./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17_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_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/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 dcdc175f36a7a4b619ef1dcf44a5e5edbf0f1a99 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-01 07:47:22,665 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 07:47:22,666 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 07:47:22,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 07:47:22,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 07:47:22,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 07:47:22,673 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 07:47:22,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 07:47:22,675 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 07:47:22,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 07:47:22,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 07:47:22,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 07:47:22,676 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 07:47:22,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 07:47:22,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 07:47:22,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 07:47:22,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 07:47:22,679 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 07:47:22,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 07:47:22,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 07:47:22,681 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 07:47:22,682 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 07:47:22,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 07:47:22,683 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 07:47:22,683 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 07:47:22,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 07:47:22,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 07:47:22,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 07:47:22,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 07:47:22,685 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 07:47:22,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 07:47:22,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 07:47:22,686 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 07:47:22,686 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 07:47:22,686 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 07:47:22,687 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 07:47:22,687 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-01 07:47:22,695 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 07:47:22,695 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 07:47:22,696 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 07:47:22,696 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 07:47:22,696 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 07:47:22,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 07:47:22,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 07:47:22,698 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 07:47:22,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 07:47:22,698 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 07:47:22,699 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 07:47:22,699 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_55bb39e7-d232-4d78-9baa-b08723207b5d/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 -> dcdc175f36a7a4b619ef1dcf44a5e5edbf0f1a99 [2018-12-01 07:47:22,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 07:47:22,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 07:47:22,726 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 07:47:22,727 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 07:47:22,727 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 07:47:22,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-12-01 07:47:22,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/data/5cabf05ea/d05db4f2d16945e68065e4a8500dc32c/FLAG008bca6cc [2018-12-01 07:47:23,192 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 07:47:23,192 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/sv-benchmarks/c/product-lines/minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-12-01 07:47:23,198 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/data/5cabf05ea/d05db4f2d16945e68065e4a8500dc32c/FLAG008bca6cc [2018-12-01 07:47:23,205 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/data/5cabf05ea/d05db4f2d16945e68065e4a8500dc32c [2018-12-01 07:47:23,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 07:47:23,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 07:47:23,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 07:47:23,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 07:47:23,210 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 07:47:23,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23, skipping insertion in model container [2018-12-01 07:47:23,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 07:47:23,237 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 07:47:23,379 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 07:47:23,387 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 07:47:23,468 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 07:47:23,484 INFO L195 MainTranslator]: Completed translation [2018-12-01 07:47:23,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23 WrapperNode [2018-12-01 07:47:23,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 07:47:23,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 07:47:23,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 07:47:23,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 07:47:23,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 07:47:23,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 07:47:23,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 07:47:23,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 07:47:23,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... [2018-12-01 07:47:23,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 07:47:23,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 07:47:23,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 07:47:23,563 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 07:47:23,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/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 [2018-12-01 07:47:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 07:47:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 07:47:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 07:47:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 07:47:23,888 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 07:47:23,888 INFO L280 CfgBuilder]: Removed 110 assue(true) statements. [2018-12-01 07:47:23,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:47:23 BoogieIcfgContainer [2018-12-01 07:47:23,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 07:47:23,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 07:47:23,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 07:47:23,891 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 07:47:23,892 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:47:23,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 07:47:23" (1/3) ... [2018-12-01 07:47:23,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@210ab661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 07:47:23, skipping insertion in model container [2018-12-01 07:47:23,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:47:23,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:47:23" (2/3) ... [2018-12-01 07:47:23,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@210ab661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 07:47:23, skipping insertion in model container [2018-12-01 07:47:23,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 07:47:23,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:47:23" (3/3) ... [2018-12-01 07:47:23,894 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product17_true-unreach-call_false-termination.cil.c [2018-12-01 07:47:23,925 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 07:47:23,926 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 07:47:23,926 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 07:47:23,926 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 07:47:23,926 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 07:47:23,926 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 07:47:23,926 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 07:47:23,926 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 07:47:23,926 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 