./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 12:16:54,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:16:54,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:16:54,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:16:54,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:16:54,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:16:54,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:16:54,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:16:54,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:16:54,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:16:54,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:16:54,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:16:54,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:16:54,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:16:54,720 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:16:54,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:16:54,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:16:54,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:16:54,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:16:54,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:16:54,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:16:54,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:16:54,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:16:54,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:16:54,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:16:54,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:16:54,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:16:54,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:16:54,729 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:16:54,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:16:54,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:16:54,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:16:54,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:16:54,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:16:54,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:16:54,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:16:54,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:16:54,741 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:16:54,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:16:54,742 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:16:54,742 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:16:54,742 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:16:54,742 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:16:54,742 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:16:54,743 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:16:54,743 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:16:54,743 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:16:54,743 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:16:54,743 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:16:54,743 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:16:54,744 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:16:54,745 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:16:54,745 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:16:54,745 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:16:54,745 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:16:54,745 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:16:54,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:16:54,746 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:16:54,746 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:16:54,746 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:16:54,746 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:16:54,746 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:16:54,747 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:16:54,747 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_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2018-11-28 12:16:54,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:16:54,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:16:54,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:16:54,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:16:54,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:16:54,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-28 12:16:54,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/data/6ba3ded0b/c8793483fad54b7a99a08872ea212c68/FLAGcd55b9d8e [2018-11-28 12:16:55,190 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:16:55,191 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/sv-benchmarks/c/product-lines/minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-28 12:16:55,198 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/data/6ba3ded0b/c8793483fad54b7a99a08872ea212c68/FLAGcd55b9d8e [2018-11-28 12:16:55,209 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/data/6ba3ded0b/c8793483fad54b7a99a08872ea212c68 [2018-11-28 12:16:55,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:16:55,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:16:55,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:55,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:16:55,217 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:16:55,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55, skipping insertion in model container [2018-11-28 12:16:55,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:16:55,256 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:16:55,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:55,497 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:16:55,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:16:55,570 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:16:55,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55 WrapperNode [2018-11-28 12:16:55,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:16:55,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:55,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:16:55,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:16:55,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:16:55,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:16:55,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:16:55,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:16:55,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... [2018-11-28 12:16:55,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:16:55,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:16:55,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:16:55,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:16:55,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/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 [2018-11-28 12:16:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:16:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:16:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:16:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:16:56,182 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:16:56,182 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-11-28 12:16:56,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:56 BoogieIcfgContainer [2018-11-28 12:16:56,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:16:56,183 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:16:56,183 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:16:56,185 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:16:56,187 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:56,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:16:55" (1/3) ... [2018-11-28 12:16:56,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f48b19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:56, skipping insertion in model container [2018-11-28 12:16:56,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:56,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:16:55" (2/3) ... [2018-11-28 12:16:56,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f48b19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:16:56, skipping insertion in model container [2018-11-28 12:16:56,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:16:56,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:56" (3/3) ... [2018-11-28 12:16:56,190 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product52_true-unreach-call_false-termination.cil.c [2018-11-28 12:16:56,228 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:16:56,229 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:16:56,229 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:16:56,229 