./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.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_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/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 940a6c0753395d96116ae06c1efb8d37a63bc3d5 ........................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:23:44,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:23:44,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:23:44,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:23:44,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:23:44,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:23:44,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:23:44,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:23:44,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:23:44,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:23:44,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:23:44,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:23:44,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:23:44,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:23:44,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:23:44,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:23:44,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:23:44,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:23:44,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:23:44,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:23:44,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:23:44,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:23:44,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:23:44,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:23:44,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:23:44,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:23:44,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:23:44,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:23:44,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:23:44,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:23:44,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:23:44,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:23:44,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:23:44,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:23:44,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:23:44,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:23:44,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:23:44,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:23:44,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:23:44,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:23:44,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:23:44,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:23:44,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:23:44,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:23:44,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:23:44,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:23:44,457 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:23:44,457 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:23:44,458 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:23:44,458 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:23:44,458 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:23:44,459 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:23:44,459 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:23:44,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:23:44,460 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:23:44,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:23:44,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:23:44,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:23:44,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:23:44,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:23:44,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:23:44,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:23:44,462 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:23:44,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:23:44,462 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:23:44,463 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:23:44,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:23:44,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:23:44,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:23:44,464 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:23:44,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:23:44,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:23:44,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:23:44,465 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:23:44,466 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:23:44,467 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_60edd014-f308-4f74-af3c-598ace9526e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 940a6c0753395d96116ae06c1efb8d37a63bc3d5 [2020-11-29 19:23:44,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:23:44,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:23:44,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:23:44,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:23:44,783 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:23:44,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2020-11-29 19:23:44,865 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/data/b199dfdfa/427aecf506624b0e80bfd4426c173ad1/FLAGf81114f48 [2020-11-29 19:23:45,485 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:23:45,485 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2020-11-29 19:23:45,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/data/b199dfdfa/427aecf506624b0e80bfd4426c173ad1/FLAGf81114f48 [2020-11-29 19:23:45,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/data/b199dfdfa/427aecf506624b0e80bfd4426c173ad1 [2020-11-29 19:23:45,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:23:45,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:23:45,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:45,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:23:45,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:23:45,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:45" (1/1) ... [2020-11-29 19:23:45,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfa8484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:45, skipping insertion in model container [2020-11-29 19:23:45,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:23:45" (1/1) ... [2020-11-29 19:23:45,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:23:45,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:23:46,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:46,319 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:23:46,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:23:46,439 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:23:46,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46 WrapperNode [2020-11-29 19:23:46,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:23:46,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:46,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:23:46,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:23:46,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:23:46,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:23:46,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:23:46,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:23:46,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... [2020-11-29 19:23:46,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:23:46,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:23:46,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:23:46,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:23:46,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:23:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:23:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:23:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:23:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:23:47,879 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:23:47,881 INFO L298 CfgBuilder]: Removed 86 assume(true) statements. [2020-11-29 19:23:47,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:47 BoogieIcfgContainer [2020-11-29 19:23:47,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:23:47,886 