07:47:23,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-01 07:47:23,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-01 07:47:23,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:47:23,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:47:23,957 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:23,957 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:23,957 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 07:47:23,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-01 07:47:23,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-01 07:47:23,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:47:23,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:47:23,960 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:23,960 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:23,963 INFO L794 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 8#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 72#L543true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 76#L551true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 46#L132true assume 0 != main_~tmp~0; 34#L103true ~switchedOnBeforeTS~0 := 0; 40#L564true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 14#L585-1true [2018-12-01 07:47:23,964 INFO L796 eck$LassoCheckResult]: Loop: 14#L585-1true assume !false; 47#L868true assume test_~splverifierCounter~0 < 4; 82#L869true test_~tmp~7 := test_#t~nondet69;havoc test_#t~nondet69; 6#L877true assume !(0 != test_~tmp~7); 7#L877-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 66#L887true assume !(0 != test_~tmp___0~2); 69#L887-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 53#L897true assume 0 != test_~tmp___2~0; 26#L903-2true havoc __utac_acc__Specification5_spec__2_#t~ret37;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 16#L797true __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 12#L574true assume !(0 != ~pumpRunning~0); 75#L712true assume !(0 != ~systemActive~0); 83#L719true havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 62#L686true __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 10#L585true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 14#L585-1true [2018-12-01 07:47:23,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:23,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-01 07:47:23,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:23,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:23,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:23,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:23,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,086 INFO L82 PathProgramCache]: Analyzing trace with hash 94196908, now seen corresponding path program 1 times [2018-12-01 07:47:24,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2028222118, now seen corresponding path program 1 times [2018-12-01 07:47:24,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:47:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 07:47:24,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 07:47:24,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 07:47:24,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 07:47:24,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 07:47:24,237 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states. [2018-12-01 07:47:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 07:47:24,294 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2018-12-01 07:47:24,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 07:47:24,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 109 transitions. [2018-12-01 07:47:24,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-01 07:47:24,302 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 102 transitions. [2018-12-01 07:47:24,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2018-12-01 07:47:24,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2018-12-01 07:47:24,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 102 transitions. [2018-12-01 07:47:24,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 07:47:24,305 INFO L705 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-01 07:47:24,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 102 transitions. [2018-12-01 07:47:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-12-01 07:47:24,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-01 07:47:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2018-12-01 07:47:24,327 INFO L728 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-01 07:47:24,327 INFO L608 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-01 07:47:24,327 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 07:47:24,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 102 transitions. [2018-12-01 07:47:24,329 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-01 07:47:24,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:47:24,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:47:24,329 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:24,330 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:24,330 INFO L794 eck$LassoCheckResult]: Stem: 233#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 192#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 193#L543 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 253#L551 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 235#L132 assume 0 != main_~tmp~0; 224#L103 ~switchedOnBeforeTS~0 := 0; 225#L564 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 195#L585-1 [2018-12-01 07:47:24,330 INFO L796 eck$LassoCheckResult]: Loop: 195#L585-1 assume !false; 203#L868 assume test_~splverifierCounter~0 < 4; 236#L869 test_~tmp~7 := test_#t~nondet69;havoc test_#t~nondet69; 186#L877 assume !(0 != test_~tmp~7); 188#L877-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 189#L887 assume !(0 != test_~tmp___0~2); 240#L887-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 241#L897 assume 0 != test_~tmp___2~0; 214#L903-2 havoc __utac_acc__Specification5_spec__2_#t~ret37;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 204#L797 __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 198#L574 assume !(0 != ~pumpRunning~0); 199#L712 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 242#L744 assume !(0 != ~pumpRunning~0); 243#L719 havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 250#L686 __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 194#L585 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 195#L585-1 [2018-12-01 07:47:24,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-01 07:47:24,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1401856253, now seen corresponding path program 1 times [2018-12-01 07:47:24,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,373 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 07:47:24,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1576616887, now seen corresponding path program 1 times [2018-12-01 07:47:24,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,381 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 07:47:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 07:47:24,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 07:47:24,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 07:47:24,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 07:47:24,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 07:47:24,482 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-12-01 07:47:24,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 07:47:24,580 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2018-12-01 07:47:24,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 07:47:24,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 288 transitions. [2018-12-01 07:47:24,584 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2018-12-01 07:47:24,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 288 transitions. [2018-12-01 07:47:24,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2018-12-01 07:47:24,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2018-12-01 07:47:24,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 288 transitions. [2018-12-01 07:47:24,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 07:47:24,589 INFO L705 BuchiCegarLoop]: Abstraction has 210 states and 288 transitions. [2018-12-01 07:47:24,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 288 transitions. [2018-12-01 07:47:24,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 141. [2018-12-01 07:47:24,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-01 07:47:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 190 transitions. [2018-12-01 07:47:24,597 INFO L728 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2018-12-01 07:47:24,597 INFO L608 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2018-12-01 07:47:24,597 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 07:47:24,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 190 transitions. [2018-12-01 07:47:24,599 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2018-12-01 07:47:24,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 07:47:24,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 07:47:24,600 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:24,600 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 07:47:24,600 INFO L794 eck$LassoCheckResult]: Stem: 540#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(13);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1); 491#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 492#L543 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 571#L551 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 543#L132 assume 0 != main_~tmp~0; 530#L103 ~switchedOnBeforeTS~0 := 0; 531#L564 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 504#L585-1 [2018-12-01 07:47:24,600 INFO L796 eck$LassoCheckResult]: Loop: 504#L585-1 assume !false; 505#L868 assume test_~splverifierCounter~0 < 4; 544#L869 test_~tmp~7 := test_#t~nondet69;havoc test_#t~nondet69; 486#L877 assume !