./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/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 982cd7c832ad69be85d11abb6d88a1915810e691 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-5842f4b [2018-11-18 08:49:35,788 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:49:35,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:49:35,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:49:35,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:49:35,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:49:35,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:49:35,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:49:35,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:49:35,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:49:35,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:49:35,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:49:35,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:49:35,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:49:35,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:49:35,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:49:35,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:49:35,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:49:35,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:49:35,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:49:35,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:49:35,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:49:35,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:49:35,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:49:35,812 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:49:35,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:49:35,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:49:35,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:49:35,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:49:35,815 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:49:35,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:49:35,817 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:49:35,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:49:35,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:49:35,818 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:49:35,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:49:35,818 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:49:35,829 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:49:35,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:49:35,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:49:35,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:49:35,830 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:49:35,831 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:49:35,831 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:49:35,831 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:49:35,831 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:49:35,831 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:49:35,831 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:49:35,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:49:35,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:49:35,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:49:35,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:49:35,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:49:35,834 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:49:35,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:49:35,834 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:49:35,834 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:49:35,835 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:49:35,835 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_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/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 -> 982cd7c832ad69be85d11abb6d88a1915810e691 [2018-11-18 08:49:35,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:49:35,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:49:35,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:49:35,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:49:35,869 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:49:35,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-18 08:49:35,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/data/b2c3ca953/52871d80099241ca80fb1cbf076a810d/FLAGa0f114e4c [2018-11-18 08:49:36,325 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:49:36,326 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-18 08:49:36,332 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/data/b2c3ca953/52871d80099241ca80fb1cbf076a810d/FLAGa0f114e4c [2018-11-18 08:49:36,341 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/data/b2c3ca953/52871d80099241ca80fb1cbf076a810d [2018-11-18 08:49:36,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:49:36,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:49:36,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:49:36,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:49:36,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:49:36,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36, skipping insertion in model container [2018-11-18 08:49:36,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:49:36,385 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:49:36,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:49:36,584 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:49:36,683 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:49:36,702 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:49:36,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36 WrapperNode [2018-11-18 08:49:36,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:49:36,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:49:36,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:49:36,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:49:36,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:49:36,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:49:36,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:49:36,744 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:49:36,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... [2018-11-18 08:49:36,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:49:36,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:49:36,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:49:36,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:49:36,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/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 [2018-11-18 08:49:36,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:49:36,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:49:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:49:37,451 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:49:37,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37 BoogieIcfgContainer [2018-11-18 08:49:37,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:49:37,452 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:49:37,452 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:49:37,454 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:49:37,455 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:37,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:49:36" (1/3) ... [2018-11-18 08:49:37,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2796a627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:37, skipping insertion in model container [2018-11-18 08:49:37,456 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:37,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:49:36" (2/3) ... [2018-11-18 08:49:37,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2796a627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:49:37, skipping insertion in model container [2018-11-18 08:49:37,456 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:49:37,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37" (3/3) ... [2018-11-18 