./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product33_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_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:55:15,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:55:15,656 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:55:15,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:55:15,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:55:15,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:55:15,666 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:55:15,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:55:15,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:55:15,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:55:15,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:55:15,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:55:15,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:55:15,671 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:55:15,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:55:15,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:55:15,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:55:15,674 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:55:15,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:55:15,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:55:15,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:55:15,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:55:15,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:55:15,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:55:15,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:55:15,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:55:15,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:55:15,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:55:15,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:55:15,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:55:15,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:55:15,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:55:15,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:55:15,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:55:15,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:55:15,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:55:15,685 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:55:15,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:55:15,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:55:15,697 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:55:15,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:55:15,697 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:55:15,697 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:55:15,697 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:55:15,698 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:55:15,698 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:55:15,699 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:55:15,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:55:15,700 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:55:15,701 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:55:15,701 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:55:15,701 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:55:15,701 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:55:15,702 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_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2018-11-18 10:55:15,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:55:15,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:55:15,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:55:15,736 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:55:15,736 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:55:15,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product33_false-unreach-call_false-termination.cil.c [2018-11-18 10:55:15,776 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/data/5782a63be/63cfcb8723214ba9938b3442608408bc/FLAGdf8d88d86 [2018-11-18 10:55:16,195 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:55:16,195 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/sv-benchmarks/c/product-lines/minepump_spec1_product33_false-unreach-call_false-termination.cil.c [2018-11-18 10:55:16,202 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/data/5782a63be/63cfcb8723214ba9938b3442608408bc/FLAGdf8d88d86 [2018-11-18 10:55:16,210 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/data/5782a63be/63cfcb8723214ba9938b3442608408bc [2018-11-18 10:55:16,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:55:16,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:55:16,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:16,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:55:16,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:55:16,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,218 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 10:55:16, skipping insertion in model container [2018-11-18 10:55:16,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:55:16,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:55:16,439 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:16,447 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:55:16,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:55:16,558 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:55:16,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16 WrapperNode [2018-11-18 10:55:16,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:55:16,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:16,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:55:16,559 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:55:16,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:55:16,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:55:16,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:55:16,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:55:16,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... [2018-11-18 10:55:16,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:55:16,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:55:16,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:55:16,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:55:16,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/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 10:55:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:55:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:55:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:55:17,122 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:55:17,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:17 BoogieIcfgContainer [2018-11-18 10:55:17,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:55:17,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:55:17,124 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:55:17,126 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:55:17,126 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:55:17,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:55:16" (1/3) ... [2018-11-18 10:55:17,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4741e06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:55:17, skipping insertion in model container [2018-11-18 