(0 != test_~tmp~7); 488#L877-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 617#L887 assume !(0 != test_~tmp___0~2); 614#L887-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 613#L897 assume 0 != test_~tmp___2~0; 522#L903-2 havoc __utac_acc__Specification5_spec__2_#t~ret37;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 523#L797 __utac_acc__Specification5_spec__2_#t~ret37 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret37;havoc __utac_acc__Specification5_spec__2_#t~ret37; 598#L574 assume !(0 != ~pumpRunning~0); 594#L712 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 552#L744 assume !(0 != ~pumpRunning~0); 553#L719 havoc __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_#t~ret39, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 577#L686 __utac_acc__Specification5_spec__3_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 495#L585 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 496#L797-1 __utac_acc__Specification5_spec__3_#t~ret39 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret39;havoc __utac_acc__Specification5_spec__3_#t~ret39; 526#L589 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 504#L585-1 [2018-12-01 07:47:24,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-01 07:47:24,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1435857662, now seen corresponding path program 1 times [2018-12-01 07:47:24,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,629 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 07:47:24,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 07:47:24,635 INFO L82 PathProgramCache]: Analyzing trace with hash 994612932, now seen corresponding path program 1 times [2018-12-01 07:47:24,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 07:47:24,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 07:47:24,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 07:47:24,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 07:47:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 07:47:28,254 WARN L180 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-01 07:47:29,870 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-01 07:47:29,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 07:47:29 BoogieIcfgContainer [2018-12-01 07:47:29,900 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 07:47:29,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 07:47:29,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 07:47:29,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 07:47:29,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:47:23" (3/4) ... [2018-12-01 07:47:29,903 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-01 07:47:29,936 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55bb39e7-d232-4d78-9baa-b08723207b5d/bin-2019/uautomizer/witness.graphml [2018-12-01 07:47:29,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 07:47:29,937 INFO L168 Benchmark]: Toolchain (without parser) took 6729.54 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 956.0 MB in the beginning and 911.3 MB in the end (delta: 44.7 MB). Peak memory consumption was 347.7 MB. Max. memory is 11.5 GB. [2018-12-01 07:47:29,938 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 07:47:29,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-01 07:47:29,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.76 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. [2018-12-01 07:47:29,938 INFO L168 Benchmark]: Boogie Preprocessor took 28.48 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. [2018-12-01 07:47:29,939 INFO L168 Benchmark]: RCFGBuilder took 325.50 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: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2018-12-01 07:47:29,939 INFO L168 Benchmark]: BuchiAutomizer took 6011.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 911.3 MB in the end (delta: 137.1 MB). Peak memory consumption was 357.9 MB. Max. memory is 11.5 GB. [2018-12-01 07:47:29,939 INFO L168 Benchmark]: Witness Printer took 36.07 ms. Allocated memory is still 1.3 GB. Free memory is still 911.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 07:47:29,941 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.76 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. * Boogie Preprocessor took 28.48 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 325.50 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: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6011.14 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 911.3 MB in the end (delta: 137.1 MB). Peak memory consumption was 357.9 MB. Max. memory is 11.5 GB. * Witness Printer took 36.07 ms. Allocated memory is still 1.3 GB. Free memory is still 911.3 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 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. 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, 69 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 260 SDtfs, 640 SDslu, 300 SDs, 0 SdLazy, 90 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 867]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=14, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=38, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23a9708c=0, NULL=0, NULL=19, NULL=20, tmp=1, tmp=0, NULL=0, tmp___1=0, NULL=26, NULL=29, NULL=34, NULL=27, retValue_acc=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=23, NULL=8, \result=0, NULL=15, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7de1cfab=0, NULL=0, NULL=17, NULL=0, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=16, NULL=11, \result=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14729114=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28043236=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@362f8a69=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45fc4f90=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@497d0f2f=0, NULL=40, NULL=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3237f90d=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1251d5b3=0, NULL=31, retValue_acc=1, tmp___2=56, tmp___0=0, NULL=24, splverifierCounter=0, NULL=0, NULL=12, head=0, NULL=0, tmp=0, NULL=28, NULL=0, NULL=35, NULL=0, NULL=22, NULL=0, NULL=0, NULL=18, NULL=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L558] int switchedOnBeforeTS ; [L611] int waterLevel = 1; [L612] int methaneLevelCritical = 0; [L702] int pumpRunning = 0; [L703] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L563] switchedOnBeforeTS = 0 [L858] int splverifierCounter ; [L859] int tmp ; [L860] int tmp___0 ; [L861] int tmp___1 ; [L862] int tmp___2 ; [L865] splverifierCounter = 0 Loop: [L867] COND TRUE 1 [L869] COND TRUE splverifierCounter < 4 [L875] tmp = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp)) [L885] tmp___0 = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp___0)) [L895] tmp___2 = __VERIFIER_nondet_int() [L897] COND TRUE \read(tmp___2) [L793] int retValue_acc ; [L796] retValue_acc = pumpRunning [L797] return (retValue_acc); [L572] switchedOnBeforeTS = isPumpRunning() [L712] COND FALSE !(\read(pumpRunning)) [L719] COND TRUE \read(systemActive) [L741] int tmp ; [L744] COND FALSE !(\read(pumpRunning)) [L578] int tmp ; [L579] int tmp___0 ; [L682] int retValue_acc ; [L685] retValue_acc = waterLevel [L686] return (retValue_acc); [L583] tmp = getWaterLevel() [L585] COND TRUE tmp != 2 [L793] int retValue_acc ; [L796] retValue_acc = pumpRunning [L797] return (retValue_acc); [L587] tmp___0 = isPumpRunning() [L589] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...