./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/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 23cbf887df70a1f42db96b12c0b9702076660a13 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-09 08:20:45,748 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:20:45,749 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:20:45,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:20:45,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:20:45,755 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:20:45,756 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:20:45,757 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:20:45,758 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:20:45,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:20:45,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:20:45,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:20:45,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:20:45,759 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:20:45,760 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:20:45,760 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:20:45,761 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:20:45,762 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:20:45,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:20:45,763 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:20:45,764 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:20:45,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:20:45,766 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:20:45,766 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:20:45,766 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:20:45,766 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:20:45,767 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:20:45,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:20:45,767 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:20:45,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:20:45,768 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:20:45,768 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:20:45,769 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:20:45,769 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:20:45,769 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:20:45,769 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:20:45,770 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 08:20:45,777 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:20:45,777 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:20:45,778 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:20:45,778 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:20:45,778 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:20:45,778 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:20:45,778 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:20:45,778 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:20:45,778 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:20:45,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:20:45,779 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:20:45,780 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:20:45,780 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:20:45,780 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:20:45,781 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:20:45,781 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_a7197136-e080-40b7-83f6-fec060cb9bf6/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-12-09 08:20:45,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:20:45,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:20:45,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:20:45,807 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:20:45,807 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:20:45,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 08:20:45,843 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/data/75ba6f440/30d64acb2ce04bc2a25355586c5a07a8/FLAG73d6f3f76 [2018-12-09 08:20:46,216 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:20:46,216 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 08:20:46,223 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/data/75ba6f440/30d64acb2ce04bc2a25355586c5a07a8/FLAG73d6f3f76 [2018-12-09 08:20:46,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/data/75ba6f440/30d64acb2ce04bc2a25355586c5a07a8 [2018-12-09 08:20:46,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:20:46,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:20:46,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:20:46,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:20:46,589 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:20:46,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b13249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46, skipping insertion in model container [2018-12-09 08:20:46,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:20:46,621 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:20:46,772 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:20:46,829 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:20:46,885 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:20:46,902 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:20:46,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46 WrapperNode [2018-12-09 08:20:46,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:20:46,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:20:46,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:20:46,904 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:20:46,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:20:46,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:20:46,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:20:46,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:20:46,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... [2018-12-09 08:20:46,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:20:46,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:20:46,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:20:46,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:20:46,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/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 [2018-12-09 08:20:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:20:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 08:20:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:20:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:20:47,371 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:20:47,371 INFO L280 CfgBuilder]: Removed 164 assue(true) statements. [2018-12-09 08:20:47,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:20:47 BoogieIcfgContainer [2018-12-09 08:20:47,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:20:47,372 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:20:47,372 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:20:47,374 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:20:47,375 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:20:47,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:20:46" (1/3) ... [2018-12-09 08:20:47,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@568b5bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:20:47, skipping insertion in model container [2018-12-09 08:20:47,376 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:20:47,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:20:46" (2/3) ... [2018-12-09 08:20:47,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@568b5bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:20:47, skipping