10:55:17,127 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:55:17,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:55:16" (2/3) ... [2018-11-18 10:55:17,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4741e06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:55:17, skipping insertion in model container [2018-11-18 10:55:17,128 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:55:17,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:17" (3/3) ... [2018-11-18 10:55:17,129 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product33_false-unreach-call_false-termination.cil.c [2018-11-18 10:55:17,161 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:55:17,161 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:55:17,161 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:55:17,162 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:55:17,162 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:55:17,162 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:55:17,162 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:55:17,162 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:55:17,162 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:55:17,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 10:55:17,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 10:55:17,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:55:17,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:55:17,192 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:17,193 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 10:55:17,193 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:55:17,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2018-11-18 10:55:17,195 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 10:55:17,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:55:17,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:55:17,196 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:17,196 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 10:55:17,199 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 22#L670true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#L663true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 35#L678true main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 77#L765true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 14#L742true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 34#L590-3true [2018-11-18 10:55:17,200 INFO L796 eck$LassoCheckResult]: Loop: 34#L590-3true assume true; 31#L590-1true assume !false; 109#L591true assume test_~splverifierCounter~0 < 4; 59#L592true test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 64#L600true assume !(0 != test_~tmp~5); 70#L600-2true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 6#L610true assume !(0 != test_~tmp___0~1); 10#L610-2true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 38#L620true assume 0 != test_~tmp___2~0; 27#L626-2true assume { :begin_inline_timeShift } true; 82#L432true assume !(0 != ~pumpRunning~0); 62#L432-2true assume !(0 != ~systemActive~0); 20#L439-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 24#L849true __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 76#L787true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 78#L787-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 44#L449true assume { :end_inline_timeShift } true; 34#L590-3true [2018-11-18 10:55:17,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:55:17,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1981161587, now seen corresponding path program 1 times [2018-11-18 10:55:17,352 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1049479983, now seen corresponding path program 1 times [2018-11-18 10:55:17,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:17,498 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 10:55:17,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:17,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:55:17,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:55:17,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:55:17,574 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 6 states. [2018-11-18 10:55:17,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:17,687 INFO L93 Difference]: Finished difference Result 104 states and 132 transitions. [2018-11-18 10:55:17,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:55:17,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 132 transitions. [2018-11-18 10:55:17,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-18 10:55:17,696 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 94 states and 122 transitions. [2018-11-18 10:55:17,697 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2018-11-18 10:55:17,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2018-11-18 10:55:17,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 122 transitions. [2018-11-18 10:55:17,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:55:17,699 INFO L705 BuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2018-11-18 10:55:17,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 122 transitions. [2018-11-18 10:55:17,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-18 10:55:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-18 10:55:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2018-11-18 10:55:17,724 INFO L728 BuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2018-11-18 10:55:17,724 INFO L608 BuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2018-11-18 10:55:17,724 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:55:17,724 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 122 transitions. [2018-11-18 10:55:17,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-18 10:55:17,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:55:17,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:55:17,726 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:17,726 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:17,726 INFO L794 eck$LassoCheckResult]: Stem: 300#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 263#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 264#L670 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 296#L663 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 314#L678 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 301#L765 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 274#L742 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 248#L590-3 [2018-11-18 10:55:17,727 INFO L796 eck$LassoCheckResult]: Loop: 248#L590-3 assume true; 311#L590-1 assume !false; 312#L591 assume test_~splverifierCounter~0 < 4; 276#L592 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 277#L600 assume !(0 != test_~tmp~5); 288#L600-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 241#L610 assume !(0 != test_~tmp___0~1); 243#L610-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 253#L620 assume 0 != test_~tmp___2~0; 303#L626-2 assume { :begin_inline_timeShift } true; 307#L432 assume !