08:49:37,458 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-18 08:49:37,491 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:49:37,492 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:49:37,492 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:49:37,492 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:49:37,492 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:49:37,492 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:49:37,492 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:49:37,492 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:49:37,492 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:49:37,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 08:49:37,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 08:49:37,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:37,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:37,534 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:37,534 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:37,534 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:49:37,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-18 08:49:37,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 08:49:37,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:37,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:37,542 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:37,542 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:37,546 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 20#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 12#L855true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 107#L848true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 40#L863true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 81#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 34#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L155-3true [2018-11-18 08:49:37,547 INFO L796 eck$LassoCheckResult]: Loop: 59#L155-3true assume true; 46#L155-1true assume !false; 172#L156true assume test_~splverifierCounter~0 < 4; 93#L157true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 113#L165true assume !(0 != test_~tmp~1); 138#L165-2true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 3#L175true assume !(0 != test_~tmp___0~0); 27#L175-2true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 85#L185true assume 0 != test_~tmp___2~0; 36#L191-2true assume { :begin_inline_timeShift } true; 44#L227true assume !(0 != ~pumpRunning~0); 43#L227-2true assume !(0 != ~systemActive~0); 95#L234-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 31#L943true __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 161#L806true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 164#L806-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 182#L244true assume { :end_inline_timeShift } true; 59#L155-3true [2018-11-18 08:49:37,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:37,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:49:37,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:37,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:37,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:37,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:37,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:37,705 INFO L82 PathProgramCache]: Analyzing trace with hash -753028109, now seen corresponding path program 1 times [2018-11-18 08:49:37,705 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:37,705 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:37,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:37,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:37,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:37,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1684709713, now seen corresponding path program 1 times [2018-11-18 08:49:37,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:37,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:37,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:37,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:49:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:49:37,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:49:37,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:49:37,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:49:37,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:49:37,941 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 6 states. [2018-11-18 08:49:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:49:38,134 INFO L93 Difference]: Finished difference Result 425 states and 551 transitions. [2018-11-18 08:49:38,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:49:38,139 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 425 states and 551 transitions. [2018-11-18 08:49:38,144 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 277 [2018-11-18 08:49:38,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 425 states to 395 states and 521 transitions. [2018-11-18 08:49:38,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2018-11-18 08:49:38,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 395 [2018-11-18 08:49:38,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 521 transitions. [2018-11-18 08:49:38,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:49:38,156 INFO L705 BuchiCegarLoop]: Abstraction has 395 states and 521 transitions. [2018-11-18 08:49:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 521 transitions. [2018-11-18 08:49:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 227. [2018-11-18 08:49:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 08:49:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 299 transitions. [2018-11-18 08:49:38,191 INFO L728 BuchiCegarLoop]: Abstraction has 227 states and 299 transitions. [2018-11-18 08:49:38,191 INFO L608 BuchiCegarLoop]: Abstraction has 227 states and 299 transitions. [2018-11-18 08:49:38,191 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:49:38,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 227 states and 299 transitions. [2018-11-18 08:49:38,193 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2018-11-18 08:49:38,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:38,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:38,194 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:38,194 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] [2018-11-18 08:49:38,194 INFO L794 eck$LassoCheckResult]: Stem: 784#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 661#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 645#L855 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 646#L848 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 696#L863 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 697#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 687#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 688#L155-3 [2018-11-18 08:49:38,195 INFO L796 eck$LassoCheckResult]: Loop: 688#L155-3 assume true; 701#L155-1 assume !false; 702#L156 assume test_~splverifierCounter~0 < 4; 737#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 738#L165 assume !(0 != test_~tmp~1); 758#L165-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 629#L175 assume !(0 != test_~tmp___0~0); 631#L175-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 675#L185 assume 0 != test_~tmp___2~0; 689#L191-2 assume { :begin_inline_timeShift } true; 690#L227 assume !(0 != ~pumpRunning~0); 667#L227-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 655#L285 assume !