./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/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 5eed478f48f8cf940c15b323900b8556a7a21390 ........................................................................................................................................................................................................................................................................................................................................................................ 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 23:33:28,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:33:28,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:33:28,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:33:28,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:33:28,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:33:28,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:33:28,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:33:28,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:33:28,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:33:28,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:33:28,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:33:28,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:33:28,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:33:28,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:33:28,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:33:28,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:33:28,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:33:28,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:33:28,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:33:28,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:33:28,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:33:28,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:33:28,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:33:28,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:33:28,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:33:28,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:33:28,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:33:28,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:33:28,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:33:28,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:33:28,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:33:28,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:33:28,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:33:28,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:33:28,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:33:28,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:33:28,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:33:28,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:33:28,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:33:28,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:33:28,927 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:33:28,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:33:28,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:33:28,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:33:28,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:33:28,976 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:33:28,976 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:33:28,976 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:33:28,976 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:33:28,977 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:33:28,977 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:33:28,978 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:33:28,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:33:28,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:33:28,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:33:28,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:33:28,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:33:28,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:33:28,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:33:28,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:33:28,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:33:28,980 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:33:28,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:33:28,980 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:33:28,981 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:33:28,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:33:28,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:33:28,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:33:28,982 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:33:28,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:33:28,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:33:28,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:33:28,983 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:33:28,984 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:33:28,985 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_26647d47-0f20-4997-8d2c-89b6cae61a10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eed478f48f8cf940c15b323900b8556a7a21390 [2020-11-29 23:33:29,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:33:29,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:33:29,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:33:29,293 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:33:29,294 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:33:29,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 23:33:29,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/data/3c8a8f3d8/90a88af2186948a9898e5abac3cf27a7/FLAG39135acf8 [2020-11-29 23:33:29,878 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:33:29,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2020-11-29 23:33:29,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/data/3c8a8f3d8/90a88af2186948a9898e5abac3cf27a7/FLAG39135acf8 [2020-11-29 23:33:30,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/data/3c8a8f3d8/90a88af2186948a9898e5abac3cf27a7 [2020-11-29 23:33:30,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:33:30,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:33:30,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:33:30,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:33:30,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:33:30,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d090f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30, skipping insertion in model container [2020-11-29 23:33:30,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:33:30,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:33:30,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:33:30,689 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:33:30,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:33:30,813 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:33:30,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30 WrapperNode [2020-11-29 23:33:30,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:33:30,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:33:30,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:33:30,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:33:30,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:33:30,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:33:30,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:33:30,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:33:30,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... [2020-11-29 23:33:30,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:33:30,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:33:30,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:33:30,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:33:30,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/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 