./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.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_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/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 c216cc57d84019e61e144b24cb5e9e97dea3f5e5 ....................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:42:06,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:42:06,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:42:06,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:42:06,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:42:06,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:42:06,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:42:06,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:42:06,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:42:06,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:42:06,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:42:06,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:42:06,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:42:06,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:42:06,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:42:06,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:42:06,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:42:06,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:42:06,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:42:06,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:42:06,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:42:06,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:42:06,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:42:06,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:42:06,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:42:06,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:42:06,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:42:06,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:42:06,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:42:06,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:42:06,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:42:06,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:42:06,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:42:06,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:42:06,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:42:06,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:42:06,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:42:06,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:42:06,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:42:06,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:42:06,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:42:06,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:42:06,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:42:06,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:42:06,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:42:06,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:42:06,527 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:42:06,528 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:42:06,528 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:42:06,528 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:42:06,528 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:42:06,528 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:42:06,530 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:42:06,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:42:06,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:42:06,530 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:42:06,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:42:06,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:42:06,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:42:06,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:42:06,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:42:06,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:42:06,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:42:06,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:42:06,532 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:42:06,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:42:06,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:42:06,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:42:06,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:42:06,534 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:42:06,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:42:06,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:42:06,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:42:06,535 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:42:06,536 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:42:06,537 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_b51d969c-cbec-4b18-8f05-212750454471/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c216cc57d84019e61e144b24cb5e9e97dea3f5e5 [2020-11-29 19:42:06,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:42:06,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:42:06,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:42:06,958 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:42:06,959 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:42:06,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2020-11-29 19:42:07,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/data/cd68b4e1c/5f65e94b845e48cc8eff6cba656f8554/FLAG9fde75e57 [2020-11-29 19:42:07,681 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:42:07,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2020-11-29 19:42:07,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/data/cd68b4e1c/5f65e94b845e48cc8eff6cba656f8554/FLAG9fde75e57 [2020-11-29 19:42:07,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/data/cd68b4e1c/5f65e94b845e48cc8eff6cba656f8554 [2020-11-29 19:42:07,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:42:07,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:42:07,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:42:07,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:42:07,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:42:07,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:42:07" (1/1) ... [2020-11-29 19:42:07,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b345618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:07, skipping insertion in model container [2020-11-29 19:42:07,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:42:07" (1/1) ... [2020-11-29 19:42:07,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:42:08,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:42:08,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:42:08,466 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:42:08,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:42:08,661 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:42:08,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08 WrapperNode [2020-11-29 19:42:08,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:42:08,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:42:08,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:42:08,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:42:08,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:42:08,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:42:08,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:42:08,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:42:08,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... [2020-11-29 19:42:08,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:42:08,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:42:08,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:42:08,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:42:08,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:42:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:42:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:42:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:42:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:42:10,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:42:10,127 INFO L298 CfgBuilder]: Removed 80 assume(true) statements. [2020-11-29 19:42:10,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:10 BoogieIcfgContainer [2020-11-29 