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:16:56,229 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:16:56,229 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:16:56,229 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:16:56,229 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:16:56,230 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:16:56,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 12:16:56,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-28 12:16:56,265 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:56,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:56,273 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,273 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,273 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:16:56,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states. [2018-11-28 12:16:56,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2018-11-28 12:16:56,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:56,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:56,278 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,279 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,282 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 78#L936true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 96#L944true main_#t~ret70 := valid_product_#res;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 82#L900true assume 0 != main_~tmp~8; 41#L874true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 98#L966-1true [2018-11-28 12:16:56,282 INFO L796 eck$LassoCheckResult]: Loop: 98#L966-1true assume !false; 79#L391true assume test_~splverifierCounter~0 < 4; 46#L392true test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 65#L400true assume !(0 != test_~tmp~4); 69#L400-1true test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 99#L410true assume !(0 != test_~tmp___0~2); 84#L410-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 3#L420true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 36#L428-1true assume !(0 != ~pumpRunning~0); 58#L166true assume !(0 != ~systemActive~0); 105#L173true havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 110#L123true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 95#L966true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 98#L966-1true [2018-11-28 12:16:56,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,287 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:16:56,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:56,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1670232116, now seen corresponding path program 1 times [2018-11-28 12:16:56,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:56,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:56,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:56,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:16:56,493 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:16:56,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:16:56,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:16:56,505 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 3 states. [2018-11-28 12:16:56,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:56,572 INFO L93 Difference]: Finished difference Result 226 states and 330 transitions. [2018-11-28 12:16:56,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:16:56,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 330 transitions. [2018-11-28 12:16:56,579 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2018-11-28 12:16:56,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 212 states and 315 transitions. [2018-11-28 12:16:56,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212 [2018-11-28 12:16:56,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2018-11-28 12:16:56,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 315 transitions. [2018-11-28 12:16:56,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:16:56,587 INFO L705 BuchiCegarLoop]: Abstraction has 212 states and 315 transitions. [2018-11-28 12:16:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 315 transitions. [2018-11-28 12:16:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 210. [2018-11-28 12:16:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-28 12:16:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 312 transitions. [2018-11-28 12:16:56,618 INFO L728 BuchiCegarLoop]: Abstraction has 210 states and 312 transitions. [2018-11-28 12:16:56,618 INFO L608 BuchiCegarLoop]: Abstraction has 210 states and 312 transitions. [2018-11-28 12:16:56,619 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:16:56,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 312 transitions. [2018-11-28 12:16:56,621 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144 [2018-11-28 12:16:56,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:56,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:56,622 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,622 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,622 INFO L794 eck$LassoCheckResult]: Stem: 466#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 365#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 366#L936 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 454#L944 main_#t~ret70 := valid_product_#res;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 457#L900 assume 0 != main_~tmp~8; 409#L874 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 410#L966-1 [2018-11-28 12:16:56,622 INFO L796 eck$LassoCheckResult]: Loop: 410#L966-1 assume !false; 455#L391 assume test_~splverifierCounter~0 < 4; 417#L392 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 418#L400 assume !(0 != test_~tmp~4); 445#L400-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 449#L410 assume !(0 != test_~tmp___0~2); 448#L410-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 351#L420 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 352#L428-1 assume !(0 != ~pumpRunning~0); 379#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 434#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 443#L198-1 assume !(0 == ~pumpRunning~0); 475#L173 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 476#L123 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 469#L966 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 410#L966-1 [2018-11-28 12:16:56,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,623 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:16:56,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,623 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:56,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1415980246, now seen corresponding path program 1 times [2018-11-28 12:16:56,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,675 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:16:56,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:16:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:16:56,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:16:56,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:16:56,704 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 12:16:56,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:16:56,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:16:56,704 INFO L87 Difference]: Start difference. First operand 210 states and 312 transitions. cyclomatic complexity: 105 Second operand 3 states. [2018-11-28 12:16:56,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:16:56,796 INFO L93 Difference]: Finished difference Result 293 states and 412 transitions. [2018-11-28 12:16:56,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:16:56,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 412 transitions. [2018-11-28 12:16:56,799 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2018-11-28 12:16:56,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 412 transitions. [2018-11-28 12:16:56,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2018-11-28 12:16:56,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2018-11-28 12:16:56,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 412 transitions. [2018-11-28 12:16:56,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:16:56,804 INFO L705 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2018-11-28 12:16:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 412 transitions. [2018-11-28 12:16:56,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-11-28 12:16:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-11-28 12:16:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 412 transitions. [2018-11-28 