23:33:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:33:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:33:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:33:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:33:32,024 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:33:32,024 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-29 23:33:32,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:32 BoogieIcfgContainer [2020-11-29 23:33:32,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:33:32,032 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:33:32,033 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:33:32,036 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:33:32,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:33:32,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:33:30" (1/3) ... [2020-11-29 23:33:32,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97cabe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:33:32, skipping insertion in model container [2020-11-29 23:33:32,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:33:32,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:33:30" (2/3) ... [2020-11-29 23:33:32,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@97cabe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:33:32, skipping insertion in model container [2020-11-29 23:33:32,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:33:32,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:32" (3/3) ... [2020-11-29 23:33:32,044 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-11-29 23:33:32,099 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:33:32,099 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:33:32,099 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:33:32,100 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:33:32,100 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:33:32,100 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:33:32,100 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:33:32,100 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:33:32,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2020-11-29 23:33:32,150 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2020-11-29 23:33:32,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:33:32,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:33:32,162 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,162 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,162 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:33:32,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2020-11-29 23:33:32,168 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2020-11-29 23:33:32,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:33:32,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:33:32,169 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,169 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,175 INFO L794 eck$LassoCheckResult]: Stem: 29#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);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(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 42#L432true 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; 48#L440true main_#t~ret30 := valid_product_#res;main_~tmp~3 := main_#t~ret30;havoc main_#t~ret30; 73#L368true assume 0 != main_~tmp~3; 65#L342true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L392-1true [2020-11-29 23:33:32,175 INFO L796 eck$LassoCheckResult]: Loop: 35#L392-1true assume !false; 3#L58true assume test_~splverifierCounter~0 < 4; 24#L59true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 61#L67true assume !(0 != test_~tmp~0); 59#L67-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 39#L77true assume !(0 != test_~tmp___0~0); 37#L77-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 11#L87true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 4#L95-2true assume !(0 != ~pumpRunning~0); 71#L130true assume !(0 != ~systemActive~0); 55#L137true havoc __utac_acc__Specification4_spec__1_#t~ret31, __utac_acc__Specification4_spec__1_#t~ret32, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 31#L520true __utac_acc__Specification4_spec__1_#t~ret31 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret31;havoc __utac_acc__Specification4_spec__1_#t~ret31; 32#L392true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 35#L392-1true [2020-11-29 23:33:32,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:32,181 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 23:33:32,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:32,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346994909] [2020-11-29 23:33:32,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:32,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:32,612 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:32,669 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:33:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:32,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729467, now seen corresponding path program 1 times [2020-11-29 23:33:32,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:32,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008214210] [2020-11-29 23:33:32,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:33:32,755 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 23:33:32,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008214210] [2020-11-29 23:33:32,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:33:32,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:33:32,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29310583] [2020-11-29 23:33:32,767 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 23:33:32,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:33:32,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:33:32,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:33:32,787 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2020-11-29 23:33:32,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:33:32,860 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2020-11-29 23:33:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:33:32,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2020-11-29 23:33:32,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-29 23:33:32,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2020-11-29 23:33:32,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2020-11-29 23:33:32,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2020-11-29 23:33:32,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2020-11-29 23:33:32,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:33:32,876 INFO L691 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-29 23:33:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2020-11-29 23:33:32,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-11-29 23:33:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-29 23:33:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2020-11-29 23:33:32,919 INFO L714 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-29 23:33:32,919 INFO L594 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2020-11-29 23:33:32,920 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:33:32,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2020-11-29 23:33:32,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-29 23:33:32,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:33:32,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:33:32,933 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,933 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:33:32,933 INFO L794 eck$LassoCheckResult]: Stem: 189#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);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(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 162#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 163#L432 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; 201#L440 main_#t~ret30 := valid_product_#res;main_~tmp~3 := main_#t~ret30;havoc main_#t~ret30; 203#L368 assume 0 != main_~tmp~3; 219#L342 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 192#L392-1 [2020-11-29 23:33:32,934 INFO L796 eck$LassoCheckResult]: Loop: 192#L392-1 assume !false; 156#L58 assume test_~splverifierCounter~0 < 4; 157#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 185#L67 assume !