insertion in model container [2018-12-09 08:20:47,376 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:20:47,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:20:47" (3/3) ... [2018-12-09 08:20:47,377 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 08:20:47,409 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:20:47,409 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:20:47,409 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:20:47,409 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:20:47,410 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:20:47,410 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:20:47,410 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:20:47,410 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:20:47,410 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:20:47,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 08:20:47,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 08:20:47,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:20:47,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:20:47,442 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,442 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,442 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:20:47,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-12-09 08:20:47,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 08:20:47,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:20:47,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:20:47,446 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,446 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,450 INFO L794 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 12#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 16#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 10#L73true main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 50#L802true assume 0 != main_~tmp~7; 82#L779true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L926-1true [2018-12-09 08:20:47,450 INFO L796 eck$LassoCheckResult]: Loop: 39#L926-1true assume !false; 63#L94true assume test_~splverifierCounter~0 < 4; 37#L95true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 30#L103true assume !(0 != test_~tmp~0); 27#L103-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 66#L113true assume !(0 != test_~tmp___0~0); 65#L113-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 108#L123true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 17#L131-2true assume !(0 != ~pumpRunning~0); 49#L166true assume !(0 != ~systemActive~0); 104#L173true havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 44#L860-1true __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 61#L920true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 39#L926-1true [2018-12-09 08:20:47,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,454 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 08:20:47,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:47,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1679036362, now seen corresponding path program 1 times [2018-12-09 08:20:47,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:47,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:20:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:20:47,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:20:47,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:20:47,612 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:20:47,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:20:47,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:20:47,623 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 3 states. [2018-12-09 08:20:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:20:47,647 INFO L93 Difference]: Finished difference Result 114 states and 164 transitions. [2018-12-09 08:20:47,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:20:47,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 164 transitions. [2018-12-09 08:20:47,650 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 08:20:47,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 107 states and 156 transitions. [2018-12-09 08:20:47,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 107 [2018-12-09 08:20:47,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 107 [2018-12-09 08:20:47,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 156 transitions. [2018-12-09 08:20:47,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:20:47,654 INFO L705 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 08:20:47,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 156 transitions. [2018-12-09 08:20:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-12-09 08:20:47,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-12-09 08:20:47,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2018-12-09 08:20:47,673 INFO L728 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 08:20:47,674 INFO L608 BuchiCegarLoop]: Abstraction has 107 states and 156 transitions. [2018-12-09 08:20:47,674 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:20:47,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 156 transitions. [2018-12-09 08:20:47,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-12-09 08:20:47,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:20:47,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:20:47,675 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,675 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,675 INFO L794 eck$LassoCheckResult]: Stem: 340#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 252#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 253#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 248#L73 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 249#L802 assume 0 != main_~tmp~7; 308#L779 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 290#L926-1 [2018-12-09 08:20:47,676 INFO L796 eck$LassoCheckResult]: Loop: 290#L926-1 assume !false; 291#L94 assume test_~splverifierCounter~0 < 4; 288#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 280#L103 assume !(0 != test_~tmp~0); 275#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 276#L113 assume !(0 != test_~tmp___0~0); 320#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 321#L123 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 259#L131-2 assume !(0 != ~pumpRunning~0); 260#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 307#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 313#L198-1 assume !(0 == ~pumpRunning~0); 287#L173 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 298#L860-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 299#L920 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 290#L926-1 [2018-12-09 08:20:47,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,676 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 08:20:47,676 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,676 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:47,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1086510035, now seen corresponding path program 1 times [2018-12-09 08:20:47,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:20:47,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:20:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:20:47,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:20:47,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:20:47,725 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 08:20:47,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:20:47,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:20:47,726 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-12-09 08:20:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:20:47,777 