./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.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_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ............................................................................................................................................................................................................................................................................................................................................................... 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 03:58:18,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:58:18,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:58:18,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:58:18,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:58:18,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:58:18,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:58:18,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:58:18,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:58:18,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:58:18,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:58:18,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:58:18,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:58:18,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:58:18,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:58:18,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:58:18,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:58:18,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:58:18,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:58:18,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:58:18,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:58:18,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:58:18,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:58:18,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:58:18,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:58:18,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:58:18,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:58:18,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:58:18,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:58:18,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:58:18,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:58:18,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:58:18,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:58:18,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:58:18,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:58:18,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:58:18,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:58:18,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:58:18,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:58:18,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:58:18,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:58:18,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:58:18,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:58:18,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:58:18,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:58:18,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:58:18,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:58:18,910 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:58:18,910 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:58:18,910 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:58:18,910 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:58:18,910 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:58:18,911 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:58:18,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:58:18,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:58:18,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:58:18,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:58:18,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:58:18,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:58:18,913 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:58:18,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:58:18,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:58:18,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:58:18,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:58:18,914 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:58:18,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:58:18,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:58:18,914 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:58:18,915 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:58:18,915 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_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2019-11-20 03:58:19,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:58:19,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:58:19,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:58:19,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:58:19,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:58:19,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-11-20 03:58:19,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/data/d3afb1694/9483f14a8735410d811bca8315098363/FLAG595655b43 [2019-11-20 03:58:19,610 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:58:19,610 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2019-11-20 03:58:19,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/data/d3afb1694/9483f14a8735410d811bca8315098363/FLAG595655b43 [2019-11-20 03:58:19,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/data/d3afb1694/9483f14a8735410d811bca8315098363 [2019-11-20 03:58:19,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:58:19,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:58:19,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:58:19,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:58:19,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:58:19,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:58:19" (1/1) ... [2019-11-20 03:58:19,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73315974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:19, skipping insertion in model container [2019-11-20 03:58:19,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:58:19" (1/1) ... [2019-11-20 03:58:19,928 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:58:19,968 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:58:20,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:58:20,365 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:58:20,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:58:20,489 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:58:20,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20 WrapperNode [2019-11-20 03:58:20,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:58:20,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:58:20,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:58:20,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:58:20,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:58:20,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:58:20,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:58:20,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:58:20,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... [2019-11-20 03:58:20,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:58:20,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:58:20,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:58:20,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:58:20,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/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 03:58:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:58:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 03:58:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:58:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:58:21,376 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:58:21,376 INFO L285 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-20 03:58:21,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:21 BoogieIcfgContainer [2019-11-20 03:58:21,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:58:21,378 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:58:21,378 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:58:21,381 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:58:21,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:21,382 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:58:19" (1/3) ... [2019-11-20 03:58:21,383 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cfeefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:58:21, skipping insertion in model container [2019-11-20 03:58:21,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:21,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:58:20" (2/3) ... [2019-11-20 03:58:21,384 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23cfeefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:58:21, skipping insertion in model container [2019-11-20 03:58:21,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:58:21,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:21" (3/3) ... [2019-11-20 03:58:21,395 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2019-11-20 03:58:21,436 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:58:21,436 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:58:21,436 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:58:21,436 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:58:21,437 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:58:21,437 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:58:21,437 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:58:21,437 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:58:21,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-20 03:58:21,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-20 03:58:21,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:21,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:21,482 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:58:21,482 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:58:21,482 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:58:21,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-20 03:58:21,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-20 03:58:21,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:21,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:21,488 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:58:21,488 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:58:21,494 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 43#L853true 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; 51#L861true main_#t~ret69 := valid_product_#res;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 54#L817true assume 0 != main_~tmp~6; 40#L791true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L714-1true [2019-11-20 03:58:21,494 INFO L796 eck$LassoCheckResult]: Loop: 28#L714-1true assume !false; 24#L286true assume test_~splverifierCounter~0 < 4; 64#L287true test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 61#L295true assume !