./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/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 ad44d32391aa6283f5e8433cbefa6aad81c0febf ................................................................................................................................................................................................................................................................................................................................................................................ 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 20:14:11,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:14:11,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:14:11,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:14:11,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:14:11,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:14:11,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:14:11,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:14:11,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:14:11,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:14:11,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:14:11,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:14:11,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:14:11,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:14:11,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:14:11,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:14:11,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:14:11,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:14:11,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:14:11,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:14:11,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:14:11,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:14:11,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:14:11,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:14:11,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:14:11,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:14:11,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:14:11,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:14:11,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:14:11,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:14:11,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:14:11,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:14:11,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:14:11,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:14:11,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:14:11,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:14:11,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:14:11,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:14:11,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:14:11,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:14:11,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:14:11,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:14:11,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:14:11,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:14:11,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:14:11,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:14:11,450 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:14:11,450 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:14:11,451 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:14:11,451 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:14:11,451 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:14:11,451 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:14:11,453 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:14:11,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:14:11,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:14:11,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:14:11,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:14:11,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:14:11,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:14:11,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:14:11,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:14:11,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:14:11,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:14:11,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:14:11,456 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:14:11,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:14:11,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:14:11,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:14:11,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:14:11,457 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:14:11,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:14:11,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:14:11,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:14:11,460 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:14:11,462 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:14:11,462 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_7cc86f5c-d858-4b36-945e-a04fb94a2861/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad44d32391aa6283f5e8433cbefa6aad81c0febf [2020-11-29 20:14:11,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:14:11,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:14:11,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:14:11,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:14:11,773 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:14:11,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-29 20:14:11,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/data/015b036be/a0e311c02a254d51803a7e1c7920ae3f/FLAG44769121e [2020-11-29 20:14:12,351 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:14:12,352 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-29 20:14:12,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/data/015b036be/a0e311c02a254d51803a7e1c7920ae3f/FLAG44769121e [2020-11-29 20:14:12,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/data/015b036be/a0e311c02a254d51803a7e1c7920ae3f [2020-11-29 20:14:12,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:14:12,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:14:12,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:12,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:14:12,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:14:12,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:12" (1/1) ... [2020-11-29 20:14:12,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2db3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:12, skipping insertion in model container [2020-11-29 20:14:12,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:14:12" (1/1) ... [2020-11-29 20:14:12,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:14:12,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:14:13,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:13,193 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:14:13,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:14:13,374 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:14:13,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13 WrapperNode [2020-11-29 20:14:13,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:14:13,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:13,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:14:13,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:14:13,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:14:13,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:14:13,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:14:13,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:14:13,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... [2020-11-29 20:14:13,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:14:13,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:14:13,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:14:13,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:14:13,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/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 20:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:14:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:14:13,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:14:14,682 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:14:14,682 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-29 