INFO L93 Difference]: Finished difference Result 154 states and 213 transitions. [2018-12-09 08:20:47,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:20:47,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 213 transitions. [2018-12-09 08:20:47,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-12-09 08:20:47,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 213 transitions. [2018-12-09 08:20:47,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 154 [2018-12-09 08:20:47,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 154 [2018-12-09 08:20:47,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 213 transitions. [2018-12-09 08:20:47,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:20:47,780 INFO L705 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2018-12-09 08:20:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 213 transitions. [2018-12-09 08:20:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-09 08:20:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-09 08:20:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 213 transitions. [2018-12-09 08:20:47,784 INFO L728 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2018-12-09 08:20:47,784 INFO L608 BuchiCegarLoop]: Abstraction has 154 states and 213 transitions. [2018-12-09 08:20:47,784 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 08:20:47,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 213 transitions. [2018-12-09 08:20:47,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-12-09 08:20:47,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:20:47,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:20:47,786 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,786 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:20:47,786 INFO L794 eck$LassoCheckResult]: Stem: 613#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 519#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 520#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 515#L73 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 516#L802 assume 0 != main_~tmp~7; 576#L779 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 559#L926-1 [2018-12-09 08:20:47,786 INFO L796 eck$LassoCheckResult]: Loop: 559#L926-1 assume !false; 560#L94 assume test_~splverifierCounter~0 < 4; 557#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 547#L103 assume !(0 != test_~tmp~0); 542#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 543#L113 assume !(0 != test_~tmp___0~0); 588#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 589#L123 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 526#L131-2 assume !(0 != ~pumpRunning~0); 527#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 575#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 581#L198-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 598#L900-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 599#L905-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 538#L326-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 539#L326-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 512#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 513#L202-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 556#L173 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 567#L860-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 568#L920 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 559#L926-1 [2018-12-09 08:20:47,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,786 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-12-09 08:20:47,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:47,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,812 INFO L82 PathProgramCache]: Analyzing trace with hash -849194663, now seen corresponding path program 1 times [2018-12-09 08:20:47,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,813 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:20:47,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:47,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:47,821 INFO L82 PathProgramCache]: Analyzing trace with hash -393123469, now seen corresponding path program 1 times [2018-12-09 08:20:47,821 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:47,821 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:47,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:47,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:20:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:20:47,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:20:47,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:20:47,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:20:47,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:20:47,963 INFO L87 Difference]: Start difference. First operand 154 states and 213 transitions. cyclomatic complexity: 61 Second operand 5 states. [2018-12-09 08:20:48,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:20:48,052 INFO L93 Difference]: Finished difference Result 513 states and 712 transitions. [2018-12-09 08:20:48,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 08:20:48,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 513 states and 712 transitions. [2018-12-09 08:20:48,056 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 372 [2018-12-09 08:20:48,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 513 states to 513 states and 712 transitions. [2018-12-09 08:20:48,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 513 [2018-12-09 08:20:48,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 513 [2018-12-09 08:20:48,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 513 states and 712 transitions. [2018-12-09 08:20:48,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:20:48,063 INFO L705 BuchiCegarLoop]: Abstraction has 513 states and 712 transitions. [2018-12-09 08:20:48,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states and 712 transitions. [2018-12-09 08:20:48,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 302. [2018-12-09 08:20:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-12-09 08:20:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 412 transitions. [2018-12-09 08:20:48,078 INFO L728 BuchiCegarLoop]: Abstraction has 302 states and 412 transitions. [2018-12-09 08:20:48,078 INFO L608 BuchiCegarLoop]: Abstraction has 302 states and 412 transitions. [2018-12-09 08:20:48,079 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-09 08:20:48,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 302 states and 412 transitions. [2018-12-09 08:20:48,081 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 212 [2018-12-09 08:20:48,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:20:48,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:20:48,081 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 08:20:48,082 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] [2018-12-09 08:20:48,082 INFO L794 eck$LassoCheckResult]: Stem: 1308#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 1204#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 1205#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1202#L73 main_#t~ret60 := valid_product_#res;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; 1203#L802 assume 0 != main_~tmp~7; 1264#L779 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1301#L926-1 [2018-12-09 08:20:48,082 INFO L796 eck$LassoCheckResult]: Loop: 1301#L926-1 assume !false; 1429#L94 assume test_~splverifierCounter~0 < 4; 1243#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 1236#L103 assume !(0 != test_~tmp~0); 1229#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 1230#L113 assume !(0 != test_~tmp___0~0); 1282#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1485#L123 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1211#L131-2 assume !