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:23:47,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:23:47,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:23:47,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:23:47,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:23:45" (1/3) ... [2020-11-29 19:23:47,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@268ada4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:23:47, skipping insertion in model container [2020-11-29 19:23:47,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:23:47,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:23:46" (2/3) ... [2020-11-29 19:23:47,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@268ada4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:23:47, skipping insertion in model container [2020-11-29 19:23:47,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:23:47,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:47" (3/3) ... [2020-11-29 19:23:47,903 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2020-11-29 19:23:47,994 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:23:47,994 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:23:47,995 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:23:47,995 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:23:47,995 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:23:47,996 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:23:47,996 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:23:47,996 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:23:48,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 19:23:48,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 19:23:48,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:23:48,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:23:48,070 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:48,070 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:48,070 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:23:48,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2020-11-29 19:23:48,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 19:23:48,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:23:48,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:23:48,089 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:48,089 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:48,094 INFO L794 eck$LassoCheckResult]: Stem: 26#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 4#L-1true havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 30#L827true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 36#L835true main_#t~ret39 := valid_product_#res;main_~tmp~2 := main_#t~ret39;havoc main_#t~ret39; 25#L425true assume 0 != main_~tmp~2; 51#L397true ~switchedOnBeforeTS~0 := 0; 34#L846true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L867-1true [2020-11-29 19:23:48,095 INFO L796 eck$LassoCheckResult]: Loop: 16#L867-1true assume !false; 22#L275true assume test_~splverifierCounter~0 < 4; 38#L276true test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 54#L284true assume !(0 != test_~tmp~1); 48#L284-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 37#L294true assume !(0 != test_~tmp___0~0); 35#L294-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 31#L304true assume 0 != test_~tmp___2~0; 61#L310-2true havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 60#L222true __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 14#L856true assume !(0 != ~pumpRunning~0); 52#L145true assume 0 != ~systemActive~0; 66#L152true havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 50#L123true __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 12#L867true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 16#L867-1true [2020-11-29 19:23:48,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:48,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 19:23:48,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:48,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918855869] [2020-11-29 19:23:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:48,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:48,559 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:48,622 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:23:48,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:48,625 INFO L82 PathProgramCache]: Analyzing trace with hash 93307153, now seen corresponding path program 1 times [2020-11-29 19:23:48,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:48,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131036030] [2020-11-29 19:23:48,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:48,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:48,643 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:48,650 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:23:48,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:48,662 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332363, now seen corresponding path program 1 times [2020-11-29 19:23:48,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:48,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778128655] [2020-11-29 19:23:48,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:23:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:23:48,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778128655] [2020-11-29 19:23:48,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:23:48,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:23:48,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296282349] [2020-11-29 19:23:48,979 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 19:23:49,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:23:49,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:23:49,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:23:49,108 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 5 states. [2020-11-29 19:23:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:23:49,507 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2020-11-29 19:23:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:23:49,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2020-11-29 19:23:49,520 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 19:23:49,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2020-11-29 19:23:49,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2020-11-29 19:23:49,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2020-11-29 19:23:49,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2020-11-29 19:23:49,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:23:49,539 INFO L691 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2020-11-29 19:23:49,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2020-11-29 19:23:49,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2020-11-29 19:23:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-11-29 19:23:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2020-11-29 19:23:49,588 INFO L714 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 19:23:49,588 INFO L594 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2020-11-29 19:23:49,588 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:23:49,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2020-11-29 19:23:49,591 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2020-11-29 19:23:49,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:23:49,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:23:49,593 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:49,593 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:23:49,593 INFO L794 eck$LassoCheckResult]: Stem: 279#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 249#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 250#L827 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 284#L835 main_#t~ret39 := valid_product_#res;main_~tmp~2 := main_#t~ret39;havoc main_#t~ret39; 277#L425 assume 0 != main_~tmp~2; 278#L397 ~switchedOnBeforeTS~0 := 0; 289#L846 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 262#L867-1 [2020-11-29 19:23:49,594 INFO L796 eck$LassoCheckResult]: Loop: 262#L867-1 assume !false; 263#L275 assume test_~splverifierCounter~0 < 4; 272#L276 test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 293#L284 assume !(0 != test_~tmp~1); 351#L284-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 350#L294 assume !