20:14:14,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:14 BoogieIcfgContainer [2020-11-29 20:14:14,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:14:14,685 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:14:14,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:14:14,692 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:14:14,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:14:14,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:14:12" (1/3) ... [2020-11-29 20:14:14,695 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16eaf984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:14:14, skipping insertion in model container [2020-11-29 20:14:14,695 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:14:14,695 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:14:13" (2/3) ... [2020-11-29 20:14:14,696 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16eaf984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:14:14, skipping insertion in model container [2020-11-29 20:14:14,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:14:14,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:14" (3/3) ... [2020-11-29 20:14:14,698 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product19.cil.c [2020-11-29 20:14:14,747 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:14:14,747 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:14:14,747 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:14:14,747 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:14:14,747 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:14:14,748 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:14:14,748 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:14:14,748 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:14:14,763 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2020-11-29 20:14:14,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2020-11-29 20:14:14,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:14:14,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:14:14,797 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:14:14,797 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:14:14,797 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:14:14,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2020-11-29 20:14:14,812 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2020-11-29 20:14:14,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:14:14,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:14:14,813 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:14:14,813 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:14:14,817 INFO L794 eck$LassoCheckResult]: Stem: 32#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);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(75, #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(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 8#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 5#L566true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 10#L574true main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 63#L664true assume 0 != main_~tmp~4; 30#L640true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 50#L53-1true [2020-11-29 20:14:14,818 INFO L796 eck$LassoCheckResult]: Loop: 50#L53-1true assume !false; 16#L859true assume test_~splverifierCounter~0 < 4; 34#L860true test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 38#L868true assume !(0 != test_~tmp~7); 40#L868-1true test_~tmp___0~2 := test_#t~nondet76;havoc test_#t~nondet76; 23#L878true assume !(0 != test_~tmp___0~2); 24#L878-1true test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 4#L888true assume 0 != test_~tmp___2~0; 54#L894-1true assume !(0 != ~pumpRunning~0); 35#L688true assume !(0 != ~systemActive~0); 27#L695true havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 55#L129true __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 70#L53true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 50#L53-1true [2020-11-29 20:14:14,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:14,825 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 20:14:14,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:14,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370868643] [2020-11-29 20:14:14,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:15,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:15,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:15,266 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:14:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:15,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095027, now seen corresponding path program 1 times [2020-11-29 20:14:15,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:15,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739449733] [2020-11-29 20:14:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:15,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:15,284 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:15,290 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:14:15,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:15,292 INFO L82 PathProgramCache]: Analyzing trace with hash 41183911, now seen corresponding path program 1 times [2020-11-29 20:14:15,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:15,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470809210] [2020-11-29 20:14:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:14:15,479 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 20:14:15,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470809210] [2020-11-29 20:14:15,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:14:15,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:14:15,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441714968] [2020-11-29 20:14:15,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:14:15,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:14:15,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 20:14:15,624 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2020-11-29 20:14:15,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:14:15,951 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2020-11-29 20:14:15,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:14:15,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2020-11-29 20:14:15,966 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2020-11-29 20:14:15,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2020-11-29 20:14:15,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2020-11-29 20:14:15,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2020-11-29 20:14:15,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2020-11-29 20:14:15,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:14:15,979 INFO L691 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2020-11-29 20:14:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2020-11-29 20:14:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2020-11-29 20:14:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-11-29 20:14:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2020-11-29 20:14:16,021 INFO L714 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2020-11-29 20:14:16,021 INFO L594 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2020-11-29 20:14:16,022 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:14:16,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2020-11-29 20:14:16,024 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2020-11-29 20:14:16,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:14:16,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:14:16,026 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 20:14:16,026 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:14:16,026 INFO L794 eck$LassoCheckResult]: Stem: 326#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(77, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(101, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(116, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(104, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string14.base, #t~string14.offset, 1);call write~init~int(82, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(73, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(84, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 4 + #t~string14.offset, 1);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(75, #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(2);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 299#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 293#L566 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 294#L574 main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 302#L664 assume 0 != main_~tmp~4; 323#L640 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 324#L53-1 [2020-11-29 20:14:16,027 INFO L796 eck$LassoCheckResult]: Loop: 324#L53-1 assume !false; 306#L859 assume test_~splverifierCounter~0 < 4; 307#L860 test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 328#L868 assume !