./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_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_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/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 ce17648ffa5822f201dca35a60378555aafbd885 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:50:54,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:50:54,700 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:50:54,706 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:50:54,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:50:54,707 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:50:54,708 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:50:54,709 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:50:54,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:50:54,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:50:54,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:50:54,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:50:54,713 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:50:54,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:50:54,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:50:54,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:50:54,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:50:54,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:50:54,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:50:54,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:50:54,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:50:54,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:50:54,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:50:54,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:50:54,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:50:54,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:50:54,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:50:54,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:50:54,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:50:54,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:50:54,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:50:54,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:50:54,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:50:54,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:50:54,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:50:54,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:50:54,726 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 04:50:54,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:50:54,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:50:54,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:50:54,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:50:54,736 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:50:54,736 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 04:50:54,736 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 04:50:54,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:50:54,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:50:54,738 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 04:50:54,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 04:50:54,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:50:54,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:50:54,739 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 04:50:54,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:50:54,739 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:50:54,739 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 04:50:54,740 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 04:50:54,740 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_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-10 04:50:54,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:50:54,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:50:54,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:50:54,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:50:54,781 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:50:54,781 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-10 04:50:54,828 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/data/797653721/92c4af4134fe4372b323a9c4d14cf306/FLAGc4d4cf7ad [2018-11-10 04:50:55,262 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:50:55,262 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/sv-benchmarks/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-10 04:50:55,269 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/data/797653721/92c4af4134fe4372b323a9c4d14cf306/FLAGc4d4cf7ad [2018-11-10 04:50:55,279 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/data/797653721/92c4af4134fe4372b323a9c4d14cf306 [2018-11-10 04:50:55,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:50:55,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:50:55,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:50:55,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:50:55,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:50:55,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1a1a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55, skipping insertion in model container [2018-11-10 04:50:55,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:50:55,330 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:50:55,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:50:55,534 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:50:55,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:50:55,617 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:50:55,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55 WrapperNode [2018-11-10 04:50:55,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:50:55,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:50:55,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:50:55,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:50:55,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:50:55,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:50:55,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:50:55,724 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:50:55,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... [2018-11-10 04:50:55,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:50:55,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:50:55,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:50:55,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:50:55,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/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 04:50:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:50:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:50:56,693 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:50:56,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:50:56 BoogieIcfgContainer [2018-11-10 04:50:56,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:50:56,694 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 04:50:56,694 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 04:50:56,698 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 04:50:56,698 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:50:56,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 04:50:55" (1/3) ... [2018-11-10 