27:43,424 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:43,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:43,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:43,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:43,485 INFO L82 PathProgramCache]: Analyzing trace with hash 300542304, now seen corresponding path program 1 times [2018-11-10 03:27:43,485 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:43,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:43,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,486 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 03:27:43,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:27:43,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1692281572, now seen corresponding path program 1 times [2018-11-10 03:27:43,497 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:27:43,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:27:43,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:27:43,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:27:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:27:43,716 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-11-10 03:29:17,135 WARN L179 SmtUtils]: Spent 1.56 m on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 03:30:01,206 WARN L179 SmtUtils]: Spent 44.07 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 03:30:01,289 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:30:01,291 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:30:01,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 03:30:01 BoogieIcfgContainer [2018-11-10 03:30:01,304 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 03:30:01,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:30:01,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:30:01,304 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:30:01,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:27:42" (3/4) ... [2018-11-10 03:30:01,307 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 03:30:01,353 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eda7d20e-780c-4ec5-9375-5cc77c90b1c3/bin-2019/uautomizer/witness.graphml [2018-11-10 03:30:01,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:30:01,354 INFO L168 Benchmark]: Toolchain (without parser) took 140049.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 963.0 MB in the beginning and 882.1 MB in the end (delta: 80.9 MB). Peak memory consumption was 192.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,355 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:30:01,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.81 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,356 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,357 INFO L168 Benchmark]: RCFGBuilder took 670.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,360 INFO L168 Benchmark]: BuchiAutomizer took 138828.36 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -30.9 MB). Free memory was 1.0 GB in the beginning and 887.4 MB in the end (delta: 158.7 MB). Peak memory consumption was 177.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,360 INFO L168 Benchmark]: Witness Printer took 49.49 ms. Allocated memory is still 1.1 GB. Free memory was 887.4 MB in the beginning and 882.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:30:01,362 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.81 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 935.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -201.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 670.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 138828.36 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -30.9 MB). Free memory was 1.0 GB in the beginning and 887.4 MB in the end (delta: 158.7 MB). Peak memory consumption was 177.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.49 ms. Allocated memory is still 1.1 GB. Free memory was 887.4 MB in the beginning and 882.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 123 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 138.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 138.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 124 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 123 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 94 SDtfs, 425 SDslu, 724 SDs, 0 SdLazy, 52 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 56]: Nontermination argument in form of an infinite program execution. [2018-11-10 03:30:01,371 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:30:01,372 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:30:01,375 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 03:30:01,376 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 {"On"=26, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=12, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23482f40=0, "Pump(System:"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a33cd6e=181, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b2ed66e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74a9ba27=0, retValue_acc=0, "Off"=28, "__utac__get_this_argtype"=35, "i > 0 && i <= this->argsCount"=8, methaneLevelCritical=0, NULL=25, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "OK"=17, "Env(Water:%i"=20, tmp___0=0, cleanupTimeShifts=4, tmp=0, ",Meth:"=19, ")"=16, "i > 0 && i <= this->argsCount"=15, "Off"=24, ",Meth:"=0, "Env(Water:%i"=0, "\n"=0, "CRIT"=0, "OK"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_arg"=37, retValue_acc=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "libacc.c"=11, \result=0, "\n"=22, ") "=0, "libacc.c"=40, "On"=0, tmp=0, tmp=1, "Off"=0, retValue_acc=1, "__utac__get_this_argtype"=42, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2863cf6e=0, tmp___2=181, splverifierCounter=0, "On"=0, "Pump(System:"=0, \result=0, "On"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ae3ac27=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ebfdf82=0, head=0, ") "=23, "CRIT"=18, ")"=0, ",Pump:"=0, NULL=42, "Off"=0, "i > 0 && i <= this->argsCount"=36, ",Pump:"=27, "libacc.c"=14, "i > 0 && i <= this->argsCount"=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L216] CALL "Pump(System:" [L216] RET "Pump(System:" [L220] CALL "On" [L220] RET "On" [L224] CALL "Off" [L224] RET "Off" [L228] CALL ",Pump:" [L228] RET ",Pump:" [L232] CALL "On" [L232] RET "On" [L236] CALL "Off" [L236] RET "Off" [L240] CALL ") " [L240] RET ") " [L242] CALL "\n" [L242] RET "\n" [L333] CALL "Env(Water:%i" [L333] RET "Env(Water:%i" [L334] CALL ",Meth:" [L334] RET ",Meth:" [L338] CALL "CRIT" [L338] RET "CRIT" [L342] CALL "OK" [L342] RET "OK" [L346] CALL ")" [L346] RET ")" [L722] CALL "i > 0 && i <= this->argsCount" [L722] RET "i > 0 && i <= this->argsCount" [L722] CALL "libacc.c" [L722] RET "libacc.c" [L723] CALL "__utac__get_this_arg" [L723] RET "__utac__get_this_arg" [L729] CALL "i > 0 && i <= this->argsCount" [L729] RET "i > 0 && i <= this->argsCount" [L729] CALL "libacc.c" [L729] RET "libacc.c" [L730] CALL "__utac__get_this_arg" [L730] RET "__utac__get_this_arg" [L768] CALL "i > 0 && i <= this->argsCount" [L768] RET "i > 0 && i <= this->argsCount" [L768] CALL "libacc.c" [L768] RET "libacc.c" [L769] CALL "__utac__get_this_argtype" [L769] RET "__utac__get_this_argtype" [L775] CALL "i > 0 && i <= this->argsCount" [L775] RET "i > 0 && i <= this->argsCount" [L775] CALL "libacc.c" [L775] RET "libacc.c" [L776] CALL "__utac__get_this_argtype" [L776] RET "__utac__get_this_argtype" [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L791] int cleanupTimeShifts = 4; [L594] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L864] int retValue_acc ; [L865] int tmp ; [L869] FCALL select_helpers() [L870] FCALL select_features() [L871] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] RET return (retValue_acc); [L871] EXPR valid_product() [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L875] FCALL setup() [L876] CALL runTest() [L858] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L88] CALL startSystem() [L266] RET systemActive = 1 [L88] startSystem() [L103] CALL timeShift() [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L139] FCALL processEnvironment() [L145] CALL __utac_acc__Specification1_spec__1() [L400] int tmp ; [L401] int tmp___0 ; [L405] CALL, EXPR isMethaneLevelCritical() [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] RET return (retValue_acc); [L405] EXPR isMethaneLevelCritical() [L405] tmp = isMethaneLevelCritical() [L407] COND FALSE, RET !(\read(tmp)) [L145] RET __utac_acc__Specification1_spec__1() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...