./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/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 01969f175864c5ac01139f06c6cdce709a11a636 ............................................................................................................................................................................................................................................................................................................................................................................ 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 21:10:09,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:10:09,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:10:09,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:10:09,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:10:09,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:10:09,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:10:09,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:10:09,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:10:09,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:10:09,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:10:09,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:10:09,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:10:09,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:10:09,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:10:09,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:10:09,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:10:09,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:10:09,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:10:09,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:10:09,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:10:09,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:10:09,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:10:09,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:10:09,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:10:09,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:10:09,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:10:09,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:10:09,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:10:09,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:10:09,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:10:09,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:10:09,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:10:09,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:10:09,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:10:09,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:10:09,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:10:09,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:10:09,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:10:09,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:10:09,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:10:09,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 21:10:09,467 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:10:09,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:10:09,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:10:09,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:10:09,470 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:10:09,470 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 21:10:09,470 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 21:10:09,471 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 21:10:09,471 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 21:10:09,471 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 21:10:09,472 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 21:10:09,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:10:09,473 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:10:09,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:10:09,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:10:09,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:10:09,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:10:09,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 21:10:09,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 21:10:09,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 21:10:09,475 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:10:09,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:10:09,475 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 21:10:09,475 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:10:09,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 21:10:09,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:10:09,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:10:09,476 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 21:10:09,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:10:09,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:10:09,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:10:09,479 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 21:10:09,480 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 21:10:09,481 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_e18da639-8143-4de4-ae2f-daab16b35a96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01969f175864c5ac01139f06c6cdce709a11a636 [2020-11-29 21:10:09,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:10:09,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:10:09,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:10:09,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:10:09,798 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:10:09,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2020-11-29 21:10:09,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/data/dfdfebf09/bbe292ff19a943e49488ef327eaa1aaa/FLAGe54b40f1b [2020-11-29 21:10:10,534 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:10:10,535 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2020-11-29 21:10:10,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/data/dfdfebf09/bbe292ff19a943e49488ef327eaa1aaa/FLAGe54b40f1b [2020-11-29 21:10:10,809 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/data/dfdfebf09/bbe292ff19a943e49488ef327eaa1aaa [2020-11-29 21:10:10,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:10:10,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:10:10,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:10:10,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:10:10,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:10:10,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:10:10" (1/1) ... [2020-11-29 21:10:10,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173aa29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:10, skipping insertion in model container [2020-11-29 21:10:10,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:10:10" (1/1) ... [2020-11-29 21:10:10,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:10:10,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:10:11,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:10:11,339 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:10:11,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:10:11,492 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:10:11,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11 WrapperNode [2020-11-29 21:10:11,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:10:11,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:10:11,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:10:11,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:10:11,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:10:11,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:10:11,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:10:11,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:10:11,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... [2020-11-29 21:10:11,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:10:11,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:10:11,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:10:11,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:10:11,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/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 21:10:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:10:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:10:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:10:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:10:12,713 