04:50:56,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@427a1d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:50:56, skipping insertion in model container [2018-11-10 04:50:56,700 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:50:56,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:55" (2/3) ... [2018-11-10 04:50:56,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@427a1d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 04:50:56, skipping insertion in model container [2018-11-10 04:50:56,700 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 04:50:56,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:50:56" (3/3) ... [2018-11-10 04:50:56,702 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-10 04:50:56,750 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:50:56,751 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 04:50:56,751 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 04:50:56,751 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 04:50:56,751 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:50:56,751 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:50:56,751 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 04:50:56,751 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:50:56,752 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 04:50:56,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 321 states. [2018-11-10 04:50:56,801 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2018-11-10 04:50:56,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:50:56,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:50:56,808 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:56,808 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 04:50:56,808 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 04:50:56,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 321 states. [2018-11-10 04:50:56,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2018-11-10 04:50:56,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:50:56,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:50:56,817 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:56,817 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 04:50:56,823 INFO L793 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string10.base, #t~string10.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string12.base, #t~string12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 0 := 79];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 1 := 110];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string14.base, #t~string14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 0 := 79];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 1 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 2 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 0 := 44];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 1 := 80];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 2 := 117];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 3 := 109];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 4 := 112];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 5 := 58];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 41];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 32];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 10];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string49.base, #t~string49.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~string50.base, #t~string50.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~string51.base, #t~string51.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~string52.base, #t~string52.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~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 := 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~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 := 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~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 := 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~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~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 := 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~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 := 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~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 0 := 44];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 1 := 77];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 2 := 101];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 3 := 116];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 4 := 104];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 5 := 58];#memory_int := #memory_int[#t~string69.base,#t~string69.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 0 := 67];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 1 := 82];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 2 := 73];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 3 := 84];#memory_int := #memory_int[#t~string71.base,#t~string71.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~string73.base, #t~string73.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 0 := 79];#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 1 := 75];#memory_int := #memory_int[#t~string73.base,#t~string73.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~string75.base, #t~string75.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 0 := 41];#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 1 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 162#L431true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 88#L424true 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; 8#L439true main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 209#L526true assume main_~tmp~8 != 0;assume { :begin_inline_setup } true; 307#L503true 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; 26#L64-3true [2018-11-10 04:50:56,824 INFO L795 eck$LassoCheckResult]: Loop: 26#L64-3true assume true; 50#L64-1true assume !false; 6#L65true assume test_~splverifierCounter~0 < 4; 128#L66true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 281#L74true assume !(test_~tmp~0 != 0); 246#L74-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 161#L84true assume !(test_~tmp___0~0 != 0); 160#L84-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 192#L94true assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 211#L102true assume test_~tmp___1~0 != 0; 228#L102-2true assume { :begin_inline_timeShift } true; 85#L138true assume !(~pumpRunning~0 != 0); 190#L138-2true assume !(~systemActive~0 != 0); 305#L145-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 173#L981true __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 229#L388true assume !