12:16:56,815 INFO L728 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2018-11-28 12:16:56,815 INFO L608 BuchiCegarLoop]: Abstraction has 293 states and 412 transitions. [2018-11-28 12:16:56,815 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:16:56,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 293 states and 412 transitions. [2018-11-28 12:16:56,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 207 [2018-11-28 12:16:56,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:16:56,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:16:56,818 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:16:56,818 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] [2018-11-28 12:16:56,818 INFO L794 eck$LassoCheckResult]: Stem: 967#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.alloc(13);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4; 874#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 875#L936 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 958#L944 main_#t~ret70 := valid_product_#res;main_~tmp~8 := main_#t~ret70;havoc main_#t~ret70; 961#L900 assume 0 != main_~tmp~8; 919#L874 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 920#L966-1 [2018-11-28 12:16:56,819 INFO L796 eck$LassoCheckResult]: Loop: 920#L966-1 assume !false; 959#L391 assume test_~splverifierCounter~0 < 4; 928#L392 test_~tmp~4 := test_#t~nondet31;havoc test_#t~nondet31; 929#L400 assume !(0 != test_~tmp~4); 949#L400-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 953#L410 assume !(0 != test_~tmp___0~2); 952#L410-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 860#L420 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 861#L428-1 assume !(0 != ~pumpRunning~0); 915#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 943#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret10, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 947#L198-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 896#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 897#L136-1 isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; 907#L326-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 908#L326-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 869#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret10 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret10;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10; 870#L202-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 922#L173 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 976#L123 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 971#L966 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 920#L966-1 [2018-11-28 12:16:56,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,819 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:16:56,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:56,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,859 INFO L82 PathProgramCache]: Analyzing trace with hash 890409558, now seen corresponding path program 1 times [2018-11-28 12:16:56,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,860 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:16:56,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:16:56,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1346480752, now seen corresponding path program 1 times [2018-11-28 12:16:56,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:16:56,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:16:56,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:16:56,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:16:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:16:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:17:02,388 WARN L180 SmtUtils]: Spent 5.32 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:17:05,003 WARN L180 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:17:05,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:17:05 BoogieIcfgContainer [2018-11-28 12:17:05,042 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:17:05,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:17:05,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:17:05,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:17:05,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:16:56" (3/4) ... [2018-11-28 12:17:05,045 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:17:05,092 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_85f2fbc2-462f-49a4-8113-83d44b0fe7d7/bin-2019/uautomizer/witness.graphml [2018-11-28 12:17:05,092 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:17:05,093 INFO L168 Benchmark]: Toolchain (without parser) took 9881.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 950.6 MB in the beginning and 921.2 MB in the end (delta: 29.4 MB). Peak memory consumption was 206.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,093 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:17:05,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,094 INFO L168 Benchmark]: Boogie Preprocessor took 24.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,095 INFO L168 Benchmark]: RCFGBuilder took 540.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,095 INFO L168 Benchmark]: BuchiAutomizer took 8858.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 124.3 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,096 INFO L168 Benchmark]: Witness Printer took 49.96 ms. Allocated memory is still 1.2 GB. Free memory was 926.5 MB in the beginning and 921.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:17:05,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 540.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8858.61 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 926.5 MB in the end (delta: 124.3 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.96 ms. Allocated memory is still 1.2 GB. Free memory was 926.5 MB in the beginning and 921.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.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 3 locations. The remainder module has 293 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 293 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 324 SDtfs, 271 SDslu, 224 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 390]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=20, NULL=23, NULL=0, NULL=15, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@245b8b22=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c2d1d7f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46932e7=0, NULL=11, retValue_acc=1, NULL=31, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10b95f64=0, tmp___0=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, retValue_acc=0, tmp=0, NULL=14, NULL=24, cleanupTimeShifts=4, NULL=28, NULL=8, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73efce70=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77c85342=56, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=19, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, retValue_acc=1, NULL=35, head=0, pumpRunning=0, NULL=37, \result=0, NULL=29, retValue_acc=1, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5001cda=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38430c50=0, NULL=39, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d104f03=0, tmp=1, NULL=26, tmp___2=56, tmp___0=0, tmp=1, NULL=34, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2efcb5e0=0, tmp=0, head=0, NULL=0, NULL=0, NULL=36, NULL=0, NULL=0, NULL=17, NULL=16, NULL=0, NULL=27, NULL=12, NULL=22} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; [L891] int retValue_acc ; [L892] int tmp ; [L940] int retValue_acc ; [L943] retValue_acc = 1 [L944] return (retValue_acc); [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L381] int splverifierCounter ; [L382] int tmp ; [L383] int tmp___0 ; [L384] int tmp___1 ; [L385] int tmp___2 ; [L388] splverifierCounter = 0 Loop: [L390] COND TRUE 1 [L392] COND TRUE splverifierCounter < 4 [L398] tmp = __VERIFIER_nondet_int() [L400] COND FALSE !(\read(tmp)) [L408] tmp___0 = __VERIFIER_nondet_int() [L410] COND FALSE !(\read(tmp___0)) [L418] tmp___2 = __VERIFIER_nondet_int() [L420] COND TRUE \read(tmp___2) [L374] systemActive = 1 [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] return (retValue_acc); [L324] tmp = isHighWaterSensorDry() [L326] COND TRUE \read(tmp) [L327] tmp___0 = 0 [L331] retValue_acc = tmp___0 [L332] return (retValue_acc); [L200] tmp = isHighWaterLevel() [L202] COND FALSE !(\read(tmp)) [L959] int tmp ; [L960] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L964] tmp = getWaterLevel() [L966] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...