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:10:12,713 INFO L298 CfgBuilder]: Removed 168 assume(true) statements. [2020-11-29 21:10:12,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:10:12 BoogieIcfgContainer [2020-11-29 21:10:12,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:10:12,716 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 21:10:12,716 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 21:10:12,719 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 21:10:12,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:10:12,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 09:10:10" (1/3) ... [2020-11-29 21:10:12,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fb3c824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:10:12, skipping insertion in model container [2020-11-29 21:10:12,720 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:10:12,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:10:11" (2/3) ... [2020-11-29 21:10:12,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fb3c824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 09:10:12, skipping insertion in model container [2020-11-29 21:10:12,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 21:10:12,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:10:12" (3/3) ... [2020-11-29 21:10:12,722 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2020-11-29 21:10:12,766 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 21:10:12,766 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 21:10:12,766 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 21:10:12,766 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:10:12,766 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:10:12,766 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 21:10:12,766 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:10:12,767 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 21:10:12,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-29 21:10:12,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-29 21:10:12,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:10:12,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:10:12,814 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 21:10:12,814 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:10:12,814 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 21:10:12,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states. [2020-11-29 21:10:12,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2020-11-29 21:10:12,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:10:12,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:10:12,822 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 21:10:12,822 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:10:12,827 INFO L794 eck$LassoCheckResult]: Stem: 77#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 14#L-1true havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 61#L529true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 62#L537true main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 79#L955true assume 0 != main_~tmp~9; 3#L932true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 18#L552-1true [2020-11-29 21:10:12,828 INFO L796 eck$LassoCheckResult]: Loop: 18#L552-1true assume !false; 15#L585true assume test_~splverifierCounter~0 < 4; 85#L586true test_~tmp~4 := test_#t~nondet55;havoc test_#t~nondet55; 90#L594true assume !(0 != test_~tmp~4); 92#L594-1true test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 30#L604true assume !(0 != test_~tmp___0~1); 32#L604-1true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 67#L614true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 71#L622-1true assume !(0 != ~pumpRunning~0); 56#L653true assume !(0 != ~systemActive~0); 87#L660true havoc __utac_acc__Specification1_spec__1_#t~ret53, __utac_acc__Specification1_spec__1_#t~ret54, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 27#L458-1true __utac_acc__Specification1_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret53;havoc __utac_acc__Specification1_spec__1_#t~ret53; 17#L552true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 18#L552-1true [2020-11-29 21:10:12,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:10:12,834 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 21:10:12,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:10:12,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747614459] [2020-11-29 21:10:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:10:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,357 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:10:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:10:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755442, now seen corresponding path program 1 times [2020-11-29 21:10:13,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:10:13,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978735511] [2020-11-29 21:10:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:10:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:10:13,446 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 21:10:13,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978735511] [2020-11-29 21:10:13,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:10:13,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:10:13,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401628135] [2020-11-29 21:10:13,456 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 21:10:13,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:10:13,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:10:13,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:10:13,476 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 3 states. [2020-11-29 21:10:13,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:10:13,566 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2020-11-29 21:10:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:10:13,568 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2020-11-29 21:10:13,574 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2020-11-29 21:10:13,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2020-11-29 21:10:13,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2020-11-29 21:10:13,583 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2020-11-29 21:10:13,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2020-11-29 21:10:13,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 21:10:13,585 INFO L691 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2020-11-29 21:10:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2020-11-29 21:10:13,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2020-11-29 21:10:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-11-29 21:10:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2020-11-29 21:10:13,626 INFO L714 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2020-11-29 21:10:13,626 INFO L594 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2020-11-29 21:10:13,626 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 21:10:13,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2020-11-29 21:10:13,630 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2020-11-29 21:10:13,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 21:10:13,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 21:10:13,631 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 21:10:13,631 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:10:13,631 INFO L794 eck$LassoCheckResult]: Stem: 412#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 338#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 339#L529 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 402#L537 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 403#L955 assume 0 != main_~tmp~9; 321#L932 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 322#L552-1 [2020-11-29 21:10:13,632 INFO L796 eck$LassoCheckResult]: Loop: 322#L552-1 assume !false; 340#L585 assume test_~splverifierCounter~0 < 4; 341#L586 test_~tmp~4 := test_#t~nondet55;havoc test_#t~nondet55; 485#L594 assume !(0 != test_~tmp~4); 419#L594-1 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 362#L604 assume !(0 != test_~tmp___0~1); 363#L604-1 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 366#L614 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 405#L622-1 assume !(0 != ~pumpRunning~0); 397#L653 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 379#L711 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret59, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 381#L685-1 assume !