(__utac_acc__Specification4_spec__1_~tmp~7 == 0); 234#L388-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 170#L155true assume { :end_inline_timeShift } true; 26#L64-3true [2018-11-10 04:50:56,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-10 04:50:56,830 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:56,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:56,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:56,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:56,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,003 INFO L82 PathProgramCache]: Analyzing trace with hash -802318796, now seen corresponding path program 1 times [2018-11-10 04:50:57,003 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:57,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,014 INFO L82 PathProgramCache]: Analyzing trace with hash 380322552, now seen corresponding path program 1 times [2018-11-10 04:50:57,015 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,015 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:57,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:50:57,141 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 04:50:57,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:50:57,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 04:50:57,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:50:57,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:50:57,259 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 6 states. [2018-11-10 04:50:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:50:57,488 INFO L93 Difference]: Finished difference Result 318 states and 418 transitions. [2018-11-10 04:50:57,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:50:57,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 418 transitions. [2018-11-10 04:50:57,497 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2018-11-10 04:50:57,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 308 states and 408 transitions. [2018-11-10 04:50:57,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 308 [2018-11-10 04:50:57,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 308 [2018-11-10 04:50:57,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 308 states and 408 transitions. [2018-11-10 04:50:57,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 04:50:57,507 INFO L705 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-10 04:50:57,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states and 408 transitions. [2018-11-10 04:50:57,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2018-11-10 04:50:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-11-10 04:50:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 408 transitions. [2018-11-10 04:50:57,537 INFO L728 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-10 04:50:57,537 INFO L608 BuchiCegarLoop]: Abstraction has 308 states and 408 transitions. [2018-11-10 04:50:57,537 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 04:50:57,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 408 transitions. [2018-11-10 04:50:57,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 207 [2018-11-10 04:50:57,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:50:57,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:50:57,541 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:57,541 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:57,541 INFO L793 eck$LassoCheckResult]: Stem: 851#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string10.base, #t~string10.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string12.base, #t~string12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 0 := 79];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 1 := 110];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string14.base, #t~string14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 0 := 79];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 1 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 2 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 0 := 44];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 1 := 80];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 2 := 117];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 3 := 109];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 4 := 112];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 5 := 58];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 41];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 32];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 10];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string49.base, #t~string49.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~string50.base, #t~string50.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~string51.base, #t~string51.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~string52.base, #t~string52.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~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 := 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~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 := 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~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 := 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~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~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 := 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~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 := 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~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 0 := 44];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 1 := 77];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 2 := 101];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 3 := 116];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 4 := 104];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 5 := 58];#memory_int := #memory_int[#t~string69.base,#t~string69.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 0 := 67];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 1 := 82];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 2 := 73];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 3 := 84];#memory_int := #memory_int[#t~string71.base,#t~string71.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~string73.base, #t~string73.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 0 := 79];#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 1 := 75];#memory_int := #memory_int[#t~string73.base,#t~string73.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~string75.base, #t~string75.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 0 := 41];#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 1 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 663#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 664#L431 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 804#L424 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; 671#L439 main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 672#L526 assume main_~tmp~8 != 0;assume { :begin_inline_setup } true; 918#L503 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; 713#L64-3 [2018-11-10 04:50:57,542 INFO L795 eck$LassoCheckResult]: Loop: 713#L64-3 assume true; 714#L64-1 assume !false; 665#L65 assume test_~splverifierCounter~0 < 4; 666#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 857#L74 assume !(test_~tmp~0 != 0); 885#L74-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 887#L84 assume !(test_~tmp___0~0 != 0); 818#L84-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 886#L94 assume !(test_~tmp___2~0 != 0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 912#L102 assume test_~tmp___1~0 != 0; 908#L102-2 assume { :begin_inline_timeShift } true; 800#L138 assume !