./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.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_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/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 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2019-11-19 21:46:39,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:46:39,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:46:39,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:46:39,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:46:39,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:46:39,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:46:39,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:46:39,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:46:39,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:46:39,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:46:39,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:46:39,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:46:39,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:46:39,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:46:39,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:46:39,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:46:39,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:46:39,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:46:39,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:46:39,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:46:39,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:46:39,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:46:39,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:46:39,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:46:39,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:46:39,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:46:39,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:46:39,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:46:39,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:46:39,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:46:39,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:46:39,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:46:39,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:46:39,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:46:39,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:46:39,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:46:39,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:46:39,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:46:39,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:46:39,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:46:39,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 21:46:39,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:46:39,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:46:39,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:46:39,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:46:39,733 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:46:39,733 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 21:46:39,733 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 21:46:39,734 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 21:46:39,734 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 21:46:39,734 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 21:46:39,734 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 21:46:39,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:46:39,735 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:46:39,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 21:46:39,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:46:39,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:46:39,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:46:39,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 21:46:39,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 21:46:39,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 21:46:39,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:46:39,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:46:39,737 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 21:46:39,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:46:39,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 21:46:39,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:46:39,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:46:39,738 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 21:46:39,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:46:39,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:46:39,739 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 21:46:39,740 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 21:46:39,740 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_b750411a-f353-48a9-9a69-8d909191cb8a/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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2019-11-19 21:46:39,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:46:39,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:46:39,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:46:39,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:46:39,900 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:46:39,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-11-19 21:46:39,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/data/e1f6e591a/c500d00b384746dda08ab6333527eadb/FLAG0e67624bc [2019-11-19 21:46:40,432 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:46:40,433 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/sv-benchmarks/c/product-lines/minepump_spec3_product08.cil.c [2019-11-19 21:46:40,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/data/e1f6e591a/c500d00b384746dda08ab6333527eadb/FLAG0e67624bc [2019-11-19 21:46:40,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/data/e1f6e591a/c500d00b384746dda08ab6333527eadb [2019-11-19 21:46:40,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:46:40,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:46:40,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:46:40,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:46:40,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:46:40,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:46:40" (1/1) ... [2019-11-19 21:46:40,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d00688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:40, skipping insertion in model container [2019-11-19 21:46:40,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:46:40" (1/1) ... [2019-11-19 21:46:40,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:46:40,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:46:41,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:46:41,361 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:46:41,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:46:41,489 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:46:41,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41 WrapperNode [2019-11-19 21:46:41,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:46:41,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:46:41,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:46:41,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:46:41,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:46:41,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:46:41,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:46:41,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:46:41,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... [2019-11-19 21:46:41,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:46:41,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:46:41,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:46:41,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:46:41,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/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 [2019-11-19 21:46:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:46:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:46:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:46:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:46:42,433 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:46:42,434 INFO L285 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-19 21:46:42,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:46:42 BoogieIcfgContainer [2019-11-19 21:46:42,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:46:42,436 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 21:46:42,436 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 21:46:42,439 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 21:46:42,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 21:46:42,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 09:46:40" (1/3) ... [2019-11-19 21:46:42,441 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72457980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 09:46:42, skipping insertion in model container [2019-11-19 21:46:42,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 21:46:42,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:46:41" (2/3) ... [2019-11-19 21:46:42,442 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72457980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 