(0 != ~pumpRunning~0); 386#L660 havoc __utac_acc__Specification1_spec__1_#t~ret53, __utac_acc__Specification1_spec__1_#t~ret54, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 359#L458-1 __utac_acc__Specification1_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret53;havoc __utac_acc__Specification1_spec__1_#t~ret53; 345#L552 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 322#L552-1 [2020-11-29 21:10:13,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:10:13,632 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 21:10:13,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:10:13,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273443056] [2020-11-29 21:10:13,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:10:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,822 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:10:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:10:13,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585824, now seen corresponding path program 1 times [2020-11-29 21:10:13,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:10:13,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812820597] [2020-11-29 21:10:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:10:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,839 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,855 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:10:13,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:10:13,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999226, now seen corresponding path program 1 times [2020-11-29 21:10:13,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:10:13,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309756614] [2020-11-29 21:10:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:10:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:13,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:10:14,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:10:14,022 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 21:10:14,145 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-29 21:10:14,268 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-11-29 21:11:26,296 WARN L193 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 21:12:15,952 WARN L193 SmtUtils]: Spent 49.65 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 21:12:16,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 09:12:16 BoogieIcfgContainer [2020-11-29 21:12:16,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 21:12:16,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:12:16,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:12:16,235 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:12:16,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:10:12" (3/4) ... [2020-11-29 21:12:16,238 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 21:12:16,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e18da639-8143-4de4-ae2f-daab16b35a96/bin/uautomizer/witness.graphml [2020-11-29 21:12:16,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:12:16,298 INFO L168 Benchmark]: Toolchain (without parser) took 125484.21 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 55.0 MB in the beginning and 61.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,299 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 88.1 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:12:16,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.84 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 80.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.89 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 76.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,300 INFO L168 Benchmark]: Boogie Preprocessor took 80.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.1 MB in the beginning and 74.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,301 INFO L168 Benchmark]: RCFGBuilder took 1033.48 ms. Allocated memory is still 113.2 MB. Free memory was 74.0 MB in the beginning and 69.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,301 INFO L168 Benchmark]: BuchiAutomizer took 123513.17 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 69.1 MB in the beginning and 63.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 70.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,302 INFO L168 Benchmark]: Witness Printer took 66.65 ms. Allocated memory is still 144.7 MB. Free memory was 63.3 MB in the beginning and 61.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:12:16,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 88.1 MB. Free memory was 60.8 MB in the beginning and 60.7 MB in the end (delta: 27.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.84 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 54.7 MB in the beginning and 80.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.89 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 76.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.1 MB in the beginning and 74.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1033.48 ms. Allocated memory is still 113.2 MB. Free memory was 74.0 MB in the beginning and 69.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 123513.17 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 69.1 MB in the beginning and 63.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 70.3 MB. Max. memory is 16.1 GB. * Witness Printer took 66.65 ms. Allocated memory is still 144.7 MB. Free memory was 63.3 MB in the beginning and 61.3 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 3 locations. The remainder module has 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 123.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 123.1s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 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: 584]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=29384} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=29384, NULL=0, NULL=29397, NULL=0, NULL=29411, NULL=29409, methaneLevelCritical=0, NULL=29412, tmp=0, NULL=29388, NULL=0, NULL=0, NULL=29394, tmp___1=0, NULL=29406, NULL=0, NULL=0, tmp___0=0, NULL=29391, NULL=29407, NULL=29401, cleanupTimeShifts=4, NULL=29396, NULL=29403, NULL=29395, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f84b254=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db32999=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75ef7d64=0, NULL=0, retValue_acc=0, NULL=29398, retValue_acc=0, NULL=29413, \result=1, head=0, pumpRunning=0, NULL=29410, \result=0, NULL=29387, NULL=0, NULL=29386, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=29405, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=29385, NULL=0, tmp___2=69, NULL=29390, tmp___0=0, NULL=29392, splverifierCounter=0, NULL=0, \result=0, NULL=29408, NULL=29402, NULL=29400, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1887ef2f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8dc02a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a50e55c=69, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60a1dd56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39f918b5=0, head=0, NULL=0, NULL=0, tmp=1, tmp=0, NULL=29399, NULL=0, NULL=0, NULL=29393, NULL=29389, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28850b38=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L646] int pumpRunning = 0; [L647] int systemActive = 1; [L873] int cleanupTimeShifts = 4; [L946] int retValue_acc ; [L947] int tmp ; [L533] int retValue_acc ; [L536] retValue_acc = 1 [L537] return (retValue_acc); [L953] tmp = valid_product() [L955] COND TRUE \read(tmp) [L575] int splverifierCounter ; [L576] int tmp ; [L577] int tmp___0 ; [L578] int tmp___1 ; [L579] int tmp___2 ; [L582] splverifierCounter = 0 Loop: [L584] COND TRUE 1 [L586] COND TRUE splverifierCounter < 4 [L592] tmp = __VERIFIER_nondet_int() [L594] COND FALSE !(\read(tmp)) [L602] tmp___0 = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp___0)) [L612] tmp___2 = __VERIFIER_nondet_int() [L614] COND TRUE \read(tmp___2) [L859] systemActive = 1 [L653] COND FALSE !(\read(pumpRunning)) [L660] COND TRUE \read(systemActive) [L708] int tmp ; [L711] COND FALSE !(\read(pumpRunning)) [L682] int tmp ; [L685] COND FALSE !(\read(pumpRunning)) [L545] int tmp ; [L546] int tmp___0 ; [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L550] tmp = isMethaneLevelCritical() [L552] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...