(0 != ~pumpRunning~0); 285#L432-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 278#L464 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 279#L456-1 assume { :end_inline_processEnvironment__wrappee__base } true; 282#L464-1 assume { :end_inline_processEnvironment } true; 283#L439-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 293#L849 __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 297#L787 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 298#L787-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 247#L449 assume { :end_inline_timeShift } true; 248#L590-3 [2018-11-18 10:55:17,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:55:17,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,768 INFO L82 PathProgramCache]: Analyzing trace with hash 725731893, now seen corresponding path program 1 times [2018-11-18 10:55:17,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,768 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,769 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:55:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:55:17,791 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 10:55:17,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:55:17,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:55:17,791 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:55:17,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:55:17,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:55:17,792 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. cyclomatic complexity: 30 Second operand 3 states. [2018-11-18 10:55:17,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:17,849 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2018-11-18 10:55:17,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:55:17,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 186 transitions. [2018-11-18 10:55:17,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 10:55:17,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 148 states and 186 transitions. [2018-11-18 10:55:17,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2018-11-18 10:55:17,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2018-11-18 10:55:17,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 186 transitions. [2018-11-18 10:55:17,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:55:17,855 INFO L705 BuchiCegarLoop]: Abstraction has 148 states and 186 transitions. [2018-11-18 10:55:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 186 transitions. [2018-11-18 10:55:17,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-18 10:55:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-18 10:55:17,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2018-11-18 10:55:17,862 INFO L728 BuchiCegarLoop]: Abstraction has 148 states and 186 transitions. [2018-11-18 10:55:17,862 INFO L608 BuchiCegarLoop]: Abstraction has 148 states and 186 transitions. [2018-11-18 10:55:17,862 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:55:17,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 186 transitions. [2018-11-18 10:55:17,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 10:55:17,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:55:17,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:55:17,865 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:55:17,865 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] [2018-11-18 10:55:17,865 INFO L794 eck$LassoCheckResult]: Stem: 548#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 79];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 110];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 102];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 44];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 80];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 117];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 109];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 112];#memory_int := #memory_int[#t~string44.base,5 + #t~string44.offset := 58];#memory_int := #memory_int[#t~string44.base,6 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 110];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 79];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,2 + #t~string48.offset := 102];#memory_int := #memory_int[#t~string48.base,3 + #t~string48.offset := 0];call #t~string50.base, #t~string50.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string50.base,#t~string50.offset := 41];#memory_int := #memory_int[#t~string50.base,1 + #t~string50.offset := 32];#memory_int := #memory_int[#t~string50.base,2 + #t~string50.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string52.base,#t~string52.offset := 10];#memory_int := #memory_int[#t~string52.base,1 + #t~string52.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 505#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret59, main_~retValue_acc~8, main_~tmp~6;havoc main_~retValue_acc~8;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 506#L670 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 547#L663 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 564#L678 main_#t~ret59 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret59;havoc main_#t~ret59; 552#L765 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 523#L742 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 494#L590-3 [2018-11-18 10:55:17,865 INFO L796 eck$LassoCheckResult]: Loop: 494#L590-3 assume true; 562#L590-1 assume !false; 563#L591 assume test_~splverifierCounter~0 < 4; 525#L592 test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; 526#L600 assume !(0 != test_~tmp~5); 536#L600-2 test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 488#L610 assume !(0 != test_~tmp___0~1); 490#L610-2 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 499#L620 assume 0 != test_~tmp___2~0; 554#L626-2 assume { :begin_inline_timeShift } true; 558#L432 assume !(0 != ~pumpRunning~0); 533#L432-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 527#L464 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret53, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 528#L889 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 532#L894 isHighWaterLevel_#t~ret53 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret53;havoc isHighWaterLevel_#t~ret53; 495#L566 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 496#L566-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 567#L572 processEnvironment_#t~ret35 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~3 := processEnvironment_#t~ret35;havoc processEnvironment_#t~ret35; 508#L468 assume !