09:46:42, skipping insertion in model container [2019-11-19 21:46:42,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 21:46:42,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:46:42" (3/3) ... [2019-11-19 21:46:42,444 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2019-11-19 21:46:42,491 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 21:46:42,491 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 21:46:42,491 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 21:46:42,491 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:46:42,491 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:46:42,492 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 21:46:42,492 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:46:42,492 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 21:46:42,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-19 21:46:42,541 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 21:46:42,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 21:46:42,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 21:46:42,552 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 21:46:42,552 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:46:42,552 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 21:46:42,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-19 21:46:42,559 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 21:46:42,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 21:46:42,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 21:46:42,560 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 21:46:42,560 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:46:42,565 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);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(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 41#L794true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 47#L802true main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 18#L889true assume 0 != main_~tmp~6; 4#L866true havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L59-1true [2019-11-19 21:46:42,565 INFO L796 eck$LassoCheckResult]: Loop: 19#L59-1true assume !false; 14#L552true assume test_~splverifierCounter~0 < 4; 30#L553true test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 65#L561true assume !(0 != test_~tmp~4); 67#L561-1true test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 39#L571true assume !(0 != test_~tmp___0~1); 42#L571-1true test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 17#L581true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 25#L589-1true assume !(0 != ~pumpRunning~0); 71#L620true assume !(0 != ~systemActive~0); 60#L627true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 55#L491-1true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 75#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 19#L59-1true [2019-11-19 21:46:42,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:42,572 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 21:46:42,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:42,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079055308] [2019-11-19 21:46:42,579 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:42,865 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:42,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:42,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356225, now seen corresponding path program 1 times [2019-11-19 21:46:42,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:42,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154902186] [2019-11-19 21:46:42,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:46:42,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:46:42,928 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154902186] [2019-11-19 21:46:42,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:46:42,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:46:42,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670735482] [2019-11-19 21:46:42,934 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 21:46:42,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:46:42,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:46:42,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:46:42,947 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-11-19 21:46:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:46:43,017 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-11-19 21:46:43,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:46:43,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-11-19 21:46:43,028 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-11-19 21:46:43,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-11-19 21:46:43,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-11-19 21:46:43,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-11-19 21:46:43,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-11-19 21:46:43,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 21:46:43,041 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-11-19 21:46:43,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-11-19 21:46:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-11-19 21:46:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-19 21:46:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-11-19 21:46:43,103 INFO L711 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-19 21:46:43,103 INFO L591 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-11-19 21:46:43,103 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 21:46:43,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-11-19 21:46:43,113 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-11-19 21:46:43,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 21:46:43,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 21:46:43,116 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 21:46:43,116 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:46:43,117 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);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(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 240#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 241#L794 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 279#L802 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 251#L889 assume 0 != main_~tmp~6; 227#L866 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 228#L59-1 [2019-11-19 21:46:43,118 INFO L796 eck$LassoCheckResult]: Loop: 228#L59-1 assume !false; 331#L552 assume test_~splverifierCounter~0 < 4; 264#L553 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 265#L561 assume !(0 != test_~tmp~4); 296#L561-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 276#L571 assume !(0 != test_~tmp___0~1); 277#L571-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 248#L581 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L589-1 assume !(0 != ~pumpRunning~0); 259#L620 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 286#L652 assume !(0 != ~pumpRunning~0); 288#L627 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 291#L491-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 292#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 228#L59-1 [2019-11-19 21:46:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,118 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 21:46:43,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592519231] [2019-11-19 21:46:43,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,281 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:43,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,282 INFO L82 PathProgramCache]: Analyzing trace with hash -323963314, now seen corresponding path program 1 times [2019-11-19 21:46:43,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,282 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557325818] [2019-11-19 21:46:43,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,295 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:43,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076212, now seen corresponding path program 1 times [2019-11-19 21:46:43,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477043296] [2019-11-19 21:46:43,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:46:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:46:43,409 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477043296] [2019-11-19 21:46:43,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:46:43,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:46:43,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896863879] [2019-11-19 21:46:43,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:46:43,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:46:43,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:46:43,564 INFO L87 Difference]: Start difference. First operand 126 states and 180 transitions. cyclomatic complexity: 57 Second operand 5 states. [2019-11-19 21:46:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:46:43,821 INFO L93 Difference]: Finished difference Result 410 states and 598 transitions. [2019-11-19 21:46:43,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:46:43,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 410 states and 598 transitions. [2019-11-19 21:46:43,835 