(~pumpRunning~0 != 0); 698#L138-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 910#L222 assume ~pumpRunning~0 != 0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res;havoc isMethaneAlarm_#t~ret8, isMethaneAlarm_~retValue_acc~0;havoc isMethaneAlarm_~retValue_acc~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 963#L949 isMethaneAlarm_#t~ret8 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0 := isMethaneAlarm_#t~ret8;havoc isMethaneAlarm_#t~ret8;isMethaneAlarm_#res := isMethaneAlarm_~retValue_acc~0; 946#L283 processEnvironment_#t~ret6 := isMethaneAlarm_#res;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret6;havoc processEnvironment_#t~ret6; 817#L226 assume processEnvironment_~tmp~3 != 0;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 753#L273 assume { :end_inline_deactivatePump } true; 754#L222-1 assume { :end_inline_processEnvironment } true; 960#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 897#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 898#L388 assume !(__utac_acc__Specification4_spec__1_~tmp~7 == 0); 893#L388-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 896#L155 assume { :end_inline_timeShift } true; 713#L64-3 [2018-11-10 04:50:57,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-10 04:50:57,542 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:57,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,593 INFO L82 PathProgramCache]: Analyzing trace with hash 793051869, now seen corresponding path program 1 times [2018-11-10 04:50:57,595 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,595 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,596 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:50:57,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:50:57,620 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 04:50:57,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:50:57,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:50:57,620 INFO L810 eck$LassoCheckResult]: loop already infeasible [2018-11-10 04:50:57,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:50:57,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:50:57,621 INFO L87 Difference]: Start difference. First operand 308 states and 408 transitions. cyclomatic complexity: 102 Second operand 3 states. [2018-11-10 04:50:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:50:57,791 INFO L93 Difference]: Finished difference Result 318 states and 398 transitions. [2018-11-10 04:50:57,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:50:57,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 398 transitions. [2018-11-10 04:50:57,795 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-10 04:50:57,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 398 transitions. [2018-11-10 04:50:57,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2018-11-10 04:50:57,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2018-11-10 04:50:57,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 398 transitions. [2018-11-10 04:50:57,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 04:50:57,801 INFO L705 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-10 04:50:57,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 398 transitions. [2018-11-10 04:50:57,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-11-10 04:50:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-10 04:50:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 398 transitions. [2018-11-10 04:50:57,812 INFO L728 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-10 04:50:57,812 INFO L608 BuchiCegarLoop]: Abstraction has 318 states and 398 transitions. [2018-11-10 04:50:57,812 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 04:50:57,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 398 transitions. [2018-11-10 04:50:57,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 220 [2018-11-10 04:50:57,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 04:50:57,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 04:50:57,817 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:57,817 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:50:57,817 INFO L793 eck$LassoCheckResult]: Stem: 1445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 13;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string10.base, #t~string10.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string12.base, #t~string12.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 0 := 79];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 1 := 110];#memory_int := #memory_int[#t~string12.base,#t~string12.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string14.base, #t~string14.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 0 := 79];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 1 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 2 := 102];#memory_int := #memory_int[#t~string14.base,#t~string14.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 7;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string16.base, #t~string16.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 0 := 44];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 1 := 80];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 2 := 117];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 3 := 109];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 4 := 112];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 5 := 58];#memory_int := #memory_int[#t~string16.base,#t~string16.offset + 6 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string18.base, #t~string18.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 0 := 79];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 1 := 110];#memory_int := #memory_int[#t~string18.base,#t~string18.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 4;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string20.base, #t~string20.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 0 := 79];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 1 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 2 := 102];#memory_int := #memory_int[#t~string20.base,#t~string20.offset + 3 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 3;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string22.base, #t~string22.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 0 := 41];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 1 := 32];#memory_int := #memory_int[#t~string22.base,#t~string22.offset + 2 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 2;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];#t~string24.base, #t~string24.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 0 := 10];#memory_int := #memory_int[#t~string24.base,#t~string24.offset + 1 := 0];#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string49.base, #t~string49.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~string50.base, #t~string50.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~string51.base, #t~string51.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~string52.base, #t~string52.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~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 := 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~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 := 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~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 := 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~string59.base, #t~string59.