./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/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 764a558f84753bff2f3381f04a56ebf221297041 ............................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-20 00:06:02,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:06:02,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:06:02,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:06:02,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:06:02,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:06:02,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:06:02,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:06:02,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:06:02,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:06:02,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:06:02,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:06:02,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:06:02,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:06:02,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:06:02,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:06:02,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:06:02,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:06:02,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:06:02,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:06:02,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:06:02,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:06:02,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:06:02,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:06:02,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:06:02,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:06:02,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:06:02,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:06:02,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:06:02,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:06:02,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:06:02,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:06:02,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:06:02,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:06:02,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:06:02,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:06:02,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:06:02,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:06:02,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:06:02,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:06:02,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:06:02,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:06:02,578 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:06:02,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:06:02,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:06:02,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:06:02,592 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:06:02,592 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:06:02,593 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:06:02,593 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:06:02,593 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:06:02,593 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:06:02,594 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:06:02,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:06:02,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:06:02,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:06:02,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:06:02,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:06:02,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:06:02,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:06:02,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:06:02,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:06:02,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:06:02,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:06:02,597 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:06:02,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:06:02,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:06:02,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:06:02,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:06:02,598 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:06:02,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:06:02,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:06:02,599 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:06:02,600 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:06:02,601 INFO L138 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/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/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 -> 764a558f84753bff2f3381f04a56ebf221297041 [2019-11-20 00:06:02,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:06:02,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:06:02,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:06:02,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:06:02,833 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:06:02,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2019-11-20 00:06:02,905 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/data/4c34fb38e/a7ec6db8c19745bf8f390b7ec42060cf/FLAG4f48ea665 [2019-11-20 00:06:03,382 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:06:03,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/sv-benchmarks/c/product-lines/minepump_spec4_product38.cil.c [2019-11-20 00:06:03,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/data/4c34fb38e/a7ec6db8c19745bf8f390b7ec42060cf/FLAG4f48ea665 [2019-11-20 00:06:03,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/data/4c34fb38e/a7ec6db8c19745bf8f390b7ec42060cf [2019-11-20 00:06:03,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:06:03,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:06:03,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:06:03,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:06:03,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:06:03,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:03" (1/1) ... [2019-11-20 00:06:03,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408f6955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:03, skipping insertion in model container [2019-11-20 00:06:03,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:06:03" (1/1) ... [2019-11-20 00:06:03,754 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:06:03,806 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:06:04,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:06:04,245 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:06:04,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:06:04,438 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:06:04,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04 WrapperNode [2019-11-20 00:06:04,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:06:04,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:06:04,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:06:04,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:06:04,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:06:04,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:06:04,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:06:04,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:06:04,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... [2019-11-20 00:06:04,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:06:04,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:06:04,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:06:04,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:06:04,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/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 [2019-11-20 00:06:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:06:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:06:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:06:04,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:06:05,725 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:06:05,726 INFO L285 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-20 00:06:05,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:05 BoogieIcfgContainer [2019-11-20 00:06:05,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:06:05,728 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:06:05,728 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:06:05,733 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:06:05,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:06:05,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:06:03" (1/3) ... [2019-11-20 00:06:05,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9e562ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:06:05, skipping insertion in model container [2019-11-20 00:06:05,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:06:05,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:06:04" (2/3) ... [2019-11-20 