19:42:10,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:42:10,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:42:10,138 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:42:10,142 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:42:10,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:42:10,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:42:07" (1/3) ... [2020-11-29 19:42:10,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@711c5ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:42:10, skipping insertion in model container [2020-11-29 19:42:10,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:42:10,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:42:08" (2/3) ... [2020-11-29 19:42:10,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@711c5ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:42:10, skipping insertion in model container [2020-11-29 19:42:10,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:42:10,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:10" (3/3) ... [2020-11-29 19:42:10,148 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2020-11-29 19:42:10,216 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:42:10,216 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:42:10,216 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:42:10,216 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:42:10,216 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:42:10,216 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:42:10,217 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:42:10,217 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:42:10,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 19:42:10,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 19:42:10,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:42:10,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:42:10,282 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:42:10,282 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:10,283 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:42:10,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 19:42:10,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 19:42:10,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:42:10,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:42:10,299 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:42:10,299 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:10,305 INFO L794 eck$LassoCheckResult]: Stem: 38#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 61#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 65#L75true main_#t~ret67 := valid_product_#res;main_~tmp~5 := main_#t~ret67;havoc main_#t~ret67; 7#L767true assume 0 != main_~tmp~5; 57#L744true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L596-1true [2020-11-29 19:42:10,306 INFO L796 eck$LassoCheckResult]: Loop: 13#L596-1true assume !false; 35#L629true assume test_~splverifierCounter~0 < 4; 52#L630true test_~tmp~4 := test_#t~nondet63;havoc test_#t~nondet63; 56#L638true assume !(0 != test_~tmp~4); 58#L638-1true test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 42#L648true assume !(0 != test_~tmp___0~1); 44#L648-1true test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 15#L658true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 25#L666-2true assume !(0 != ~pumpRunning~0); 26#L472true assume 0 != ~systemActive~0; 37#L479true havoc __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 49#L824true __utac_acc__Specification3_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 48#L590true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 13#L596-1true [2020-11-29 19:42:10,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:10,313 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 19:42:10,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:10,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401431331] [2020-11-29 19:42:10,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:10,561 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:10,687 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:10,758 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:42:10,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619239, now seen corresponding path program 1 times [2020-11-29 19:42:10,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:10,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743467977] [2020-11-29 19:42:10,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:10,785 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:10,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:10,812 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:42:10,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:10,820 INFO L82 PathProgramCache]: Analyzing trace with hash 32659699, now seen corresponding path program 1 times [2020-11-29 19:42:10,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:10,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458118029] [2020-11-29 19:42:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:42:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:42:11,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458118029] [2020-11-29 19:42:11,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:42:11,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:42:11,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722065589] [2020-11-29 19:42:11,206 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2020-11-29 19:42:11,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:42:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:42:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:42:11,296 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2020-11-29 19:42:11,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:42:11,576 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2020-11-29 19:42:11,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 19:42:11,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2020-11-29 19:42:11,593 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2020-11-29 19:42:11,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2020-11-29 19:42:11,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2020-11-29 19:42:11,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2020-11-29 19:42:11,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2020-11-29 19:42:11,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:42:11,607 INFO L691 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2020-11-29 19:42:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2020-11-29 19:42:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2020-11-29 19:42:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-29 19:42:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2020-11-29 19:42:11,651 INFO L714 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2020-11-29 19:42:11,651 INFO L594 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2020-11-29 19:42:11,652 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:42:11,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2020-11-29 19:42:11,654 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2020-11-29 19:42:11,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:42:11,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:42:11,655 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:42:11,656 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:42:11,656 INFO L794 eck$LassoCheckResult]: Stem: 315#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 277#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 278#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 341#L75 main_#t~ret67 := valid_product_#res;main_~tmp~5 := main_#t~ret67;havoc main_#t~ret67; 273#L767 assume 0 != main_~tmp~5; 274#L744 havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 284#L596-1 [2020-11-29 19:42:11,656 INFO L796 eck$LassoCheckResult]: Loop: 284#L596-1 assume !false; 285#L629 assume test_~splverifierCounter~0 < 4; 312#L630 test_~tmp~4 := test_#t~nondet63;havoc test_#t~nondet63; 368#L638 assume !(0 != test_~tmp~4); 366#L638-1 test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 365#L648 assume !(0 != test_~tmp___0~1); 352#L648-1 test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 351#L658 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 348#L666-2 assume !