./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/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 7e56150b699b94e28c1c73525159cfeb9360ab0a .................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-29 19:34:10,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:34:10,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:34:10,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:34:10,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:34:10,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:34:10,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:34:10,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:34:10,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:34:10,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:34:10,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:34:10,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:34:10,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:34:10,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:34:10,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:34:10,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:34:10,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:34:10,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:34:10,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:34:10,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:34:10,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:34:10,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:34:10,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:34:10,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:34:10,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:34:10,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:34:10,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:34:10,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:34:10,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:34:10,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:34:10,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:34:10,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:34:10,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:34:10,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:34:10,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:34:10,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:34:10,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:34:10,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:34:10,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:34:10,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:34:10,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:34:10,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:34:10,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:34:10,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:34:10,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:34:10,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:34:10,978 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:34:10,978 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:34:10,978 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:34:10,979 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:34:10,979 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:34:10,979 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:34:10,980 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:34:10,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:34:10,981 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:34:10,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:34:10,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:34:10,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:34:10,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:34:10,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:34:10,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:34:10,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:34:10,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:34:10,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:34:10,983 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:34:10,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:34:10,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:34:10,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:34:10,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:34:10,984 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:34:10,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:34:10,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:34:10,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:34:10,987 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:34:10,989 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:34:10,989 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-11-29 19:34:11,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:34:11,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:34:11,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:34:11,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:34:11,253 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:34:11,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-29 19:34:11,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/data/6651b47f0/732949978e294dd084d8906aab4a5617/FLAG40b5e3b2f [2020-11-29 19:34:11,865 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:34:11,865 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-11-29 19:34:11,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/data/6651b47f0/732949978e294dd084d8906aab4a5617/FLAG40b5e3b2f [2020-11-29 19:34:12,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/data/6651b47f0/732949978e294dd084d8906aab4a5617 [2020-11-29 19:34:12,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:34:12,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:34:12,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:12,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:34:12,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:34:12,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4c1ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12, skipping insertion in model container [2020-11-29 19:34:12,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:34:12,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:34:12,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:12,563 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:34:12,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:34:12,705 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:34:12,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12 WrapperNode [2020-11-29 19:34:12,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:34:12,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:12,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:34:12,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:34:12,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:34:12,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:34:12,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:34:12,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:34:12,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... [2020-11-29 19:34:12,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:34:12,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:34:12,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:34:12,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:34:12,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/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 [2020-11-29 19:34:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:34:12,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:34:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:34:12,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:34:13,798 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:34:13,800 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-29 19:34:13,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:13 BoogieIcfgContainer [2020-11-29 19:34:13,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:34:13,804 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:34:13,805 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:34:13,808 