(0 != test_~tmp~1); 60#L295-1true test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 55#L305true assume !(0 != test_~tmp___0~0); 58#L305-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 35#L315true assume 0 != test_~tmp___2~0; 10#L321-2true assume !(0 != ~pumpRunning~0); 32#L139true assume !(0 != ~systemActive~0); 7#L146true havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 56#L89-1true __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 45#L714true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 28#L714-1true [2019-11-20 03:58:21,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:21,500 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 03:58:21,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:21,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127451154] [2019-11-20 03:58:21,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:21,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:21,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:21,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-11-20 03:58:21,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:21,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624263812] [2019-11-20 03:58:21,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:21,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-11-20 03:58:21,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:21,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889479761] [2019-11-20 03:58:21,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:21,940 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 03:58:21,940 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889479761] [2019-11-20 03:58:21,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:58:21,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 03:58:21,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186235613] [2019-11-20 03:58:22,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:22,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 03:58:22,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 03:58:22,053 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-11-20 03:58:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:22,219 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-11-20 03:58:22,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:58:22,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-11-20 03:58:22,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-20 03:58:22,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-11-20 03:58:22,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-11-20 03:58:22,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-11-20 03:58:22,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-11-20 03:58:22,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:58:22,233 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-20 03:58:22,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-11-20 03:58:22,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-20 03:58:22,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-20 03:58:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-20 03:58:22,257 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-20 03:58:22,258 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-20 03:58:22,258 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:58:22,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-11-20 03:58:22,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-20 03:58:22,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:58:22,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:58:22,260 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 03:58:22,260 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:58:22,261 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 165#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 166#L853 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; 200#L861 main_#t~ret69 := valid_product_#res;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 204#L817 assume 0 != main_~tmp~6; 196#L791 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 184#L714-1 [2019-11-20 03:58:22,261 INFO L796 eck$LassoCheckResult]: Loop: 184#L714-1 assume !false; 180#L286 assume test_~splverifierCounter~0 < 4; 181#L287 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 207#L295 assume !(0 != test_~tmp~1); 206#L295-1 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 205#L305 assume !(0 != test_~tmp___0~0); 175#L305-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 192#L315 assume 0 != test_~tmp___2~0; 157#L321-2 assume !(0 != ~pumpRunning~0); 163#L139 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 170#L171 assume !(0 != ~pumpRunning~0); 151#L146 havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 158#L89-1 __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 201#L714 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 184#L714-1 [2019-11-20 03:58:22,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:22,261 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 03:58:22,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:22,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90777748] [2019-11-20 03:58:22,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,356 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:22,356 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-11-20 03:58:22,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:22,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541000820] [2019-11-20 03:58:22,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,368 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:22,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:22,368 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-11-20 03:58:22,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:58:22,369 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534673351] [2019-11-20 03:58:22,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:58:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:58:22,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:58:46,550 WARN L191 SmtUtils]: Spent 24.01 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 03:59:00,309 WARN L191 SmtUtils]: Spent 13.76 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 03:59:00,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:59:00 BoogieIcfgContainer [2019-11-20 03:59:00,414 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:59:00,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:59:00,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:59:00,415 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:59:00,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:58:21" (3/4) ... [2019-11-20 03:59:00,418 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 03:59:00,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c7a5f421-31e1-4db4-bd4a-d2110f680fc8/bin/uautomizer/witness.graphml [2019-11-20 03:59:00,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:59:00,478 INFO L168 Benchmark]: Toolchain (without parser) took 40565.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:59:00,479 INFO L168 Benchmark]: CDTParser took 0.22 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 03:59:00,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:59:00,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.10 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 03:59:00,480 INFO L168 Benchmark]: Boogie Preprocessor took 44.05 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 03:59:00,481 INFO L168 Benchmark]: RCFGBuilder took 784.88 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:59:00,481 INFO L168 Benchmark]: BuchiAutomizer took 39036.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -54.9 MB). Peak memory consumption was 241.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:59:00,482 INFO L168 Benchmark]: Witness Printer took 61.59 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: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2019-11-20 03:59:00,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 576.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.05 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. * RCFGBuilder took 784.88 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39036.39 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -54.9 MB). Peak memory consumption was 241.4 MB. Max. memory is 11.5 GB. * Witness Printer took 61.59 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: 2.3 MB). Peak memory consumption was 2.3 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 38.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 285]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5094} State at position 1 is {NULL=5102, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=5096, NULL=5105, NULL=0, NULL=5094, NULL=5101, NULL=0, NULL=0, NULL=5106, retValue_acc=0, NULL=5114, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cc43fec=0, tmp___1=0, NULL=5112, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=5113, NULL=5116, NULL=5108, NULL=5110, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=5104, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7589e6a9=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=5117, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23aabf5c=0, NULL=5107, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ed419bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50f7a316=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ead7f36=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d126f0d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@554c49af=68, retValue_acc=1, NULL=5097, NULL=5119, tmp___2=68, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=5109, tmp=0, NULL=5100, head=0, NULL=5111, NULL=5095, NULL=5099, NULL=0, NULL=5115, NULL=5103, NULL=5118, NULL=5098} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L509] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 Loop: [L285] COND TRUE 1 [L287] COND TRUE splverifierCounter < 4 [L293] tmp = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp)) [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___2) [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L168] int tmp ; [L171] COND FALSE !(\read(pumpRunning)) [L707] int tmp ; [L708] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L712] tmp = isMethaneLevelCritical() [L714] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...