./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.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_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/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 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee ....................................................................................................................................................................................................................................................................................................................................................................... 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 23:55:22,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:22,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:22,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:22,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:22,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:22,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:22,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:22,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:22,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:22,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:22,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:22,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:22,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:22,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:22,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:22,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:22,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:22,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:22,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:22,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:22,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:22,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:22,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:22,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:22,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:22,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:22,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:22,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:22,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:22,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:22,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:22,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:22,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:22,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:22,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:22,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:22,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:22,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:22,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:22,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:22,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:55:22,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:22,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:22,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:22,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:22,543 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:55:22,544 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:55:22,544 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:55:22,544 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:55:22,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:55:22,545 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:55:22,546 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:55:22,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:22,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:22,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:55:22,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:22,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:22,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:22,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:55:22,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:55:22,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:55:22,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:22,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:22,548 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:55:22,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:22,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:55:22,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:22,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:55:22,549 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:55:22,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:22,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:55:22,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:55:22,552 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:55:22,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:55:22,553 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_64352335-ce6a-4c1e-be51-f78fc8100911/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3277d87fee4d1f5b2f894e9c3d1b5ae65d241aee [2020-11-29 23:55:22,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:22,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:22,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:22,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:22,858 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:22,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-29 23:55:22,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/data/dcce8cdc7/5d40ea75010e462f8f3a7ae90f5f13c9/FLAG0c27c4bc9 [2020-11-29 23:55:23,454 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:23,455 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2020-11-29 23:55:23,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/data/dcce8cdc7/5d40ea75010e462f8f3a7ae90f5f13c9/FLAG0c27c4bc9 [2020-11-29 23:55:23,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/data/dcce8cdc7/5d40ea75010e462f8f3a7ae90f5f13c9 [2020-11-29 23:55:23,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:23,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:23,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:23,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:23,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:23,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:23" (1/1) ... [2020-11-29 23:55:23,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a08e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:23, skipping insertion in model container [2020-11-29 23:55:23,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:23" (1/1) ... [2020-11-29 23:55:23,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:23,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:24,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:24,247 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:24,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:24,390 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:24,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24 WrapperNode [2020-11-29 23:55:24,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:24,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:24,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:24,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:24,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:24,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:24,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:24,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:24,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... [2020-11-29 23:55:24,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:24,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:24,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:24,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:24,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/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 23:55:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:25,449 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:25,449 