./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.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_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:32:14,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:32:14,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:32:14,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:32:14,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:32:14,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:32:14,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:32:14,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:32:14,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:32:14,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:32:14,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:32:14,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:32:14,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:32:14,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:32:14,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:32:14,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:32:14,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:32:14,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:32:14,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:32:14,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:32:14,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:32:14,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:32:14,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:32:14,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:32:14,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:32:14,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:32:14,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:32:14,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:32:14,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:32:14,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:32:14,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:32:14,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:32:14,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:32:14,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:32:14,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:32:14,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:32:14,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:32:14,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:32:14,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:32:14,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:32:14,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:32:14,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:32:14,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:32:14,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:32:14,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:32:14,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:32:14,690 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:32:14,690 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:32:14,691 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:32:14,691 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:32:14,691 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:32:14,692 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:32:14,692 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:32:14,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:32:14,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:32:14,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:32:14,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:32:14,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:32:14,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:32:14,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:32:14,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:32:14,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:32:14,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:32:14,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:32:14,695 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:32:14,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:32:14,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:32:14,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:32:14,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:32:14,696 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:32:14,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:32:14,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:32:14,697 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:32:14,698 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:32:14,698 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_23adac1b-b74b-4135-9dec-86f96663d969/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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2019-11-20 03:32:14,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:32:14,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:32:14,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:32:14,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:32:14,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:32:14,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-11-20 03:32:14,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/data/61712957d/7e0730d07d56490caedd226a13d140b2/FLAG47f8a440e [2019-11-20 03:32:15,429 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:32:15,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/sv-benchmarks/c/product-lines/minepump_spec3_product15.cil.c [2019-11-20 03:32:15,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/data/61712957d/7e0730d07d56490caedd226a13d140b2/FLAG47f8a440e [2019-11-20 03:32:15,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/data/61712957d/7e0730d07d56490caedd226a13d140b2 [2019-11-20 03:32:15,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:32:15,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:32:15,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:32:15,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:32:15,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:32:15,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:32:15" (1/1) ... [2019-11-20 03:32:15,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452de228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:15, skipping insertion in model container [2019-11-20 03:32:15,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:32:15" (1/1) ... [2019-11-20 03:32:15,773 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:32:15,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:32:16,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:32:16,324 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:32:16,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:32:16,445 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:32:16,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16 WrapperNode [2019-11-20 03:32:16,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:32:16,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:32:16,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:32:16,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:32:16,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:32:16,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:32:16,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:32:16,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:32:16,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... [2019-11-20 03:32:16,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:32:16,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:32:16,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:32:16,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:32:16,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/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 03:32:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:32:16,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 03:32:16,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:32:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:32:17,575 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:32:17,576 INFO L285 CfgBuilder]: Removed 106 assume(true) statements. [2019-11-20 03:32:17,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:32:17 BoogieIcfgContainer [2019-11-20 03:32:17,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:32:17,578 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:32:17,578 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:32:17,582 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:32:17,583 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:32:17,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:32:15" (1/3) ... [2019-11-20 03:32:17,584 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f9f0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:32:17, skipping insertion in model container [2019-11-20 03:32:17,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:32:17,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:32:16" (2/3) ... [2019-11-20 03:32:17,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f9f0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:32:17, skipping