(0 != ~pumpRunning~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; 656#L259-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 732#L251-3 assume { :end_inline_processEnvironment__wrappee__base } true; 733#L259-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 647#L285-1 assume { :end_inline_processEnvironment } true; 648#L234-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 680#L943 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 681#L806 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 728#L806-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 797#L244 assume { :end_inline_timeShift } true; 688#L155-3 [2018-11-18 08:49:38,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:38,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:49:38,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:38,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:38,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:38,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:38,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1972840788, now seen corresponding path program 1 times [2018-11-18 08:49:38,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:38,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:38,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,241 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:49:38,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:49:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:49:38,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:49:38,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:49:38,256 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:49:38,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:49:38,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:49:38,256 INFO L87 Difference]: Start difference. First operand 227 states and 299 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-18 08:49:38,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:49:38,375 INFO L93 Difference]: Finished difference Result 285 states and 358 transitions. [2018-11-18 08:49:38,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:49:38,376 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 285 states and 358 transitions. [2018-11-18 08:49:38,378 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 08:49:38,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 285 states to 285 states and 358 transitions. [2018-11-18 08:49:38,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 285 [2018-11-18 08:49:38,381 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 285 [2018-11-18 08:49:38,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 285 states and 358 transitions. [2018-11-18 08:49:38,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:49:38,383 INFO L705 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 08:49:38,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states and 358 transitions. [2018-11-18 08:49:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-11-18 08:49:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-11-18 08:49:38,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 358 transitions. [2018-11-18 08:49:38,397 INFO L728 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 08:49:38,397 INFO L608 BuchiCegarLoop]: Abstraction has 285 states and 358 transitions. [2018-11-18 08:49:38,397 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:49:38,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 358 transitions. [2018-11-18 08:49:38,400 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2018-11-18 08:49:38,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:49:38,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:49:38,401 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:49:38,402 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] [2018-11-18 08:49:38,402 INFO L794 eck$LassoCheckResult]: Stem: 1317#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(13);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 110];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 102];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 44];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 80];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 117];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 109];#memory_int := #memory_int[#t~string16.base,4 + #t~string16.offset := 112];#memory_int := #memory_int[#t~string16.base,5 + #t~string16.offset := 58];#memory_int := #memory_int[#t~string16.base,6 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 110];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 79];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 102];#memory_int := #memory_int[#t~string20.base,3 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 41];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 32];#memory_int := #memory_int[#t~string22.base,2 + #t~string22.offset := 0];call #t~string24.base, #t~string24.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);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(25);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(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(13);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 44];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 77];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 101];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 116];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 104];#memory_int := #memory_int[#t~string67.base,5 + #t~string67.offset := 58];#memory_int := #memory_int[#t~string67.base,6 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 67];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 82];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 73];#memory_int := #memory_int[#t~string69.base,3 + #t~string69.offset := 84];#memory_int := #memory_int[#t~string69.base,4 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 79];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 75];#memory_int := #memory_int[#t~string71.base,2 + #t~string71.offset := 0];call #t~string73.base, #t~string73.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string73.base,#t~string73.offset := 41];#memory_int := #memory_int[#t~string73.base,1 + #t~string73.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1162#L855 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1163#L848 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 1214#L863 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1215#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1205#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1206#L155-3 [2018-11-18 08:49:38,402 INFO L796 eck$LassoCheckResult]: Loop: 1206#L155-3 assume true; 1416#L155-1 assume !false; 1415#L156 assume test_~splverifierCounter~0 < 4; 1264#L157 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 1265#L165 assume !(0 != test_~tmp~1); 1287#L165-2 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 1147#L175 assume !(0 != test_~tmp___0~0); 1149#L175-2 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1192#L185 assume 0 != test_~tmp___2~0; 1207#L191-2 assume { :begin_inline_timeShift } true; 1208#L227 assume !(0 != ~pumpRunning~0); 1218#L227-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1174#L285 assume !