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string60.base, #t~string60.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string61.base, #t~string61.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~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 := 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~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 := 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~string67.base, #t~string67.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := 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~string69.base, #t~string69.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 0 := 44];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 1 := 77];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 2 := 101];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 3 := 116];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 4 := 104];#memory_int := #memory_int[#t~string69.base,#t~string69.offset + 5 := 58];#memory_int := #memory_int[#t~string69.base,#t~string69.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~string71.base, #t~string71.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 0 := 67];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 1 := 82];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 2 := 73];#memory_int := #memory_int[#t~string71.base,#t~string71.offset + 3 := 84];#memory_int := #memory_int[#t~string71.base,#t~string71.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~string73.base, #t~string73.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 0 := 79];#memory_int := #memory_int[#t~string73.base,#t~string73.offset + 1 := 75];#memory_int := #memory_int[#t~string73.base,#t~string73.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~string75.base, #t~string75.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 0 := 41];#memory_int := #memory_int[#t~string75.base,#t~string75.offset + 1 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~6, main_~tmp~8;havoc main_~retValue_acc~6;havoc main_~tmp~8;assume { :begin_inline_select_helpers } true; 1293#L431 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1414#L424 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; 1300#L439 main_#t~ret30 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~8 := main_#t~ret30;havoc main_#t~ret30; 1301#L526 assume main_~tmp~8 != 0;assume { :begin_inline_setup } true; 1510#L503 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; 1336#L64-3 [2018-11-10 04:50:57,818 INFO L795 eck$LassoCheckResult]: Loop: 1336#L64-3 assume true; 1337#L64-1 assume !false; 1294#L65 assume test_~splverifierCounter~0 < 4; 1295#L66 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1449#L74 assume !(test_~tmp~0 != 0); 1471#L74-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1473#L84 assume !(test_~tmp___0~0 != 0); 1422#L84-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1472#L94 assume test_~tmp___2~0 != 0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1496#L375 assume { :end_inline_startSystem } true; 1497#L102-2 assume { :begin_inline_timeShift } true; 1407#L138 assume !(~pumpRunning~0 != 0); 1408#L138-2 assume ~systemActive~0 != 0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1499#L222 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 1380#L196-2 assume !(~pumpRunning~0 != 0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1381#L170-6 assume ~pumpRunning~0 == 0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1359#L989-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 1360#L994-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1436#L341-9 assume isHighWaterLevel_~tmp~5 != 0;isHighWaterLevel_~tmp___0~1 := 0; 1437#L341-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1397#L347-3 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1320#L174-9 assume !(processEnvironment__wrappee__highWaterSensor_~tmp~1 != 0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1322#L162-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1517#L170-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1577#L196-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1365#L222-1 assume { :end_inline_processEnvironment } true; 1543#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_#t~ret28, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~11;havoc getWaterLevel_~retValue_acc~11;getWaterLevel_~retValue_acc~11 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~11; 1483#L981 __utac_acc__Specification4_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret27;havoc __utac_acc__Specification4_spec__1_#t~ret27; 1484#L388 assume !(__utac_acc__Specification4_spec__1_~tmp~7 == 0); 1479#L388-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1482#L155 assume { :end_inline_timeShift } true; 1336#L64-3 [2018-11-10 04:50:57,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-10 04:50:57,818 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:57,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,861 INFO L82 PathProgramCache]: Analyzing trace with hash 159766058, now seen corresponding path program 1 times [2018-11-10 04:50:57,861 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,862 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 04:50:57,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:50:57,876 INFO L82 PathProgramCache]: Analyzing trace with hash -412219418, now seen corresponding path program 1 times [2018-11-10 04:50:57,876 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:50:57,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:50:57,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:50:57,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:50:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:50:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:52:32,028 WARN L179 SmtUtils]: Spent 1.57 m on a formula simplification. DAG size of input: 405 DAG size of output: 403 [2018-11-10 04:53:18,094 WARN L179 SmtUtils]: Spent 46.07 s on a formula simplification that was a NOOP. DAG size: 403 [2018-11-10 04:53:18,150 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:53:18,155 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:53:18,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 04:53:18 BoogieIcfgContainer [2018-11-10 04:53:18,168 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 04:53:18,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:53:18,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:53:18,169 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:53:18,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:50:56" (3/4) ... [2018-11-10 04:53:18,171 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-10 04:53:18,214 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba0b7677-7a6e-4d0f-bc74-263d48e4fad7/bin-2019/uautomizer/witness.graphml [2018-11-10 04:53:18,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:53:18,215 INFO L168 Benchmark]: Toolchain (without parser) took 142933.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 957.0 MB in the beginning and 894.8 MB in the end (delta: 62.2 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,216 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:53:18,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.70 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,217 INFO L168 Benchmark]: Boogie Preprocessor took 48.