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:34:13,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:34:13,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:34:12" (1/3) ... [2020-11-29 19:34:13,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28994ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:34:13, skipping insertion in model container [2020-11-29 19:34:13,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:34:13,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:34:12" (2/3) ... [2020-11-29 19:34:13,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28994ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:34:13, skipping insertion in model container [2020-11-29 19:34:13,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:34:13,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:13" (3/3) ... [2020-11-29 19:34:13,814 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2020-11-29 19:34:13,875 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:34:13,875 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:34:13,875 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:34:13,875 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:34:13,876 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:34:13,876 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:34:13,876 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:34:13,876 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:34:13,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-29 19:34:13,919 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-29 19:34:13,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:34:13,919 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:34:13,927 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:34:13,927 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:13,927 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:34:13,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-29 19:34:13,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-29 19:34:13,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:34:13,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:34:13,935 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:34:13,936 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:13,941 INFO L794 eck$LassoCheckResult]: Stem: 85#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);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(75, #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(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 39#L262true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 78#L270true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 90#L132true assume 0 != main_~tmp~0; 49#L105true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 5#L285-1true [2020-11-29 19:34:13,942 INFO L796 eck$LassoCheckResult]: Loop: 5#L285-1true assume !false; 23#L527true assume test_~splverifierCounter~0 < 4; 100#L528true test_~tmp~6 := test_#t~nondet42;havoc test_#t~nondet42; 104#L536true assume !(0 != test_~tmp~6); 106#L536-1true test_~tmp___0~2 := test_#t~nondet43;havoc test_#t~nondet43; 26#L546true assume !(0 != test_~tmp___0~2); 28#L546-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 82#L556true assume 0 != test_~tmp___2~0; 55#L562-1true assume !(0 != ~pumpRunning~0); 102#L313true assume !(0 != ~systemActive~0); 47#L320true havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 21#L194-1true __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 6#L285true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 5#L285-1true [2020-11-29 19:34:13,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:13,948 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 19:34:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:13,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001019654] [2020-11-29 19:34:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:14,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:14,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:14,365 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:34:14,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:14,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709747, now seen corresponding path program 1 times [2020-11-29 19:34:14,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:14,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76225517] [2020-11-29 19:34:14,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:14,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:14,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:14,401 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:34:14,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:14,405 INFO L82 PathProgramCache]: Analyzing trace with hash 42569191, now seen corresponding path program 1 times [2020-11-29 19:34:14,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:14,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875783061] [2020-11-29 19:34:14,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:14,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875783061] [2020-11-29 19:34:14,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:34:14,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 19:34:14,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258170384] [2020-11-29 19:34:14,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:34:14,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:34:14,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:34:14,677 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 6 states. [2020-11-29 19:34:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:34:15,045 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2020-11-29 19:34:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:34:15,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2020-11-29 19:34:15,055 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2020-11-29 19:34:15,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2020-11-29 19:34:15,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2020-11-29 19:34:15,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2020-11-29 19:34:15,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2020-11-29 19:34:15,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:34:15,070 INFO L691 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2020-11-29 19:34:15,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2020-11-29 19:34:15,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2020-11-29 19:34:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-29 19:34:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2020-11-29 19:34:15,108 INFO L714 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2020-11-29 19:34:15,109 INFO L594 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2020-11-29 19:34:15,109 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:34:15,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2020-11-29 19:34:15,112 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2020-11-29 19:34:15,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:34:15,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:34:15,113 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:34:15,113 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:34:15,113 INFO L794 eck$LassoCheckResult]: Stem: 469#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);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(75, #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(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 389#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 390#L262 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 435#L270 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 468#L132 assume 0 != main_~tmp~0; 445#L105 havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 381#L285-1 [2020-11-29 19:34:15,114 INFO L796 eck$LassoCheckResult]: Loop: 381#L285-1 assume !false; 382#L527 assume test_~splverifierCounter~0 < 4; 413#L528 test_~tmp~6 := test_#t~nondet42;havoc test_#t~nondet42; 474#L536 assume !(0 != test_~tmp~6); 402#L536-1 test_~tmp___0~2 := test_#t~nondet43;havoc test_#t~nondet43; 419#L546 assume !