(0 != test_~tmp~7); 331#L868-1 test_~tmp___0~2 := test_#t~nondet76;havoc test_#t~nondet76; 315#L878 assume !(0 != test_~tmp___0~2); 316#L878-1 test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 290#L888 assume 0 != test_~tmp___2~0; 291#L894-1 assume !(0 != ~pumpRunning~0); 320#L688 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 308#L720 assume !(0 != ~pumpRunning~0); 301#L695 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 321#L129 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 344#L53 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 324#L53-1 [2020-11-29 20:14:16,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:16,028 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 20:14:16,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:16,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563119066] [2020-11-29 20:14:16,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,155 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:14:16,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:16,184 INFO L82 PathProgramCache]: Analyzing trace with hash -353331267, now seen corresponding path program 1 times [2020-11-29 20:14:16,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:16,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049335232] [2020-11-29 20:14:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,193 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,203 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:14:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:14:16,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708259, now seen corresponding path program 1 times [2020-11-29 20:14:16,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:14:16,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113490805] [2020-11-29 20:14:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:14:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:14:16,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:14:16,409 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:15:36,683 WARN L193 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 20:16:32,110 WARN L193 SmtUtils]: Spent 55.40 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 20:16:32,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:16:32 BoogieIcfgContainer [2020-11-29 20:16:32,411 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:16:32,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:16:32,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:16:32,412 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:16:32,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:14:14" (3/4) ... [2020-11-29 20:16:32,415 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 20:16:32,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7cc86f5c-d858-4b36-945e-a04fb94a2861/bin/uautomizer/witness.graphml [2020-11-29 20:16:32,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:16:32,486 INFO L168 Benchmark]: Toolchain (without parser) took 139803.43 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 138.8 MB in the end (delta: -61.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,490 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 104.9 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:16:32,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.71 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 70.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.40 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 67.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,498 INFO L168 Benchmark]: Boogie Preprocessor took 94.25 ms. Allocated memory is still 104.9 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,499 INFO L168 Benchmark]: RCFGBuilder took 1112.28 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 65.2 MB in the beginning and 82.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,499 INFO L168 Benchmark]: BuchiAutomizer took 137725.64 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 82.4 MB in the beginning and 140.9 MB in the end (delta: -58.6 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,501 INFO L168 Benchmark]: Witness Printer took 72.94 ms. Allocated memory is still 172.0 MB. Free memory was 140.9 MB in the beginning and 138.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:16:32,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 104.9 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.71 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 70.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.40 ms. Allocated memory is still 104.9 MB. Free memory was 70.0 MB in the beginning and 67.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.25 ms. Allocated memory is still 104.9 MB. Free memory was 67.3 MB in the beginning and 65.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1112.28 ms. Allocated memory was 104.9 MB in the beginning and 142.6 MB in the end (delta: 37.7 MB). Free memory was 65.2 MB in the beginning and 82.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 137725.64 ms. Allocated memory was 142.6 MB in the beginning and 172.0 MB in the end (delta: 29.4 MB). Free memory was 82.4 MB in the beginning and 140.9 MB in the end (delta: -58.6 MB). Peak memory consumption was 68.7 MB. Max. memory is 16.1 GB. * Witness Printer took 72.94 ms. Allocated memory is still 172.0 MB. Free memory was 140.9 MB in the beginning and 138.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 137.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 137.1s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 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: 858]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=26715} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=26717, NULL=0, NULL=0, NULL=26715, NULL=26737, NULL=0, NULL=26742, NULL=0, NULL=0, NULL=26731, NULL=26739, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51a2a4df=0, methaneLevelCritical=0, NULL=26743, NULL=0, NULL=0, NULL=26720, tmp=0, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=26738, cleanupTimeShifts=4, NULL=26716, NULL=26728, NULL=26741, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cb9b2bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@344b3854=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3af5ebe=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1416291e=0, systemActive=1, waterLevel=1, NULL=26723, NULL=0, NULL=0, NULL=0, NULL=0, NULL=26740, NULL=0, NULL=26736, NULL=0, NULL=26725, \result=1, NULL=26746, head=0, pumpRunning=0, NULL=26724, \result=0, tmp=1, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a20f37c=0, NULL=26735, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d41d599=0, NULL=26732, NULL=26730, retValue_acc=1, NULL=0, NULL=0, NULL=26722, tmp___2=63, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46f0ed7f=0, \result=0, NULL=26733, NULL=26729, NULL=26727, head=0, tmp=0, NULL=0, NULL=0, NULL=26721, NULL=26719, NULL=0, NULL=26734, NULL=26726} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L579] int cleanupTimeShifts = 4; [L681] int pumpRunning = 0; [L682] int systemActive = 1; [L655] int retValue_acc ; [L656] int tmp ; [L570] int retValue_acc ; [L573] retValue_acc = 1 [L574] return (retValue_acc); [L662] tmp = valid_product() [L664] COND TRUE \read(tmp) [L849] int splverifierCounter ; [L850] int tmp ; [L851] int tmp___0 ; [L852] int tmp___1 ; [L853] int tmp___2 ; [L856] splverifierCounter = 0 Loop: [L858] COND TRUE 1 [L860] COND TRUE splverifierCounter < 4 [L866] tmp = __VERIFIER_nondet_int() [L868] COND FALSE !(\read(tmp)) [L876] tmp___0 = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp___0)) [L886] tmp___2 = __VERIFIER_nondet_int() [L888] COND TRUE \read(tmp___2) [L688] COND FALSE !(\read(pumpRunning)) [L695] COND TRUE \read(systemActive) [L717] int tmp ; [L720] COND FALSE !(\read(pumpRunning)) [L46] int tmp ; [L47] int tmp___0 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...