00:06:05,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9e562ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:06:05, skipping insertion in model container [2019-11-20 00:06:05,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:06:05,737 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:05" (3/3) ... [2019-11-20 00:06:05,738 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product38.cil.c [2019-11-20 00:06:05,806 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:06:05,807 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:06:05,807 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:06:05,807 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:06:05,808 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:06:05,808 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:06:05,808 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:06:05,808 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:06:05,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-20 00:06:05,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-20 00:06:05,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:06:05,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:06:05,894 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:06:05,895 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:06:05,895 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:06:05,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2019-11-20 00:06:05,915 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2019-11-20 00:06:05,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:06:05,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:06:05,916 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:06:05,917 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:06:05,930 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 10#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; 49#L923true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 54#L931true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 61#L130true assume 0 != main_~tmp~0; 18#L103true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 94#L261-1true [2019-11-20 00:06:05,932 INFO L796 eck$LassoCheckResult]: Loop: 94#L261-1true assume !false; 109#L291true assume test_~splverifierCounter~0 < 4; 70#L292true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 81#L300true assume !(0 != test_~tmp~2); 80#L300-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 5#L310true assume !(0 != test_~tmp___0~1); 7#L310-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 56#L320true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 62#L328-2true assume !(0 != ~pumpRunning~0); 32#L356true assume !(0 != ~systemActive~0); 85#L363true havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 47#L224true __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 82#L261true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 94#L261-1true [2019-11-20 00:06:05,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:05,939 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 00:06:05,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:05,950 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987765006] [2019-11-20 00:06:05,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:06,414 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:06:06,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:06,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1679036349, now seen corresponding path program 1 times [2019-11-20 00:06:06,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:06,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113338135] [2019-11-20 00:06:06,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:06:06,483 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113338135] [2019-11-20 00:06:06,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:06:06,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:06:06,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24192366] [2019-11-20 00:06:06,491 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 00:06:06,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:06:06,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:06:06,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:06:06,510 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 3 states. [2019-11-20 00:06:06,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:06:06,587 INFO L93 Difference]: Finished difference Result 108 states and 155 transitions. [2019-11-20 00:06:06,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:06:06,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 155 transitions. [2019-11-20 00:06:06,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 00:06:06,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 147 transitions. [2019-11-20 00:06:06,599 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2019-11-20 00:06:06,600 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2019-11-20 00:06:06,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 147 transitions. [2019-11-20 00:06:06,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:06:06,602 INFO L688 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-11-20 00:06:06,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 147 transitions. [2019-11-20 00:06:06,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-20 00:06:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-20 00:06:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2019-11-20 00:06:06,638 INFO L711 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-11-20 00:06:06,639 INFO L591 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2019-11-20 00:06:06,639 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:06:06,639 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 147 transitions. [2019-11-20 00:06:06,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-20 00:06:06,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:06:06,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:06:06,642 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:06:06,642 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:06:06,643 INFO L794 eck$LassoCheckResult]: Stem: 317#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 238#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; 239#L923 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 301#L931 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 307#L130 assume 0 != main_~tmp~0; 249#L103 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 250#L261-1 [2019-11-20 00:06:06,643 INFO L796 eck$LassoCheckResult]: Loop: 250#L261-1 assume !false; 324#L291 assume test_~splverifierCounter~0 < 4; 311#L292 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 312#L300 assume !(0 != test_~tmp~2); 318#L300-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 229#L310 assume !(0 != test_~tmp___0~1); 230#L310-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 233#L320 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 308#L328-2 assume !(0 != ~pumpRunning~0); 274#L356 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 258#L414 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 259#L388-1 assume !(0 == ~pumpRunning~0); 263#L363 havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 298#L224 __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 299#L261 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 250#L261-1 [2019-11-20 00:06:06,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:06,643 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 00:06:06,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:06,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720460919] [2019-11-20 00:06:06,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:06,759 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:06:06,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:06,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1086510022, now seen corresponding path program 1 times [2019-11-20 00:06:06,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:06,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510666299] [2019-11-20 00:06:06,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:06:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:06:06,785 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510666299] [2019-11-20 00:06:06,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:06:06,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:06:06,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600301769] [2019-11-20 00:06:06,786 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 00:06:06,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:06:06,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:06:06,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:06:06,787 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. cyclomatic complexity: 48 Second operand 3 states. [2019-11-20 00:06:06,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:06:06,917 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions. [2019-11-20 00:06:06,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:06:06,918 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 195 