(0 != test_~tmp___0~2); 420#L546-1 test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 424#L556 assume 0 != test_~tmp___2~0; 449#L562-1 assume !(0 != ~pumpRunning~0); 451#L313 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret22, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 471#L371 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret21, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 417#L345-1 assume !(0 != ~pumpRunning~0); 415#L320 havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 410#L194-1 __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 383#L285 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 381#L285-1 [2020-11-29 19:34:15,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:15,115 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 19:34:15,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:15,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633985888] [2020-11-29 19:34:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,167 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,262 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:34:15,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:15,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294335, now seen corresponding path program 1 times [2020-11-29 19:34:15,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:15,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143684746] [2020-11-29 19:34:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,295 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:34:15,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:34:15,301 INFO L82 PathProgramCache]: Analyzing trace with hash 104912089, now seen corresponding path program 1 times [2020-11-29 19:34:15,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:34:15,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26933890] [2020-11-29 19:34:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:34:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:34:15,442 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:34:15,458 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:35:20,622 WARN L193 SmtUtils]: Spent 1.08 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 19:36:02,849 WARN L193 SmtUtils]: Spent 42.22 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 19:36:03,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:36:03 BoogieIcfgContainer [2020-11-29 19:36:03,090 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:36:03,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:36:03,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:36:03,091 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:36:03,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:34:13" (3/4) ... [2020-11-29 19:36:03,094 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:36:03,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9d4279e3-237c-4beb-ad45-ea8deeb030eb/bin/uautomizer/witness.graphml [2020-11-29 19:36:03,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:36:03,138 INFO L168 Benchmark]: Toolchain (without parser) took 110981.78 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 58.8 MB in the beginning and 60.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,139 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 73.4 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 81.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,139 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.92 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 56.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.58 ms. Allocated memory is still 90.2 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,140 INFO L168 Benchmark]: Boogie Preprocessor took 56.78 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 50.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,141 INFO L168 Benchmark]: RCFGBuilder took 974.90 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 33.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,142 INFO L168 Benchmark]: BuchiAutomizer took 109285.86 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 32.8 MB in the beginning and 62.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,143 INFO L168 Benchmark]: Witness Printer took 45.50 ms. Allocated memory is still 138.4 MB. Free memory was 62.9 MB in the beginning and 60.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:03,146 INFO L339 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 73.4 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 81.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.92 ms. Allocated memory is still 90.2 MB. Free memory was 58.8 MB in the beginning and 56.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.58 ms. Allocated memory is still 90.2 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.78 ms. Allocated memory is still 90.2 MB. Free memory was 53.3 MB in the beginning and 50.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 974.90 ms. Allocated memory is still 90.2 MB. Free memory was 50.6 MB in the beginning and 33.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 109285.86 ms. Allocated memory was 90.2 MB in the beginning and 138.4 MB in the end (delta: 48.2 MB). Free memory was 32.8 MB in the beginning and 62.9 MB in the end (delta: -30.1 MB). Peak memory consumption was 57.8 MB. Max. memory is 16.1 GB. * Witness Printer took 45.50 ms. Allocated memory is still 138.4 MB. Free memory was 62.9 MB in the beginning and 60.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 109.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 108.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 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: 526]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=25834, retValue_acc=0, NULL=0, NULL=0, retValue_acc=0, NULL=1, NULL=0, NULL=25830, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d343090=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49fd7c15=59, NULL=25844, NULL=25829, NULL=25839, methaneLevelCritical=0, NULL=0, NULL=0, NULL=25851, NULL=0, tmp=0, NULL=0, NULL=25846, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=25842, NULL=25853, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e6b0976=0, cleanupTimeShifts=4, NULL=25845, NULL=25827, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b83b0ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32d91252=0, NULL=0, systemActive=1, waterLevel=1, NULL=25843, NULL=0, NULL=0, NULL=0, NULL=25832, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@319fbd5b=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=25840, NULL=0, NULL=25852, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a32398=0, NULL=0, tmp=0, NULL=0, retValue_acc=1, NULL=0, NULL=25850, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7adaf3e5=0, NULL=0, NULL=25849, NULL=0, NULL=0, NULL=25841, NULL=0, tmp___2=59, NULL=0, tmp___0=0, NULL=25847, NULL=25828, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=25848, NULL=25835, NULL=25836, NULL=25826, tmp=0, head=0, NULL=0, NULL=0, NULL=25831, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54702694=0, NULL=25838, NULL=0, NULL=0, NULL=25833, NULL=25837, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L306] int pumpRunning = 0; [L307] int systemActive = 1; [L761] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L517] int splverifierCounter ; [L518] int tmp ; [L519] int tmp___0 ; [L520] int tmp___1 ; [L521] int tmp___2 ; [L524] splverifierCounter = 0 Loop: [L526] COND TRUE 1 [L528] COND TRUE splverifierCounter < 4 [L534] tmp = __VERIFIER_nondet_int() [L536] COND FALSE !(\read(tmp)) [L544] tmp___0 = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp___0)) [L554] tmp___2 = __VERIFIER_nondet_int() [L556] COND TRUE \read(tmp___2) [L313] COND FALSE !(\read(pumpRunning)) [L320] COND TRUE \read(systemActive) [L368] int tmp ; [L371] COND FALSE !(\read(pumpRunning)) [L342] int tmp ; [L345] COND FALSE !(\read(pumpRunning)) [L278] int tmp ; [L279] int tmp___0 ; [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L283] tmp = isMethaneLevelCritical() [L285] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...