(0 != processEnvironment_~tmp~3);assume { :begin_inline_processEnvironment__wrappee__base } true; 510#L456 assume { :end_inline_processEnvironment__wrappee__base } true; 530#L464-1 assume { :end_inline_processEnvironment } true; 531#L439-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_#t~ret61, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 542#L849 __utac_acc__Specification1_spec__1_#t~ret60 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret60;havoc __utac_acc__Specification1_spec__1_#t~ret60; 549#L787 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 550#L787-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 493#L449 assume { :end_inline_timeShift } true; 494#L590-3 [2018-11-18 10:55:17,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:55:17,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,900 INFO L82 PathProgramCache]: Analyzing trace with hash 154137565, now seen corresponding path program 1 times [2018-11-18 10:55:17,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,901 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:55:17,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 27696289, now seen corresponding path program 1 times [2018-11-18 10:55:17,910 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:55:17,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:55:17,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:55:17,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:55:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:55:47,676 WARN L180 SmtUtils]: Spent 29.62 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:56:07,596 WARN L180 SmtUtils]: Spent 19.92 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:56:07,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:56:07 BoogieIcfgContainer [2018-11-18 10:56:07,664 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:56:07,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:56:07,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:56:07,665 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:56:07,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:55:17" (3/4) ... [2018-11-18 10:56:07,667 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:56:07,711 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad1b5c00-39eb-48ec-8d95-da4541a5c5bc/bin-2019/uautomizer/witness.graphml [2018-11-18 10:56:07,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:56:07,712 INFO L168 Benchmark]: Toolchain (without parser) took 51499.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 956.4 MB in the beginning and 803.2 MB in the end (delta: 153.2 MB). Peak memory consumption was 360.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:07,713 INFO L168 Benchmark]: CDTParser took 0.15 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 10:56:07,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:07,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.73 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:07,714 INFO L168 Benchmark]: Boogie Preprocessor took 20.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:56:07,714 INFO L168 Benchmark]: RCFGBuilder took 501.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:07,714 INFO L168 Benchmark]: BuchiAutomizer took 50540.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 803.2 MB in the end (delta: 239.9 MB). Peak memory consumption was 312.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:56:07,715 INFO L168 Benchmark]: Witness Printer took 47.53 ms. Allocated memory is still 1.2 GB. Free memory is still 803.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:56:07,716 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.73 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 501.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50540.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.0 GB in the beginning and 803.2 MB in the end (delta: 239.9 MB). Peak memory consumption was 312.2 MB. Max. memory is 11.5 GB. * Witness Printer took 47.53 ms. Allocated memory is still 1.2 GB. Free memory is still 803.2 MB. There was no memory consumed. 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 148 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 50.2s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 148 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 273 SDtfs, 480 SDslu, 74 SDs, 0 SdLazy, 29 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 590]: 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, "Env(Water:%i"=0, "On"=0, "On"=35, "On"=0, ")"=33, ",Pump:"=0, "Env(Water:%i"=36, "Pump(System:"=29, retValue_acc=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3979f34=0, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, ",Meth:"=0, "OK"=0, tmp=0, "CRIT"=0, tmp___1=0, "__utac__get_this_argtype"=34, "__utac__get_this_arg"=15, tmp___0=0, "__utac__get_this_arg"=8, "libacc.c"=24, cleanupTimeShifts=4, "libacc.c"=39, "Off"=18, ") "=23, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=16, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=0, retValue_acc=0, \result=0, ",Pump:"=19, "\n"=0, ") "=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, \result=0, "\n"=22, "i > 0 && i <= this->argsCount"=11, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, tmp=1, \result=1, "Off"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@423e516=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e012830=0, "CRIT"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bd90bf8=0, retValue_acc=1, "libacc.c"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15ea7649=0, ")"=0, tmp=1, tmp___2=170, retValue_acc=1, "i > 0 && i <= this->argsCount"=17, tmp___0=0, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@582b959e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c2c044=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5be2471c=170, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66e926b9=0, tmp=0, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=27, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=37, "libacc.c"=0, "libacc.c"=0, "On"=26, "Off"=0, ",Meth:"=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 590]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L526] FCALL "Pump(System:" [L530] FCALL "On" [L534] FCALL "Off" [L538] FCALL ",Pump:" [L542] FCALL "On" [L546] FCALL "Off" [L550] FCALL ") " [L552] FCALL "\n" [L858] FCALL "Env(Water:%i" [L859] FCALL ",Meth:" [L863] FCALL "CRIT" [L867] FCALL "OK" [L871] FCALL ")" [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L756] int retValue_acc ; [L757] int tmp ; [L761] FCALL select_helpers() [L762] FCALL select_features() [L763] CALL, EXPR valid_product() [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] RET return (retValue_acc); [L763] EXPR valid_product() [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L767] FCALL setup() [L768] CALL runTest() [L750] CALL test() [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 Loop: [L590] COND TRUE 1 [L592] COND TRUE splverifierCounter < 4 [L598] tmp = __VERIFIER_nondet_int() [L600] COND FALSE !(\read(tmp)) [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND FALSE !(\read(tmp___0)) [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) [L633] CALL timeShift() [L432] COND FALSE !(\read(pumpRunning)) [L439] COND TRUE \read(systemActive) [L441] CALL processEnvironment() [L461] int tmp ; [L464] COND TRUE ! pumpRunning [L466] CALL, EXPR isHighWaterLevel() [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR isHighWaterSensorDry() [L886] int retValue_acc ; [L889] COND TRUE waterLevel < 2 [L890] retValue_acc = 1 [L891] RET return (retValue_acc); [L564] EXPR isHighWaterSensorDry() [L564] tmp = isHighWaterSensorDry() [L566] COND TRUE \read(tmp) [L567] tmp___0 = 0 [L571] retValue_acc = tmp___0 [L572] RET return (retValue_acc); [L466] EXPR isHighWaterLevel() [L466] tmp = isHighWaterLevel() [L468] COND FALSE !(\read(tmp)) [L474] RET, FCALL processEnvironment__wrappee__base() [L441] processEnvironment() [L447] CALL __utac_acc__Specification1_spec__1() [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isMethaneLevelCritical() [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] RET return (retValue_acc); [L785] EXPR isMethaneLevelCritical() [L785] tmp = isMethaneLevelCritical() [L787] COND FALSE, RET !(\read(tmp)) [L447] RET __utac_acc__Specification1_spec__1() [L633] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...