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 302 [2019-11-19 21:46:43,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 410 states to 410 states and 598 transitions. [2019-11-19 21:46:43,842 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 410 [2019-11-19 21:46:43,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 410 [2019-11-19 21:46:43,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 410 states and 598 transitions. [2019-11-19 21:46:43,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 21:46:43,847 INFO L688 BuchiCegarLoop]: Abstraction has 410 states and 598 transitions. [2019-11-19 21:46:43,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states and 598 transitions. [2019-11-19 21:46:43,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 246. [2019-11-19 21:46:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-11-19 21:46:43,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 346 transitions. [2019-11-19 21:46:43,870 INFO L711 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2019-11-19 21:46:43,871 INFO L591 BuchiCegarLoop]: Abstraction has 246 states and 346 transitions. [2019-11-19 21:46:43,871 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 21:46:43,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 346 transitions. [2019-11-19 21:46:43,873 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 176 [2019-11-19 21:46:43,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 21:46:43,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 21:46:43,874 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 21:46:43,875 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:46:43,875 INFO L794 eck$LassoCheckResult]: Stem: 825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);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(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #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(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4; 794#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 795#L794 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 838#L802 main_#t~ret71 := valid_product_#res;main_~tmp~6 := main_#t~ret71;havoc main_#t~ret71; 805#L889 assume 0 != main_~tmp~6; 781#L866 havoc test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 782#L59-1 [2019-11-19 21:46:43,875 INFO L796 eck$LassoCheckResult]: Loop: 782#L59-1 assume !false; 799#L552 assume test_~splverifierCounter~0 < 4; 800#L553 test_~tmp~4 := test_#t~nondet48;havoc test_#t~nondet48; 822#L561 assume !(0 != test_~tmp~4); 865#L561-1 test_~tmp___0~1 := test_#t~nondet49;havoc test_#t~nondet49; 835#L571 assume !(0 != test_~tmp___0~1); 836#L571-1 test_~tmp___2~0 := test_#t~nondet50;havoc test_#t~nondet50; 802#L581 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 803#L589-1 assume !(0 != ~pumpRunning~0); 815#L620 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 848#L652 assume !(0 != ~pumpRunning~0); 850#L627 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 856#L491-1 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 857#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 818#L523 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 819#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 782#L59-1 [2019-11-19 21:46:43,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,876 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 21:46:43,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,876 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367795425] [2019-11-19 21:46:43,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:43,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,961 INFO L82 PathProgramCache]: Analyzing trace with hash -2091093440, now seen corresponding path program 1 times [2019-11-19 21:46:43,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458116977] [2019-11-19 21:46:43,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:43,975 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:43,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:46:43,976 INFO L82 PathProgramCache]: Analyzing trace with hash 831599078, now seen corresponding path program 1 times [2019-11-19 21:46:43,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:46:43,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382367566] [2019-11-19 21:46:43,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:46:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:46:44,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:46:44,159 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-19 21:47:09,341 WARN L191 SmtUtils]: Spent 25.13 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 21:47:23,059 WARN L191 SmtUtils]: Spent 13.72 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 21:47:23,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 09:47:23 BoogieIcfgContainer [2019-11-19 21:47:23,135 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 21:47:23,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:47:23,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:47:23,135 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:47:23,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:46:42" (3/4) ... [2019-11-19 21:47:23,140 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 21:47:23,212 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b750411a-f353-48a9-9a69-8d909191cb8a/bin/uautomizer/witness.graphml [2019-11-19 21:47:23,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:47:23,214 INFO L168 Benchmark]: Toolchain (without parser) took 42288.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.7 MB). Free memory was 948.7 MB in the beginning and 1.0 GB in the end (delta: -76.0 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,215 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-19 21:47:23,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.66 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,216 INFO L168 Benchmark]: Boogie Preprocessor took 37.85 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. [2019-11-19 21:47:23,217 INFO L168 Benchmark]: RCFGBuilder took 836.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,217 INFO L168 Benchmark]: BuchiAutomizer took 40699.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.7 MB). Peak memory consumption was 242.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,218 INFO L168 Benchmark]: Witness Printer took 77.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:23,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 567.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.66 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.85 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 836.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40699.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.7 MB). Peak memory consumption was 242.2 MB. Max. memory is 11.5 GB. * Witness Printer took 77.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 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 5 locations. The remainder module has 246 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 40.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 166 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 246 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 224 SDtfs, 432 SDslu, 448 SDs, 0 SdLazy, 89 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 551]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7231} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22b018=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@baf9aa4=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555e3931=0, NULL=0, NULL=7248, NULL=0, NULL=7231, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@413359b0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f60f825=0, NULL=0, NULL=0, NULL=0, NULL=7238, NULL=0, retValue_acc=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@321e8206=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55ee8fda=57, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ca3c146=0, NULL=0, tmp=0, NULL=0, NULL=7243, NULL=7250, NULL=0, tmp___1=0, NULL=7240, tmp___0=1, NULL=7233, tmp=0, cleanupTimeShifts=4, NULL=7232, NULL=7236, NULL=7235, NULL=7246, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7239, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=7237, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=7255, \result=0, NULL=7234, NULL=0, NULL=0, NULL=0, tmp=1, NULL=7242, NULL=7249, NULL=7256, NULL=7253, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@468df6c8=0, tmp___2=57, retValue_acc=1, NULL=7245, tmp___0=0, NULL=7244, splverifierCounter=0, NULL=0, \result=0, NULL=7252, tmp___1=0, head=0, NULL=0, tmp=0, NULL=7241, NULL=0, NULL=7247, NULL=0, NULL=0, NULL=0, NULL=7254, NULL=7251} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; [L880] int retValue_acc ; [L881] int tmp ; [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 Loop: [L551] COND TRUE 1 [L553] COND TRUE splverifierCounter < 4 [L559] tmp = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp)) [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND TRUE \read(tmp___2) [L764] systemActive = 1 [L620] COND FALSE !(\read(pumpRunning)) [L627] COND TRUE \read(systemActive) [L649] int tmp ; [L652] COND FALSE !(\read(pumpRunning)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...