(0 != test_~tmp___0~0); 348#L294-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 347#L304 assume 0 != test_~tmp___2~0; 345#L310-2 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 344#L222 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 343#L856 assume !(0 != ~pumpRunning~0); 305#L145 assume 0 != ~systemActive~0; 306#L152 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 322#L123 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 255#L867 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 256#L222-1 __utac_acc__Specification5_spec__3_#t~ret78 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 280#L871 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 262#L867-1 [2020-11-29 19:23:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 19:23:49,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:49,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750983329] [2020-11-29 19:23:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,775 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:23:49,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:49,819 INFO L82 PathProgramCache]: Analyzing trace with hash -526156084, now seen corresponding path program 1 times [2020-11-29 19:23:49,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:49,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184504406] [2020-11-29 19:23:49,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:23:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:23:49,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768442, now seen corresponding path program 1 times [2020-11-29 19:23:49,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:23:49,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338909668] [2020-11-29 19:23:49,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:23:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:49,942 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:49,967 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:23:50,114 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-11-29 19:25:18,099 WARN L193 SmtUtils]: Spent 1.46 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 19:26:16,568 WARN L193 SmtUtils]: Spent 58.44 s on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 19:26:16,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:26:16 BoogieIcfgContainer [2020-11-29 19:26:16,895 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:26:16,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:26:16,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:26:16,897 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:26:16,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:23:47" (3/4) ... [2020-11-29 19:26:16,902 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:26:16,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_60edd014-f308-4f74-af3c-598ace9526e1/bin/uautomizer/witness.graphml [2020-11-29 19:26:16,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:26:16,992 INFO L168 Benchmark]: Toolchain (without parser) took 151204.68 ms. Allocated memory was 146.8 MB in the beginning and 176.2 MB in the end (delta: 29.4 MB). Free memory was 121.0 MB in the beginning and 82.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 67.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,993 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 96.5 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:26:16,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.51 ms. Allocated memory is still 146.8 MB. Free memory was 121.0 MB in the beginning and 114.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.26 ms. Allocated memory is still 146.8 MB. Free memory was 114.2 MB in the beginning and 111.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,995 INFO L168 Benchmark]: Boogie Preprocessor took 49.80 ms. Allocated memory is still 146.8 MB. Free memory was 111.6 MB in the beginning and 109.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,996 INFO L168 Benchmark]: RCFGBuilder took 1312.67 ms. Allocated memory is still 146.8 MB. Free memory was 109.5 MB in the beginning and 63.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,996 INFO L168 Benchmark]: BuchiAutomizer took 149008.50 ms. Allocated memory was 146.8 MB in the beginning and 176.2 MB in the end (delta: 29.4 MB). Free memory was 63.0 MB in the beginning and 84.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:16,998 INFO L168 Benchmark]: Witness Printer took 93.66 ms. Allocated memory is still 176.2 MB. Free memory was 84.4 MB in the beginning and 82.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:26:17,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 96.5 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 651.51 ms. Allocated memory is still 146.8 MB. Free memory was 121.0 MB in the beginning and 114.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.26 ms. Allocated memory is still 146.8 MB. Free memory was 114.2 MB in the beginning and 111.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.80 ms. Allocated memory is still 146.8 MB. Free memory was 111.6 MB in the beginning and 109.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1312.67 ms. Allocated memory is still 146.8 MB. Free memory was 109.5 MB in the beginning and 63.0 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 149008.50 ms. Allocated memory was 146.8 MB in the beginning and 176.2 MB in the end (delta: 29.4 MB). Free memory was 63.0 MB in the beginning and 84.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 48.3 MB. Max. memory is 16.1 GB. * Witness Printer took 93.66 ms. Allocated memory is still 176.2 MB. Free memory was 84.4 MB in the beginning and 82.4 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 148.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 148.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 274]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=17361} State at position 1 is {NULL=0, NULL=0, NULL=17366, NULL=0, NULL=17361, retValue_acc=0, NULL=17367, NULL=0, NULL=0, NULL=17385, NULL=17386, methaneLevelCritical=0, NULL=17365, tmp=1, NULL=0, NULL=0, NULL=17376, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@348fc8ba=0, NULL=0, NULL=0, NULL=0, NULL=17363, NULL=17372, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66b6b358=0, cleanupTimeShifts=4, NULL=17380, tmp=0, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f3ddd62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78dca109=52, NULL=17364, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@779ae98f=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5803b3d0=0, NULL=0, systemActive=1, waterLevel=1, NULL=17384, \result=1, NULL=0, NULL=0, NULL=0, NULL=17382, NULL=0, NULL=17373, NULL=0, tmp___0=0, NULL=17383, NULL=0, NULL=17375, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, tmp___0=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7634f8af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@426ca4dd=0, NULL=0, NULL=17370, retValue_acc=1, NULL=17379, NULL=17389, NULL=0, NULL=0, NULL=17388, tmp___2=52, NULL=17371, NULL=17377, splverifierCounter=0, NULL=0, NULL=0, NULL=17374, NULL=17368, NULL=17381, head=0, NULL=0, NULL=0, NULL=17387, NULL=0, NULL=0, NULL=17369, NULL=17378, NULL=0, NULL=17362, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L338] int cleanupTimeShifts = 4; [L608] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L840] int switchedOnBeforeTS ; [L416] int retValue_acc ; [L417] int tmp ; [L831] int retValue_acc ; [L834] retValue_acc = 1 [L835] return (retValue_acc); [L423] tmp = valid_product() [L425] COND TRUE \read(tmp) [L845] switchedOnBeforeTS = 0 [L265] int splverifierCounter ; [L266] int tmp ; [L267] int tmp___0 ; [L268] int tmp___1 ; [L269] int tmp___2 ; [L272] splverifierCounter = 0 Loop: [L274] COND TRUE 1 [L276] COND TRUE splverifierCounter < 4 [L282] tmp = __VERIFIER_nondet_int() [L284] COND FALSE !(\read(tmp)) [L292] tmp___0 = __VERIFIER_nondet_int() [L294] COND FALSE !(\read(tmp___0)) [L302] tmp___2 = __VERIFIER_nondet_int() [L304] COND TRUE \read(tmp___2) [L218] int retValue_acc ; [L221] retValue_acc = pumpRunning [L222] return (retValue_acc); [L854] switchedOnBeforeTS = isPumpRunning() [L145] COND FALSE !(\read(pumpRunning)) [L152] COND TRUE \read(systemActive) [L860] int tmp ; [L861] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L865] tmp = getWaterLevel() [L867] COND TRUE tmp != 2 [L218] int retValue_acc ; [L221] retValue_acc = pumpRunning [L222] return (retValue_acc); [L869] tmp___0 = isPumpRunning() [L871] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...