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:53:18,217 INFO L168 Benchmark]: RCFGBuilder took 921.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 137.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,217 INFO L168 Benchmark]: BuchiAutomizer took 141473.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 978.6 MB in the beginning and 900.9 MB in the end (delta: 77.6 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,217 INFO L168 Benchmark]: Witness Printer took 46.22 ms. Allocated memory is still 1.2 GB. Free memory was 900.9 MB in the beginning and 894.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:53:18,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.70 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 921.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 137.3 MB). Peak memory consumption was 137.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 141473.86 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 37.2 MB). Free memory was 978.6 MB in the beginning and 900.9 MB in the end (delta: 77.6 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Witness Printer took 46.22 ms. Allocated memory is still 1.2 GB. Free memory was 900.9 MB in the beginning and 894.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 318 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 141.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 140.8s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 318 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 707 SDtfs, 1466 SDslu, 132 SDs, 0 SdLazy, 50 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 64]: Nontermination argument in form of an infinite program execution. [2018-11-10 04:53:18,227 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:53:18,228 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:53:18,230 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 04:53:18,231 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 {retValue_acc=1, NULL=0, "libacc.c"=0, "Pump(System:"=22, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@315fcf70=0, "CRIT"=28, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23b59cb6=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d87a693=173, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ecdf469=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c875b36=0, methaneLevelCritical=0, NULL=2, tmp___0=0, ",Meth:"=0, retValue_acc=0, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@eb459c3=0, tmp___1=0, "Off"=16, cleanupTimeShifts=4, tmp=0, tmp=0, "libacc.c"=8, "Off"=19, "libacc.c"=38, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, ",Meth:"=39, \result=1, "Off"=0, "i > 0 && i <= this->argsCount"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56c63280=0, "On"=0, "i > 0 && i <= this->argsCount"=0, "On"=20, \result=0, "Pump(System:"=0, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=29, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, \result=1, "On"=17, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=12, \result=0, "i > 0 && i <= this->argsCount"=27, ",Pump:"=0, tmp=1, "__utac__get_this_arg"=0, "On"=0, retValue_acc=1, \result=1, "Env(Water:%i"=40, "i > 0 && i <= this->argsCount"=33, NULL=0, ") "=15, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79339347=0, ")"=24, "OK"=0, tmp=1, retValue_acc=1, tmp___2=173, ")"=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69425c6d=0, splverifierCounter=0, "libacc.c"=0, "OK"=42, "libacc.c"=35, tmp=0, head=0, "\n"=14, "\n"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c2cc393=0, ",Pump:"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36f862d3=0, ") "=0, NULL=24, "libacc.c"=34, "__utac__get_this_arg"=37, "__utac__get_this_arg"=11, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 64]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L301] CALL "Pump(System:" [L301] RET "Pump(System:" [L305] CALL "On" [L305] RET "On" [L309] CALL "Off" [L309] RET "Off" [L313] CALL ",Pump:" [L313] RET ",Pump:" [L317] CALL "On" [L317] RET "On" [L321] CALL "Off" [L321] RET "Off" [L325] CALL ") " [L325] RET ") " [L327] CALL "\n" [L327] RET "\n" [L837] CALL "i > 0 && i <= this->argsCount" [L837] RET "i > 0 && i <= this->argsCount" [L837] CALL "libacc.c" [L837] RET "libacc.c" [L838] CALL "__utac__get_this_arg" [L838] RET "__utac__get_this_arg" [L844] CALL "i > 0 && i <= this->argsCount" [L844] RET "i > 0 && i <= this->argsCount" [L844] CALL "libacc.c" [L844] RET "libacc.c" [L845] CALL "__utac__get_this_arg" [L845] RET "__utac__get_this_arg" [L883] CALL "i > 0 && i <= this->argsCount" [L883] RET "i > 0 && i <= this->argsCount" [L883] CALL "libacc.c" [L883] RET "libacc.c" [L884] CALL "__utac__get_this_argtype" [L884] RET "__utac__get_this_argtype" [L890] CALL "i > 0 && i <= this->argsCount" [L890] RET "i > 0 && i <= this->argsCount" [L890] CALL "libacc.c" [L890] RET "libacc.c" [L891] CALL "__utac__get_this_argtype" [L891] RET "__utac__get_this_argtype" [L958] CALL "Env(Water:%i" [L958] RET "Env(Water:%i" [L959] CALL ",Meth:" [L959] RET ",Meth:" [L963] CALL "CRIT" [L963] RET "CRIT" [L967] CALL "OK" [L967] RET "OK" [L971] CALL ")" [L971] RET ")" [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L444] int cleanupTimeShifts = 4; [L906] int waterLevel = 1; [L907] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int retValue_acc ; [L518] int tmp ; [L522] FCALL select_helpers() [L523] FCALL select_features() [L524] CALL, EXPR valid_product() [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] RET return (retValue_acc); [L524] EXPR valid_product() [L524] tmp = valid_product() [L526] COND TRUE \read(tmp) [L528] FCALL setup() [L529] CALL runTest() [L511] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L96] CALL startSystem() [L374] RET systemActive = 1 [L96] startSystem() [L109] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L219] int tmp ; [L222] COND FALSE !(\read(pumpRunning)) [L237] CALL processEnvironment__wrappee__methaneQuery() [L193] int tmp ; [L196] COND FALSE !(\read(pumpRunning)) [L211] CALL processEnvironment__wrappee__highWaterSensor() [L167] int tmp ; [L170] COND TRUE ! pumpRunning [L172] CALL, EXPR isHighWaterLevel() [L333] int retValue_acc ; [L334] int tmp ; [L335] int tmp___0 ; [L339] CALL, EXPR isHighWaterSensorDry() [L986] int retValue_acc ; [L989] COND TRUE waterLevel < 2 [L990] retValue_acc = 1 [L991] RET return (retValue_acc); [L339] EXPR isHighWaterSensorDry() [L339] tmp = isHighWaterSensorDry() [L341] COND TRUE \read(tmp) [L342] tmp___0 = 0 [L346] retValue_acc = tmp___0 [L347] RET return (retValue_acc); [L172] EXPR isHighWaterLevel() [L172] tmp = isHighWaterLevel() [L174] COND FALSE !(\read(tmp)) [L180] RET, FCALL processEnvironment__wrappee__base() [L211] RET processEnvironment__wrappee__highWaterSensor() [L237] RET processEnvironment__wrappee__methaneQuery() [L147] processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L381] int tmp ; [L382] int tmp___0 ; [L386] CALL, EXPR getWaterLevel() [L977] int retValue_acc ; [L980] retValue_acc = waterLevel [L981] RET return (retValue_acc); [L386] EXPR getWaterLevel() [L386] tmp = getWaterLevel() [L388] COND FALSE, RET !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L109] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...