(0 != ~pumpRunning~0); 1212#L166 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1269#L224 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1270#L198-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1293#L900-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1294#L905-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 1224#L326-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 1225#L326-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1197#L332-1 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 1198#L202-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1242#L173 havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;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; 1437#L860-1 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1434#L920 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);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; 1433#L892 __utac_acc__Specification3_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; 1430#L926 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1301#L926-1 [2018-12-09 08:20:48,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:48,082 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2018-12-09 08:20:48,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:48,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:48,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:48,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:48,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:48,112 INFO L82 PathProgramCache]: Analyzing trace with hash -32277205, now seen corresponding path program 1 times [2018-12-09 08:20:48,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:48,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:48,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,113 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:20:48,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:48,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:20:48,122 INFO L82 PathProgramCache]: Analyzing trace with hash 165476037, now seen corresponding path program 1 times [2018-12-09 08:20:48,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:20:48,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:20:48,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:20:48,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:20:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:20:52,463 WARN L180 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 08:20:54,544 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 08:20:54,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:20:54 BoogieIcfgContainer [2018-12-09 08:20:54,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:20:54,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:20:54,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:20:54,577 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:20:54,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:20:47" (3/4) ... [2018-12-09 08:20:54,579 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 08:20:54,610 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7197136-e080-40b7-83f6-fec060cb9bf6/bin-2019/uautomizer/witness.graphml [2018-12-09 08:20:54,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:20:54,611 INFO L168 Benchmark]: Toolchain (without parser) took 8025.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -214.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:20:54,611 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:20:54,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,612 INFO L168 Benchmark]: Boogie Preprocessor took 24.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,612 INFO L168 Benchmark]: RCFGBuilder took 400.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,612 INFO L168 Benchmark]: BuchiAutomizer took 7204.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -136.5 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,612 INFO L168 Benchmark]: Witness Printer took 33.69 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-09 08:20:54,614 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 400.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7204.10 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -136.5 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. * Witness Printer took 33.69 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: 6.5 MB). Peak memory consumption was 6.5 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 302 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 211 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 302 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 544 SDtfs, 874 SDslu, 740 SDs, 0 SdLazy, 104 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 93]: 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=47, NULL=0, NULL=0, NULL=0, NULL=0, NULL=40, NULL=0, retValue_acc=1, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62b0e0ab=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4effc1de=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cd3db34=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@640f4488=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f6934c=0, NULL=0, NULL=43, NULL=23, NULL=28, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44555530=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ccfb80b=0, NULL=31, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@252b689c=0, NULL=19, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=8, NULL=22, tmp=0, NULL=45, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c02001b=0, retValue_acc=0, \result=0, NULL=33, NULL=35, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=36, \result=0, NULL=46, NULL=38, NULL=0, NULL=27, NULL=0, NULL=0, tmp=1, NULL=0, \result=1, NULL=29, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@653b91f3=0, retValue_acc=1, tmp___2=56, retValue_acc=1, splverifierCounter=0, NULL=0, \result=0, NULL=37, NULL=20, tmp=0, tmp___1=0, head=0, NULL=42, NULL=34, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@860c253=0, NULL=24, NULL=18, NULL=26, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L158] int pumpRunning = 0; [L159] int systemActive = 1; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L720] int cleanupTimeShifts = 4; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L793] int retValue_acc ; [L794] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L800] tmp = valid_product() [L802] COND TRUE \read(tmp) [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 Loop: [L93] COND TRUE 1 [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp)) [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___0)) [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) [L340] systemActive = 1 [L166] COND FALSE !(\read(pumpRunning)) [L173] COND TRUE \read(systemActive) [L221] int tmp ; [L224] COND FALSE !(\read(pumpRunning)) [L195] int tmp ; [L198] COND TRUE ! pumpRunning [L318] int retValue_acc ; [L319] int tmp ; [L320] int tmp___0 ; [L897] int retValue_acc ; [L900] COND TRUE waterLevel < 2 [L901] retValue_acc = 1 [L902] return (retValue_acc); [L324] tmp = isHighWaterSensorDry() [L326] COND TRUE \read(tmp) [L327] tmp___0 = 0 [L331] retValue_acc = tmp___0 [L332] return (retValue_acc); [L200] tmp = isHighWaterLevel() [L202] COND FALSE !(\read(tmp)) [L912] int tmp ; [L913] int tmp___0 ; [L914] int tmp___1 ; [L856] int retValue_acc ; [L859] retValue_acc = methaneLevelCritical [L860] return (retValue_acc); [L918] tmp = isMethaneLevelCritical() [L920] COND FALSE !(\read(tmp)) [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L924] tmp___0 = getWaterLevel() [L926] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...