insertion in model container [2019-11-20 03:32:17,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:32:17,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:32:17" (3/3) ... [2019-11-20 03:32:17,588 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2019-11-20 03:32:17,642 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:32:17,645 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:32:17,645 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:32:17,646 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:32:17,646 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:32:17,646 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:32:17,646 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:32:17,646 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:32:17,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 03:32:17,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 03:32:17,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:32:17,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:32:17,715 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:32:17,715 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:32:17,716 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:32:17,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-20 03:32:17,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-20 03:32:17,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:32:17,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:32:17,723 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:32:17,724 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:32:17,730 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 41#L897true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 49#L905true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 52#L817true assume 0 != main_~tmp~6; 39#L791true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L847-1true [2019-11-20 03:32:17,731 INFO L796 eck$LassoCheckResult]: Loop: 56#L847-1true assume !false; 57#L229true assume test_~splverifierCounter~0 < 4; 4#L230true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 36#L238true assume !(0 != test_~tmp~2); 35#L238-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 20#L248true assume !(0 != test_~tmp___0~0); 18#L248-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 71#L258true assume 0 != test_~tmp___2~0; 27#L264-1true assume !(0 != ~pumpRunning~0); 74#L57true assume !(0 != ~systemActive~0); 66#L64true havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 28#L695-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 12#L841true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 56#L847-1true [2019-11-20 03:32:17,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:17,738 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 03:32:17,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:17,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966392521] [2019-11-20 03:32:17,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:18,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:18,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:18,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310530, now seen corresponding path program 1 times [2019-11-20 03:32:18,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:18,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493868487] [2019-11-20 03:32:18,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:18,143 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:18,156 INFO L82 PathProgramCache]: Analyzing trace with hash 40968408, now seen corresponding path program 1 times [2019-11-20 03:32:18,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:18,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951006246] [2019-11-20 03:32:18,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:32:18,369 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 03:32:18,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951006246] [2019-11-20 03:32:18,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:32:18,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:32:18,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988454173] [2019-11-20 03:32:18,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:32:18,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:32:18,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:32:18,510 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-20 03:32:18,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:32:18,787 INFO L93 Difference]: Finished difference Result 198 states and 273 transitions. [2019-11-20 03:32:18,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:32:18,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 273 transitions. [2019-11-20 03:32:18,801 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2019-11-20 03:32:18,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 252 transitions. [2019-11-20 03:32:18,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2019-11-20 03:32:18,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2019-11-20 03:32:18,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 252 transitions. [2019-11-20 03:32:18,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:32:18,815 INFO L688 BuchiCegarLoop]: Abstraction has 177 states and 252 transitions. [2019-11-20 03:32:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 252 transitions. [2019-11-20 03:32:18,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 114. [2019-11-20 03:32:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-20 03:32:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-11-20 03:32:18,860 INFO L711 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 03:32:18,861 INFO L591 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 03:32:18,861 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:32:18,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-11-20 03:32:18,864 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-11-20 03:32:18,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:32:18,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:32:18,866 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:32:18,866 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:32:18,867 INFO L794 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 302#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 303#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 339#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 349#L817 assume 0 != main_~tmp~6; 337#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 307#L847-1 [2019-11-20 03:32:18,867 INFO L796 eck$LassoCheckResult]: Loop: 307#L847-1 assume !false; 353#L229 assume test_~splverifierCounter~0 < 4; 290#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 291#L238 assume !(0 != test_~tmp~2); 330#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 316#L248 assume !(0 != test_~tmp___0~0); 314#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 315#L258 assume 0 != test_~tmp___2~0; 323#L264-1 assume !(0 != ~pumpRunning~0); 312#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 352#L89 assume !(0 != ~pumpRunning~0); 342#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 324#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 306#L841 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 307#L847-1 [2019-11-20 03:32:18,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:18,868 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 03:32:18,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:18,868 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019751004] [2019-11-20 03:32:18,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:19,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:19,021 INFO L82 PathProgramCache]: Analyzing trace with hash -353546770, now seen corresponding path program 1 times [2019-11-20 03:32:19,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:19,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536181285] [2019-11-20 03:32:19,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:19,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:19,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492756, now seen corresponding path program 1 times [2019-11-20 03:32:19,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:19,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017898175] [2019-11-20 03:32:19,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:32:19,202 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 03:32:19,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017898175] [2019-11-20 03:32:19,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:32:19,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:32:19,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259524493] [2019-11-20 03:32:19,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:32:19,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 03:32:19,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 03:32:19,324 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. cyclomatic complexity: 51 Second operand 5 states. [2019-11-20 