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-29 23:55:25,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:25 BoogieIcfgContainer [2020-11-29 23:55:25,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:25,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:55:25,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:55:25,460 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:55:25,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:55:25,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:55:23" (1/3) ... [2020-11-29 23:55:25,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bdd7144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:55:25, skipping insertion in model container [2020-11-29 23:55:25,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:55:25,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:24" (2/3) ... [2020-11-29 23:55:25,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bdd7144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:55:25, skipping insertion in model container [2020-11-29 23:55:25,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:55:25,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:25" (3/3) ... [2020-11-29 23:55:25,469 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2020-11-29 23:55:25,519 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:55:25,520 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:55:25,520 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:55:25,520 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:55:25,520 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:55:25,520 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:55:25,521 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:55:25,521 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:55:25,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states. [2020-11-29 23:55:25,555 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-29 23:55:25,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:55:25,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:55:25,564 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:55:25,564 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:25,564 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:55:25,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states. [2020-11-29 23:55:25,577 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-29 23:55:25,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:55:25,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:55:25,579 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:55:25,579 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:25,593 INFO L794 eck$LassoCheckResult]: Stem: 34#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~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 25#L388true 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; 46#L396true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 47#L875true assume 0 != main_~tmp~6; 14#L852true 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; 5#L409-1true [2020-11-29 23:55:25,594 INFO L796 eck$LassoCheckResult]: Loop: 5#L409-1true assume !false; 29#L59true assume test_~splverifierCounter~0 < 4; 45#L60true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 61#L68true assume !(0 != test_~tmp~0); 60#L68-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 53#L78true assume !(0 != test_~tmp___0~0); 52#L78-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 40#L88true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 49#L96-1true assume !(0 != ~pumpRunning~0); 44#L132true assume !(0 != ~systemActive~0); 35#L139true havoc __utac_acc__Specification1_spec__1_#t~ret40, __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 39#L326true __utac_acc__Specification1_spec__1_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret40;havoc __utac_acc__Specification1_spec__1_#t~ret40; 3#L409true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 5#L409-1true [2020-11-29 23:55:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:25,600 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 23:55:25,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:25,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572812124] [2020-11-29 23:55:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:25,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,062 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:55:26,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:26,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941106, now seen corresponding path program 1 times [2020-11-29 23:55:26,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:26,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83347868] [2020-11-29 23:55:26,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:55:26,147 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 23:55:26,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83347868] [2020-11-29 23:55:26,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:55:26,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:55:26,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100090731] [2020-11-29 23:55:26,154 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 23:55:26,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:55:26,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:55:26,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:55:26,171 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2020-11-29 23:55:26,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:55:26,247 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2020-11-29 23:55:26,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:55:26,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2020-11-29 23:55:26,255 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2020-11-29 23:55:26,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2020-11-29 23:55:26,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2020-11-29 23:55:26,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2020-11-29 23:55:26,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2020-11-29 23:55:26,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:55:26,264 INFO L691 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2020-11-29 23:55:26,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2020-11-29 23:55:26,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2020-11-29 23:55:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-11-29 23:55:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2020-11-29 23:55:26,297 INFO L714 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2020-11-29 23:55:26,298 INFO L594 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2020-11-29 23:55:26,298 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:55:26,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2020-11-29 23:55:26,300 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2020-11-29 23:55:26,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:55:26,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:55:26,301 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:55:26,301 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:55:26,301 INFO L794 eck$LassoCheckResult]: Stem: 210#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~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(77, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(101, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(116, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(104, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string34.base, #t~string34.offset, 1);call write~init~int(82, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(73, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(84, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 4 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(75, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 194#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 195#L388 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; 202#L396 main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 225#L875 assume 0 != main_~tmp~6; 196#L852 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; 177#L409-1 [2020-11-29 23:55:26,302 INFO L796 eck$LassoCheckResult]: Loop: 177#L409-1 assume !false; 241#L59 assume test_~splverifierCounter~0 < 4; 223#L60 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 224#L68 assume !