(0 != ~pumpRunning~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; 1175#L259-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1209#L951-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1210#L956-1 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1242#L404-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~1 := 0; 1333#L404-5 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1285#L410-1 processEnvironment__wrappee__methaneQuery_#t~ret5 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~2 := processEnvironment__wrappee__methaneQuery_#t~ret5;havoc processEnvironment__wrappee__methaneQuery_#t~ret5; 1200#L263-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1202#L251-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1259#L259-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1164#L285-1 assume { :end_inline_processEnvironment } true; 1165#L234-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 1431#L943 __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; 1428#L806 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 1427#L806-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1417#L244 assume { :end_inline_timeShift } true; 1206#L155-3 [2018-11-18 08:49:38,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:38,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:49:38,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:38,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:38,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:38,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:38,446 INFO L82 PathProgramCache]: Analyzing trace with hash -88759356, now seen corresponding path program 1 times [2018-11-18 08:49:38,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:38,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:38,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,448 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:49:38,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:49:38,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1339741304, now seen corresponding path program 1 times [2018-11-18 08:49:38,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:49:38,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:49:38,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:49:38,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:49:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:49:38,618 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 08:50:57,382 WARN L180 SmtUtils]: Spent 1.31 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:51:38,816 WARN L180 SmtUtils]: Spent 41.43 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:51:38,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:51:38 BoogieIcfgContainer [2018-11-18 08:51:38,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:51:38,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:51:38,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:51:38,895 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:51:38,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:49:37" (3/4) ... [2018-11-18 08:51:38,897 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:51:38,944 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6e05ee8-d61e-4c60-ba3b-6138c3ad4c31/bin-2019/uautomizer/witness.graphml [2018-11-18 08:51:38,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:51:38,945 INFO L168 Benchmark]: Toolchain (without parser) took 122601.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:51:38,945 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:51:38,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,946 INFO L168 Benchmark]: Boogie Preprocessor took 31.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,947 INFO L168 Benchmark]: RCFGBuilder took 676.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,947 INFO L168 Benchmark]: BuchiAutomizer took 121442.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.1 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,947 INFO L168 Benchmark]: Witness Printer took 49.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:51:38,950 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 676.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 121442.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -112.1 MB). Peak memory consumption was 305.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 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 6 locations. The remainder module has 285 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 121.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 120.9s. Construction of modules took 0.2s. 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, 168 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 285 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 456 SDtfs, 1075 SDslu, 1094 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 155]: 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, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=29, "__utac__get_this_argtype"=12, retValue_acc=0, "__utac__get_this_arg"=0, retValue_acc=1, "__utac__get_this_arg"=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78c4df1f=0, "OK"=38, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aef16e7=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54274e69=165, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@600a16a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cc09f5a=0, "i > 0 && i <= this->argsCount"=36, methaneLevelCritical=0, tmp___0=0, "Env(Water:%i"=0, retValue_acc=0, "CRIT"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41868c96=0, tmp___1=0, "Off"=23, cleanupTimeShifts=4, tmp=0, "libacc.c"=8, "Off"=27, tmp___0=0, "i > 0 && i <= this->argsCount"=14, NULL=0, systemActive=1, waterLevel=1, "CRIT"=37, \result=1, "Off"=0, "__utac__get_this_argtype"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a769a8f=0, "On"=0, "__utac__get_this_arg"=0, "On"=28, \result=0, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=17, "i > 0 && i <= this->argsCount"=19, "libacc.c"=0, tmp___0=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, "On"=24, head=0, pumpRunning=0, tmp=1, "__utac__get_this_arg"=15, "libacc.c"=35, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a0f1a49=0, ",Pump:"=0, "On"=0, \result=1, "libacc.c"=16, ",Meth:"=33, ") "=22, retValue_acc=1, "OK"=0, ")"=0, tmp___2=165, tmp=1, retValue_acc=1, tmp=1, splverifierCounter=0, ")"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ecdd80f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e5ac6ef=0, tmp=0, head=0, "\n"=20, "\n"=0, "Off"=0, ",Pump:"=26, ") "=0, "libacc.c"=11, "libacc.c"=0, "Env(Water:%i"=31, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 155]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L364] FCALL "Pump(System:" [L368] FCALL "On" [L372] FCALL "Off" [L376] FCALL ",Pump:" [L380] FCALL "On" [L384] FCALL "Off" [L388] FCALL ") " [L390] FCALL "\n" [L727] FCALL "i > 0 && i <= this->argsCount" [L727] FCALL "libacc.c" [L728] FCALL "__utac__get_this_arg" [L734] FCALL "i > 0 && i <= this->argsCount" [L734] FCALL "libacc.c" [L735] FCALL "__utac__get_this_arg" [L773] FCALL "i > 0 && i <= this->argsCount" [L773] FCALL "libacc.c" [L774] FCALL "__utac__get_this_argtype" [L780] FCALL "i > 0 && i <= this->argsCount" [L780] FCALL "libacc.c" [L781] FCALL "__utac__get_this_argtype" [L920] FCALL "Env(Water:%i" [L921] FCALL ",Meth:" [L925] FCALL "CRIT" [L929] FCALL "OK" [L933] FCALL ")" [L40] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L868] int waterLevel = 1; [L869] int methaneLevelCritical = 0; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 Loop: [L155] COND TRUE 1 [L157] COND TRUE splverifierCounter < 4 [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) [L200] CALL timeShift() [L227] COND FALSE !(\read(pumpRunning)) [L234] COND TRUE \read(systemActive) [L236] CALL processEnvironment() [L282] int tmp ; [L285] COND FALSE !(\read(pumpRunning)) [L300] CALL processEnvironment__wrappee__methaneQuery() [L256] int tmp ; [L259] COND TRUE ! pumpRunning [L261] CALL, EXPR isHighWaterLevel() [L396] int retValue_acc ; [L397] int tmp ; [L398] int tmp___0 ; [L402] CALL, EXPR isHighWaterSensorDry() [L948] int retValue_acc ; [L951] COND TRUE waterLevel < 2 [L952] retValue_acc = 1 [L953] RET return (retValue_acc); [L402] EXPR isHighWaterSensorDry() [L402] tmp = isHighWaterSensorDry() [L404] COND TRUE \read(tmp) [L405] tmp___0 = 0 [L409] retValue_acc = tmp___0 [L410] RET return (retValue_acc); [L261] EXPR isHighWaterLevel() [L261] tmp = isHighWaterLevel() [L263] COND FALSE !(\read(tmp)) [L269] RET, FCALL processEnvironment__wrappee__base() [L300] RET processEnvironment__wrappee__methaneQuery() [L236] processEnvironment() [L242] CALL __utac_acc__Specification4_spec__1() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR getWaterLevel() [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] RET return (retValue_acc); [L804] EXPR getWaterLevel() [L804] tmp = getWaterLevel() [L806] COND FALSE, RET !(tmp == 0) [L242] RET __utac_acc__Specification4_spec__1() [L200] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...