03:32:19,458 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-20 03:32:19,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:32:19,717 INFO L93 Difference]: Finished difference Result 367 states and 533 transitions. [2019-11-20 03:32:19,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:32:19,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 533 transitions. [2019-11-20 03:32:19,726 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 271 [2019-11-20 03:32:19,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 367 states and 533 transitions. [2019-11-20 03:32:19,738 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2019-11-20 03:32:19,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2019-11-20 03:32:19,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 533 transitions. [2019-11-20 03:32:19,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:32:19,748 INFO L688 BuchiCegarLoop]: Abstraction has 367 states and 533 transitions. [2019-11-20 03:32:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 533 transitions. [2019-11-20 03:32:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 222. [2019-11-20 03:32:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-11-20 03:32:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 310 transitions. [2019-11-20 03:32:19,786 INFO L711 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2019-11-20 03:32:19,787 INFO L591 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2019-11-20 03:32:19,787 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 03:32:19,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 310 transitions. [2019-11-20 03:32:19,790 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 160 [2019-11-20 03:32:19,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:32:19,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:32:19,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:32:19,793 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:32:19,793 INFO L794 eck$LassoCheckResult]: Stem: 838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #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.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 803#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 804#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 848#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 861#L817 assume 0 != main_~tmp~6; 846#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 847#L847-1 [2019-11-20 03:32:19,793 INFO L796 eck$LassoCheckResult]: Loop: 847#L847-1 assume !false; 983#L229 assume test_~splverifierCounter~0 < 4; 984#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 993#L238 assume !(0 != test_~tmp~2); 991#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 989#L248 assume !(0 != test_~tmp___0~0); 987#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 985#L258 assume 0 != test_~tmp___2~0; 831#L264-1 assume !(0 != ~pumpRunning~0); 997#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 864#L89 assume !(0 != ~pumpRunning~0); 852#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 827#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 828#L841 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 791#L727 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 792#L847 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 847#L847-1 [2019-11-20 03:32:19,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:19,795 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 03:32:19,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:19,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961834349] [2019-11-20 03:32:19,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,937 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:19,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:19,938 INFO L82 PathProgramCache]: Analyzing trace with hash -456023616, now seen corresponding path program 1 times [2019-11-20 03:32:19,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:19,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525440364] [2019-11-20 03:32:19,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:19,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:19,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:32:19,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1828298394, now seen corresponding path program 1 times [2019-11-20 03:32:19,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:32:19,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571144797] [2019-11-20 03:32:19,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:32:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:32:20,039 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:32:50,737 WARN L191 SmtUtils]: Spent 30.56 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 03:33:08,236 WARN L191 SmtUtils]: Spent 17.50 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 03:33:08,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:33:08 BoogieIcfgContainer [2019-11-20 03:33:08,319 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:33:08,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:33:08,320 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:33:08,320 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:33:08,321 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:32:17" (3/4) ... [2019-11-20 03:33:08,324 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 03:33:08,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_23adac1b-b74b-4135-9dec-86f96663d969/bin/uautomizer/witness.graphml [2019-11-20 03:33:08,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:33:08,386 INFO L168 Benchmark]: Toolchain (without parser) took 52630.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,387 INFO L168 Benchmark]: CDTParser took 7.03 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:33:08,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.92 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,389 INFO L168 Benchmark]: Boogie Preprocessor took 61.37 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 03:33:08,389 INFO L168 Benchmark]: RCFGBuilder took 936.32 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,390 INFO L168 Benchmark]: BuchiAutomizer took 50741.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 247.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,391 INFO L168 Benchmark]: Witness Printer took 65.35 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:33:08,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 7.03 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 694.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.92 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.37 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 936.32 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50741.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.2 MB). Peak memory consumption was 247.6 MB. Max. memory is 11.5 GB. * Witness Printer took 65.35 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: 9.0 MB). Peak memory consumption was 9.0 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 6 locations. The remainder module has 222 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 49.7s. Construction of modules took 0.3s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 222 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 221 SDtfs, 705 SDslu, 919 SDs, 0 SdLazy, 121 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s 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: 228]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2436} State at position 1 is {NULL=0, NULL=2445, NULL=2451, NULL=0, NULL=0, NULL=2436, NULL=2452, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6388, retValue_acc=0, NULL=0, NULL=0, methaneLevelCritical=0, NULL=6387, tmp=0, NULL=0, NULL=6381, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f9f0d19=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fc12a4=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ab8a313=0, cleanupTimeShifts=4, NULL=2437, NULL=6386, NULL=2442, NULL=2444, NULL=2453, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=2440, NULL=0, retValue_acc=0, NULL=2438, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7589e6a9=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2441, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70d3fa2a=0, NULL=6382, head=0, pumpRunning=0, \result=0, NULL=2448, NULL=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d33631f=0, NULL=2450, retValue_acc=1, NULL=2443, retValue_acc=1, tmp___2=53, splverifierCounter=0, NULL=0, \result=0, NULL=6385, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69908fed=0, tmp=0, NULL=2446, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@318b6023=53, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46dbaa3b=0, NULL=2439, NULL=6384, NULL=2449, NULL=6383, NULL=2447} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 Loop: [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND FALSE !(\read(tmp)) [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); [L845] tmp___0 = getWaterLevel() [L847] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...