./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.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_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 ........................................................................................................................................................................................................................................................................................................................................................................ 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 [2020-11-30 00:29:13,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:29:13,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:29:13,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:29:13,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:29:13,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:29:13,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:29:13,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:29:13,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:29:13,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:29:13,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:29:13,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:29:13,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:29:13,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:29:13,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:29:13,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:29:13,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:29:13,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:29:13,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:29:13,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:29:13,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:29:13,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:29:13,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:29:13,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:29:13,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:29:13,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:29:13,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:29:13,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:29:13,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:29:13,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:29:13,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:29:13,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:29:13,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:29:13,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:29:13,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:29:13,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:29:13,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:29:13,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:29:13,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:29:13,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:29:13,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:29:13,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:29:13,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:29:13,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:29:13,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:29:13,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:29:13,457 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:29:13,458 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:29:13,458 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:29:13,458 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:29:13,458 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:29:13,458 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:29:13,459 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:29:13,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:29:13,459 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:29:13,459 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:29:13,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:29:13,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:29:13,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:29:13,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:29:13,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:29:13,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:29:13,461 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:29:13,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:29:13,461 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:29:13,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:29:13,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:29:13,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:29:13,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:29:13,462 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:29:13,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:29:13,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:29:13,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:29:13,463 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:29:13,464 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:29:13,465 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_842a2b4c-6d16-468b-9f96-2415f0981158/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2020-11-30 00:29:13,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:29:13,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:29:13,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:29:13,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:29:13,755 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:29:13,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-30 00:29:13,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/data/b5339dd32/be634877e67249589ac8d45b63ce470d/FLAG90d35dbfa [2020-11-30 00:29:14,387 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:29:14,387 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-11-30 00:29:14,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/data/b5339dd32/be634877e67249589ac8d45b63ce470d/FLAG90d35dbfa [2020-11-30 00:29:14,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/data/b5339dd32/be634877e67249589ac8d45b63ce470d [2020-11-30 00:29:14,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:29:14,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:29:14,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:14,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:29:14,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:29:14,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:14" (1/1) ... [2020-11-30 00:29:14,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd82bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:14, skipping insertion in model container [2020-11-30 00:29:14,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:29:14" (1/1) ... [2020-11-30 00:29:14,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:29:14,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:29:15,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:15,174 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:29:15,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:29:15,318 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:29:15,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15 WrapperNode [2020-11-30 00:29:15,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:29:15,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:15,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:29:15,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:29:15,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:29:15,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:29:15,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:29:15,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:29:15,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... [2020-11-30 00:29:15,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:29:15,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:29:15,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:29:15,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:29:15,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/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 [2020-11-30 00:29:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:29:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:29:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:29:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:29:16,387 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:29:16,392 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-30 00:29:16,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:16 BoogieIcfgContainer [2020-11-30 00:29:16,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:29:16,396 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:29:16,396 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:29:16,400 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:29:16,401 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:16,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:29:14" (1/3) ... [2020-11-30 00:29:16,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fd5b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:29:16, skipping insertion in model container [2020-11-30 00:29:16,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:16,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:29:15" (2/3) ... [2020-11-30 00:29:16,403 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fd5b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:29:16, skipping insertion in model container [2020-11-30 00:29:16,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:29:16,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:16" (3/3) ... [2020-11-30 00:29:16,405 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-11-30 00:29:16,463 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:29:16,463 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:29:16,463 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:29:16,464 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:29:16,464 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:29:16,465 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:29:16,465 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:29:16,465 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:29:16,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states. [2020-11-30 00:29:16,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-30 00:29:16,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:16,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:16,517 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:16,517 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:16,518 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:29:16,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states. [2020-11-30 00:29:16,523 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-30 00:29:16,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:16,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:16,524 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:16,524 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:16,528 INFO L794 eck$LassoCheckResult]: Stem: 30#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 5#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 70#L181true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 62#L189true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 44#L279true assume 0 != main_~tmp~1; 6#L255true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L138-1true [2020-11-30 00:29:16,529 INFO L796 eck$LassoCheckResult]: Loop: 68#L138-1true assume !false; 24#L856true assume test_~splverifierCounter~0 < 4; 34#L857true test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 61#L865true assume !(0 != test_~tmp~7); 67#L865-1true test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 37#L875true assume !(0 != test_~tmp___0~1); 38#L875-1true test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 28#L885true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 32#L893-1true assume !(0 != ~pumpRunning~0); 71#L679true assume !(0 != ~systemActive~0); 51#L686true havoc __utac_acc__Specification1_spec__1_#t~ret17, __utac_acc__Specification1_spec__1_#t~ret18, __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; 3#L91-1true __utac_acc__Specification1_spec__1_#t~ret17 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret17;havoc __utac_acc__Specification1_spec__1_#t~ret17; 7#L138true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 68#L138-1true [2020-11-30 00:29:16,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:16,535 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-30 00:29:16,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:16,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486293063] [2020-11-30 00:29:16,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:16,820 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,069 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:17,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356210, now seen corresponding path program 1 times [2020-11-30 00:29:17,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:17,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171126234] [2020-11-30 00:29:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:29:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:29:17,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171126234] [2020-11-30 00:29:17,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:29:17,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:29:17,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823902189] [2020-11-30 00:29:17,159 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:29:17,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:29:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:29:17,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:29:17,180 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-11-30 00:29:17,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:29:17,256 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2020-11-30 00:29:17,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:29:17,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2020-11-30 00:29:17,268 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2020-11-30 00:29:17,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2020-11-30 00:29:17,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-11-30 00:29:17,280 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-11-30 00:29:17,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2020-11-30 00:29:17,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:29:17,282 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-11-30 00:29:17,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2020-11-30 00:29:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2020-11-30 00:29:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-11-30 00:29:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2020-11-30 00:29:17,332 INFO L714 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2020-11-30 00:29:17,332 INFO L594 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2020-11-30 00:29:17,332 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:29:17,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2020-11-30 00:29:17,341 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2020-11-30 00:29:17,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:29:17,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:29:17,342 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:29:17,342 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:29:17,342 INFO L794 eck$LassoCheckResult]: Stem: 244#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 214#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 215#L181 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 273#L189 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 264#L279 assume 0 != main_~tmp~1; 216#L255 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 217#L138-1 [2020-11-30 00:29:17,342 INFO L796 eck$LassoCheckResult]: Loop: 217#L138-1 assume !false; 277#L856 assume test_~splverifierCounter~0 < 4; 249#L857 test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 250#L865 assume !