transitions. [2019-11-20 00:06:06,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2019-11-20 00:06:06,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 195 transitions. [2019-11-20 00:06:06,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2019-11-20 00:06:06,924 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2019-11-20 00:06:06,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 195 transitions. [2019-11-20 00:06:06,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:06:06,926 INFO L688 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-11-20 00:06:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 195 transitions. [2019-11-20 00:06:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-20 00:06:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-20 00:06:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 195 transitions. [2019-11-20 00:06:06,936 INFO L711 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-11-20 00:06:06,937 INFO L591 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2019-11-20 00:06:06,937 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 00:06:06,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 195 transitions. [2019-11-20 00:06:06,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2019-11-20 00:06:06,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:06:06,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:06:06,940 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:06:06,940 INFO L850 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] [2019-11-20 00:06:06,940 INFO L794 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25); 487#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; 488#L923 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 552#L931 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 560#L130 assume 0 != main_~tmp~0; 499#L103 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 500#L261-1 [2019-11-20 00:06:06,940 INFO L796 eck$LassoCheckResult]: Loop: 500#L261-1 assume !false; 582#L291 assume test_~splverifierCounter~0 < 4; 564#L292 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 565#L300 assume !(0 != test_~tmp~2); 571#L300-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 478#L310 assume !(0 != test_~tmp___0~1); 479#L310-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 482#L320 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 561#L328-2 assume !(0 != ~pumpRunning~0); 523#L356 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 508#L414 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 509#L388-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 534#L232-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 535#L237-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 501#L516-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 502#L516-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 505#L522-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 516#L392-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 513#L363 havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 601#L224 __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 598#L261 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 500#L261-1 [2019-11-20 00:06:06,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 00:06:06,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:06,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411382975] [2019-11-20 00:06:06,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,033 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:06:07,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:07,034 INFO L82 PathProgramCache]: Analyzing trace with hash -849194650, now seen corresponding path program 1 times [2019-11-20 00:06:07,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:07,034 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191881934] [2019-11-20 00:06:07,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:06:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:06:07,060 INFO L82 PathProgramCache]: Analyzing trace with hash -393123456, now seen corresponding path program 1 times [2019-11-20 00:06:07,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:06:07,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445627206] [2019-11-20 00:06:07,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:06:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:06:07,223 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:06:07,419 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-20 00:06:37,443 WARN L191 SmtUtils]: Spent 29.91 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 00:06:54,105 WARN L191 SmtUtils]: Spent 16.66 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 00:06:54,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:06:54 BoogieIcfgContainer [2019-11-20 00:06:54,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:06:54,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:06:54,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:06:54,214 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:06:54,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:06:05" (3/4) ... [2019-11-20 00:06:54,218 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 00:06:54,314 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18a6d14d-c03d-46f0-9d9b-a563fa98813b/bin/uautomizer/witness.graphml [2019-11-20 00:06:54,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:06:54,321 INFO L168 Benchmark]: Toolchain (without parser) took 50585.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -275.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,322 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:06:54,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,325 INFO L168 Benchmark]: Boogie Preprocessor took 110.52 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. [2019-11-20 00:06:54,325 INFO L168 Benchmark]: RCFGBuilder took 1066.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,326 INFO L168 Benchmark]: BuchiAutomizer took 48485.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -168.5 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,326 INFO L168 Benchmark]: Witness Printer took 106.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:06:54,330 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.52 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 1066.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48485.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -168.5 MB). Peak memory consumption was 376.4 MB. Max. memory is 11.5 GB. * Witness Printer took 106.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 47.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 301 SDtfs, 255 SDslu, 57 SDs, 0 SdLazy, 33 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 290]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9061} State at position 1 is {NULL=0, NULL=0, NULL=9860, NULL=9862, retValue_acc=0, NULL=9061, NULL=0, NULL=24727, NULL=9867, methaneLevelCritical=0, NULL=9868, tmp___0=0, retValue_acc=1, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3968c962=0, NULL=0, NULL=0, NULL=9861, NULL=0, NULL=9858, NULL=0, NULL=9864, tmp___1=0, NULL=9863, retValue_acc=0, NULL=9063, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, tmp=0, cleanupTimeShifts=4, NULL=9064, NULL=9859, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=9856, \result=1, NULL=24725, \result=0, NULL=0, retValue_acc=1, NULL=15723, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9857, \result=1, head=0, pumpRunning=0, tmp=1, NULL=24724, \result=0, NULL=9865, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43ce18a5=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3141d3fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@faef79a=0, NULL=9855, NULL=0, NULL=0, NULL=9065, \result=1, NULL=9869, tmp=1, tmp___2=53, tmp=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=9866, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bff5886=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@443a0904=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45ad6f44=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d29894=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61c75c09=0, NULL=24723, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f9d30bb=0, NULL=9062, NULL=0, NULL=24726} - 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; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 Loop: [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND TRUE \read(tmp___2) [L530] systemActive = 1 [L356] COND FALSE !(\read(pumpRunning)) [L363] COND TRUE \read(systemActive) [L411] int tmp ; [L414] COND FALSE !(\read(pumpRunning)) [L385] int tmp ; [L388] COND TRUE ! pumpRunning [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; [L229] int retValue_acc ; [L232] COND TRUE waterLevel < 2 [L233] retValue_acc = 1 [L234] return (retValue_acc); [L514] tmp = isHighWaterSensorDry() [L516] COND TRUE \read(tmp) [L517] tmp___0 = 0 [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); [L390] tmp = isHighWaterLevel() [L392] COND FALSE !(\read(tmp)) [L254] int tmp ; [L255] int tmp___0 ; [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...