(0 != test_~tmp~0); 228#L68-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 235#L78 assume !(0 != test_~tmp___0~0); 229#L78-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 230#L88 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 218#L96-1 assume !(0 != ~pumpRunning~0); 221#L132 assume 0 != ~systemActive~0; 222#L139 havoc __utac_acc__Specification1_spec__1_#t~ret40, __utac_acc__Specification1_spec__1_#t~ret41, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 216#L326 __utac_acc__Specification1_spec__1_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret40;havoc __utac_acc__Specification1_spec__1_#t~ret40; 176#L409 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 177#L409-1 [2020-11-29 23:55:26,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:26,302 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 23:55:26,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:26,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838856766] [2020-11-29 23:55:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,473 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,508 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:55:26,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:26,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030479, now seen corresponding path program 1 times [2020-11-29 23:55:26,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:26,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693457153] [2020-11-29 23:55:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,527 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,530 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:55:26,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:26,531 INFO L82 PathProgramCache]: Analyzing trace with hash 41248459, now seen corresponding path program 1 times [2020-11-29 23:55:26,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:55:26,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918475918] [2020-11-29 23:55:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:55:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:26,688 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:26,707 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:55:26,815 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-29 23:56:39,741 WARN L193 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 23:57:28,482 WARN L193 SmtUtils]: Spent 48.73 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 23:57:28,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:57:28 BoogieIcfgContainer [2020-11-29 23:57:28,600 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:57:28,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:28,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:28,601 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:28,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:25" (3/4) ... [2020-11-29 23:57:28,604 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 23:57:28,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_64352335-ce6a-4c1e-be51-f78fc8100911/bin/uautomizer/witness.graphml [2020-11-29 23:57:28,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:28,661 INFO L168 Benchmark]: Toolchain (without parser) took 124828.29 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 71.9 MB in the beginning and 80.3 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,665 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 66.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:28,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.86 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.81 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,674 INFO L168 Benchmark]: Boogie Preprocessor took 52.83 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,674 INFO L168 Benchmark]: RCFGBuilder took 920.04 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 53.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,675 INFO L168 Benchmark]: BuchiAutomizer took 123144.21 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 53.8 MB in the beginning and 83.4 MB in the end (delta: -29.5 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,675 INFO L168 Benchmark]: Witness Printer took 55.77 ms. Allocated memory is still 121.6 MB. Free memory was 83.4 MB in the beginning and 80.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:28,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 77.6 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 66.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.86 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.81 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 65.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.83 ms. Allocated memory is still 100.7 MB. Free memory was 65.7 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 920.04 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 53.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 123144.21 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 53.8 MB in the beginning and 83.4 MB in the end (delta: -29.5 MB). Peak memory consumption was 57.1 MB. Max. memory is 16.1 GB. * Witness Printer took 55.77 ms. Allocated memory is still 121.6 MB. Free memory was 83.4 MB in the beginning and 80.3 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 123.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 122.8s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 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: 58]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8547} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a1e9303=78, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c52c6d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@554327c=0, NULL=8547, NULL=8565, NULL=0, NULL=0, NULL=8574, NULL=8562, retValue_acc=0, NULL=8567, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@504860e5=0, NULL=8573, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19888315=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dbe0d08=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=8568, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d950af=0, NULL=8556, NULL=8561, cleanupTimeShifts=4, tmp=0, NULL=8560, NULL=8555, NULL=0, systemActive=1, waterLevel=1, NULL=8571, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, tmp___0=0, NULL=8563, NULL=8548, \result=1, NULL=8557, head=0, pumpRunning=0, \result=0, NULL=8569, NULL=0, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp=1, retValue_acc=1, NULL=8575, NULL=8558, NULL=0, NULL=0, NULL=0, NULL=0, NULL=8550, tmp___2=78, NULL=8549, NULL=8552, splverifierCounter=0, NULL=0, \result=0, NULL=8564, NULL=8551, NULL=8570, head=0, NULL=0, NULL=0, NULL=8553, NULL=0, NULL=0, NULL=8559, NULL=8554, NULL=0, NULL=8566, NULL=8572} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L283] int waterLevel = 1; [L284] int methaneLevelCritical = 0; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L793] int cleanupTimeShifts = 4; [L866] int retValue_acc ; [L867] int tmp ; [L392] int retValue_acc ; [L395] retValue_acc = 1 [L396] return (retValue_acc); [L873] tmp = valid_product() [L875] COND TRUE \read(tmp) [L49] int splverifierCounter ; [L50] int tmp ; [L51] int tmp___0 ; [L52] int tmp___1 ; [L53] int tmp___2 ; [L56] splverifierCounter = 0 Loop: [L58] COND TRUE 1 [L60] COND TRUE splverifierCounter < 4 [L66] tmp = __VERIFIER_nondet_int() [L68] COND FALSE !(\read(tmp)) [L76] tmp___0 = __VERIFIER_nondet_int() [L78] COND FALSE !(\read(tmp___0)) [L86] tmp___2 = __VERIFIER_nondet_int() [L88] COND TRUE \read(tmp___2) [L268] systemActive = 1 [L132] COND FALSE !(\read(pumpRunning)) [L139] COND TRUE \read(systemActive) [L402] int tmp ; [L403] int tmp___0 ; [L322] int retValue_acc ; [L325] retValue_acc = methaneLevelCritical [L326] return (retValue_acc); [L407] tmp = isMethaneLevelCritical() [L409] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...