(0 != test_~tmp~7); 248#L865-1 test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 274#L875 assume !(0 != test_~tmp___0~1); 319#L875-1 test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 318#L885 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 242#L893-1 assume !(0 != ~pumpRunning~0); 314#L679 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 312#L711 assume !(0 != ~pumpRunning~0); 310#L686 havoc __utac_acc__Specification1_spec__1_#t~ret17, __utac_acc__Specification1_spec__1_#t~ret18, __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; 309#L91-1 __utac_acc__Specification1_spec__1_#t~ret17 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret17;havoc __utac_acc__Specification1_spec__1_#t~ret17; 307#L138 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 217#L138-1 [2020-11-30 00:29:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:17,353 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-30 00:29:17,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:17,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346619557] [2020-11-30 00:29:17,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,528 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:17,529 INFO L82 PathProgramCache]: Analyzing trace with hash -323963299, now seen corresponding path program 1 times [2020-11-30 00:29:17,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:17,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408515704] [2020-11-30 00:29:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,550 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:29:17,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:29:17,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076227, now seen corresponding path program 1 times [2020-11-30 00:29:17,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:29:17,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332697726] [2020-11-30 00:29:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:29:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:29:17,720 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:29:17,736 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:30:37,055 WARN L193 SmtUtils]: Spent 1.32 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-30 00:31:33,892 WARN L193 SmtUtils]: Spent 56.83 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-30 00:31:34,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:31:34 BoogieIcfgContainer [2020-11-30 00:31:34,120 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:31:34,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:34,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:34,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:34,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:29:16" (3/4) ... [2020-11-30 00:31:34,132 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 00:31:34,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_842a2b4c-6d16-468b-9f96-2415f0981158/bin/uautomizer/witness.graphml [2020-11-30 00:31:34,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:34,198 INFO L168 Benchmark]: Toolchain (without parser) took 139495.86 ms. Allocated memory was 90.2 MB in the beginning and 140.5 MB in the end (delta: 50.3 MB). Free memory was 59.1 MB in the beginning and 81.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,202 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:34,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.01 ms. Allocated memory is still 90.2 MB. Free memory was 58.9 MB in the beginning and 38.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 90.2 MB. Free memory was 38.3 MB in the beginning and 35.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,204 INFO L168 Benchmark]: Boogie Preprocessor took 60.90 ms. Allocated memory is still 90.2 MB. Free memory was 35.6 MB in the beginning and 33.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,205 INFO L168 Benchmark]: RCFGBuilder took 939.52 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 84.7 MB in the end (delta: -51.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,207 INFO L168 Benchmark]: BuchiAutomizer took 137723.77 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 84.2 MB in the beginning and 84.9 MB in the end (delta: -708.5 kB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,207 INFO L168 Benchmark]: Witness Printer took 76.00 ms. Allocated memory is still 140.5 MB. Free memory was 84.9 MB in the beginning and 81.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:34,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 59.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.01 ms. Allocated memory is still 90.2 MB. Free memory was 58.9 MB in the beginning and 38.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.14 ms. Allocated memory is still 90.2 MB. Free memory was 38.3 MB in the beginning and 35.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.90 ms. Allocated memory is still 90.2 MB. Free memory was 35.6 MB in the beginning and 33.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 939.52 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 33.5 MB in the beginning and 84.7 MB in the end (delta: -51.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 137723.77 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 84.2 MB in the beginning and 84.9 MB in the end (delta: -708.5 kB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. * Witness Printer took 76.00 ms. Allocated memory is still 140.5 MB. Free memory was 84.9 MB in the beginning and 81.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 137.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 137.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 855]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18214} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=18242, NULL=18214, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18220, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16f8bf51=0, NULL=18229, methaneLevelCritical=0, NULL=18240, NULL=18230, NULL=0, NULL=0, tmp=0, NULL=18219, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d29aa93=0, tmp___0=0, NULL=18234, cleanupTimeShifts=4, NULL=18233, NULL=18224, NULL=18236, NULL=18216, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23395275=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78ce43e1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51f3dff9=70, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=18237, NULL=0, NULL=18227, NULL=0, NULL=0, NULL=18222, NULL=0, NULL=18239, \result=1, head=0, pumpRunning=0, NULL=18223, \result=0, NULL=18228, NULL=18217, NULL=18221, tmp=1, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c71fab2=0, NULL=18231, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@542a6922=0, retValue_acc=1, NULL=0, NULL=0, NULL=18241, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=18238, NULL=18218, head=0, tmp=0, NULL=0, NULL=18235, NULL=18232, NULL=18225, NULL=18215, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65b8c778=0, NULL=18226} - 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; [L194] int cleanupTimeShifts = 4; [L471] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L672] int pumpRunning = 0; [L673] int systemActive = 1; [L270] int retValue_acc ; [L271] int tmp ; [L185] int retValue_acc ; [L188] retValue_acc = 1 [L189] return (retValue_acc); [L277] tmp = valid_product() [L279] COND TRUE \read(tmp) [L846] int splverifierCounter ; [L847] int tmp ; [L848] int tmp___0 ; [L849] int tmp___1 ; [L850] int tmp___2 ; [L853] splverifierCounter = 0 Loop: [L855] COND TRUE 1 [L857] COND TRUE splverifierCounter < 4 [L863] tmp = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp)) [L873] tmp___0 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___0)) [L883] tmp___2 = __VERIFIER_nondet_int() [L885] COND TRUE \read(tmp___2) [L840] systemActive = 1 [L679] COND FALSE !(\read(pumpRunning)) [L686] COND TRUE \read(systemActive) [L708] int tmp ; [L711] COND FALSE !(\read(pumpRunning)) [L131] int tmp ; [L132] int tmp___0 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L136] tmp = isMethaneLevelCritical() [L138] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...