(0 != ~pumpRunning~0); 347#L472 assume 0 != ~systemActive~0; 346#L479 havoc __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 326#L824 __utac_acc__Specification3_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 327#L590 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 300#L856 __utac_acc__Specification3_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; 301#L596 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 284#L596-1 [2020-11-29 19:42:11,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:11,657 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 19:42:11,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:11,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281180737] [2020-11-29 19:42:11,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:11,715 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:11,768 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:11,787 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:42:11,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:11,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1128380275, now seen corresponding path program 1 times [2020-11-29 19:42:11,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:11,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584403754] [2020-11-29 19:42:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:11,803 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:11,809 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:11,818 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:42:11,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:42:11,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1321204775, now seen corresponding path program 1 times [2020-11-29 19:42:11,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:42:11,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644880681] [2020-11-29 19:42:11,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:42:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:11,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:42:12,037 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:42:12,078 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:42:12,186 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-11-29 19:43:42,442 WARN L193 SmtUtils]: Spent 1.50 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 19:44:41,643 WARN L193 SmtUtils]: Spent 59.19 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 19:44:41,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:44:41 BoogieIcfgContainer [2020-11-29 19:44:41,989 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:44:41,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:44:41,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:44:41,991 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:44:41,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:42:10" (3/4) ... [2020-11-29 19:44:41,995 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:44:42,057 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b51d969c-cbec-4b18-8f05-212750454471/bin/uautomizer/witness.graphml [2020-11-29 19:44:42,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:44:42,059 INFO L168 Benchmark]: Toolchain (without parser) took 154097.75 ms. Allocated memory was 88.1 MB in the beginning and 155.2 MB in the end (delta: 67.1 MB). Free memory was 52.6 MB in the beginning and 88.4 MB in the end (delta: -35.8 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,060 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:44:42,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.89 ms. Allocated memory is still 88.1 MB. Free memory was 52.4 MB in the beginning and 55.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,062 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.15 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,062 INFO L168 Benchmark]: Boogie Preprocessor took 76.97 ms. Allocated memory is still 88.1 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,063 INFO L168 Benchmark]: RCFGBuilder took 1267.36 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 51.1 MB in the beginning and 92.3 MB in the end (delta: -41.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,064 INFO L168 Benchmark]: BuchiAutomizer took 151852.11 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 92.3 MB in the beginning and 90.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,065 INFO L168 Benchmark]: Witness Printer took 67.56 ms. Allocated memory is still 155.2 MB. Free memory was 90.5 MB in the beginning and 88.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:44:42,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 88.1 MB. Free memory was 61.8 MB in the beginning and 61.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 700.89 ms. Allocated memory is still 88.1 MB. Free memory was 52.4 MB in the beginning and 55.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.15 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.97 ms. Allocated memory is still 88.1 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1267.36 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 51.1 MB in the beginning and 92.3 MB in the end (delta: -41.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 151852.11 ms. Allocated memory was 123.7 MB in the beginning and 155.2 MB in the end (delta: 31.5 MB). Free memory was 92.3 MB in the beginning and 90.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.1 GB. * Witness Printer took 67.56 ms. Allocated memory is still 155.2 MB. Free memory was 90.5 MB in the beginning and 88.4 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 151.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 151.2s. Construction of modules took 0.1s. 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 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 628]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=22325} State at position 1 is {NULL=0, NULL=0, NULL=22353, NULL=22325, NULL=0, NULL=22328, NULL=0, retValue_acc=0, NULL=22337, NULL=22327, methaneLevelCritical=0, NULL=22345, tmp=0, NULL=0, tmp___1=0, NULL=22333, NULL=0, NULL=0, tmp___0=1, NULL=22332, NULL=22331, NULL=22348, cleanupTimeShifts=4, NULL=22340, NULL=22346, tmp=0, NULL=22351, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=22329, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@484bae82=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@df47ce2=0, NULL=22338, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6140388f=0, NULL=0, NULL=0, NULL=0, NULL=22349, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d6a5dd8=0, \result=1, head=0, pumpRunning=0, NULL=22339, NULL=22352, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=22335, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f075b4c=0, NULL=0, NULL=0, NULL=22326, NULL=0, retValue_acc=1, NULL=22342, retValue_acc=1, tmp___2=71, NULL=0, NULL=22330, tmp___0=0, NULL=22334, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=22344, NULL=22341, NULL=22336, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16a6fc8=71, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74f5523e=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21b61e7a=0, NULL=22343, NULL=0, NULL=0, NULL=0, NULL=22347, NULL=22350} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L258] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L464] int pumpRunning = 0; [L465] int systemActive = 1; [L685] int cleanupTimeShifts = 4; [L781] int waterLevel = 1; [L782] int methaneLevelCritical = 0; [L758] int retValue_acc ; [L759] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L765] tmp = valid_product() [L767] COND TRUE \read(tmp) [L619] int splverifierCounter ; [L620] int tmp ; [L621] int tmp___0 ; [L622] int tmp___1 ; [L623] int tmp___2 ; [L626] splverifierCounter = 0 Loop: [L628] COND TRUE 1 [L630] COND TRUE splverifierCounter < 4 [L636] tmp = __VERIFIER_nondet_int() [L638] COND FALSE !(\read(tmp)) [L646] tmp___0 = __VERIFIER_nondet_int() [L648] COND FALSE !(\read(tmp___0)) [L656] tmp___2 = __VERIFIER_nondet_int() [L658] COND TRUE \read(tmp___2) [L575] systemActive = 1 [L472] COND FALSE !(\read(pumpRunning)) [L479] COND TRUE \read(systemActive) [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L820] int retValue_acc ; [L823] retValue_acc = methaneLevelCritical [L824] return (retValue_acc); [L588] tmp = isMethaneLevelCritical() [L590] COND FALSE !(\read(tmp)) [L852] int retValue_acc ; [L855] retValue_acc = waterLevel [L856] return (retValue_acc); [L594] tmp___0 = getWaterLevel() [L596] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...