(0 != test_~tmp~0); 213#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 199#L77 assume !(0 != test_~tmp___0~0); 177#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 172#L87 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 159#L95-2 assume !(0 != ~pumpRunning~0); 160#L130 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 214#L162 assume !(0 != ~pumpRunning~0); 204#L137 havoc __utac_acc__Specification4_spec__1_#t~ret31, __utac_acc__Specification4_spec__1_#t~ret32, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 190#L520 __utac_acc__Specification4_spec__1_#t~ret31 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret31;havoc __utac_acc__Specification4_spec__1_#t~ret31; 191#L392 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 192#L392-1 [2020-11-29 23:33:32,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 23:33:32,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:32,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320622757] [2020-11-29 23:33:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,172 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:33:33,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:33,176 INFO L82 PathProgramCache]: Analyzing trace with hash -589998915, now seen corresponding path program 1 times [2020-11-29 23:33:33,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:33,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919387553] [2020-11-29 23:33:33,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:33:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:33:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040611, now seen corresponding path program 1 times [2020-11-29 23:33:33,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:33:33,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952628372] [2020-11-29 23:33:33,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:33:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:33:33,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:33:33,393 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:34:46,394 WARN L193 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 23:35:37,003 WARN L193 SmtUtils]: Spent 50.60 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 23:35:37,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:35:37 BoogieIcfgContainer [2020-11-29 23:35:37,207 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:35:37,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:35:37,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:35:37,208 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:35:37,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:33:32" (3/4) ... [2020-11-29 23:35:37,217 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 23:35:37,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_26647d47-0f20-4997-8d2c-89b6cae61a10/bin/uautomizer/witness.graphml [2020-11-29 23:35:37,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:35:37,279 INFO L168 Benchmark]: Toolchain (without parser) took 127053.01 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 63.1 MB in the beginning and 36.4 MB in the end (delta: 26.7 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,283 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:35:37,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.56 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 62.3 MB in the end (delta: 634.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.34 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 59.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,288 INFO L168 Benchmark]: Boogie Preprocessor took 36.60 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,290 INFO L168 Benchmark]: RCFGBuilder took 1094.36 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 51.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,290 INFO L168 Benchmark]: BuchiAutomizer took 125174.80 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 51.6 MB in the beginning and 39.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 63.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,291 INFO L168 Benchmark]: Witness Printer took 65.76 ms. Allocated memory is still 125.8 MB. Free memory was 39.4 MB in the beginning and 36.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:35:37,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory was 33.4 MB in the beginning and 33.3 MB in the end (delta: 33.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.56 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 62.3 MB in the end (delta: 634.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.34 ms. Allocated memory is still 94.4 MB. Free memory was 62.3 MB in the beginning and 59.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.60 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1094.36 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 51.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 125174.80 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 51.6 MB in the beginning and 39.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 63.4 MB. Max. memory is 16.1 GB. * Witness Printer took 65.76 ms. Allocated memory is still 125.8 MB. Free memory was 39.4 MB in the beginning and 36.4 MB in the end (delta: 3.0 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 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 124.8s. Construction of modules took 0.0s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 57]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=26394} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4804ac08=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62033e4e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76bfedfb=0, NULL=26394, retValue_acc=0, NULL=26413, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@367a1ed0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d8cc82f=0, NULL=26409, NULL=0, NULL=26422, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@568a1c49=0, NULL=26415, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@310d22a2=0, NULL=26397, NULL=0, NULL=26396, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=26421, NULL=26404, NULL=26411, cleanupTimeShifts=4, tmp=0, NULL=26399, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, tmp___0=0, NULL=26400, \result=1, NULL=26405, head=0, pumpRunning=0, \result=0, tmp=1, NULL=26419, NULL=26414, NULL=0, NULL=0, NULL=0, NULL=26408, retValue_acc=1, NULL=26418, NULL=26410, NULL=0, NULL=0, tmp=1, NULL=26416, NULL=0, NULL=0, NULL=26401, NULL=0, retValue_acc=1, tmp___2=70, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ab31f7d=0, NULL=26403, splverifierCounter=0, NULL=0, NULL=26412, NULL=26398, NULL=26420, tmp=0, head=0, NULL=0, NULL=0, NULL=26395, NULL=0, NULL=0, NULL=0, NULL=0, NULL=26402, NULL=0, NULL=26407, NULL=26406, NULL=26417} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L283] int cleanupTimeShifts = 4; [L445] int waterLevel = 1; [L446] int methaneLevelCritical = 0; [L712] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L359] int retValue_acc ; [L360] int tmp ; [L436] int retValue_acc ; [L439] retValue_acc = 1 [L440] return (retValue_acc); [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 Loop: [L57] COND TRUE 1 [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND FALSE !(\read(tmp)) [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND TRUE \read(tmp___2) [L278] systemActive = 1 [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L159] int tmp ; [L162] COND FALSE !(\read(pumpRunning)) [L385] int tmp ; [L386] int tmp___0 ; [L516] int retValue_acc ; [L519] retValue_acc = waterLevel [L520] return (retValue_acc); [L390] tmp = getWaterLevel() [L392] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...