./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt --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 be57a8909169924934bb5133fe0a47f53bebc905 ......................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-4e77c04 [2021-10-12 23:59:07,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:07,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:07,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:07,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:07,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:07,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:07,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:07,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:07,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:07,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:07,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:07,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:07,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:07,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:07,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:07,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:07,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:07,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:07,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:07,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:07,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:07,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:07,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:07,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:07,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:07,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:07,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:07,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:07,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:07,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:07,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:07,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:07,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:07,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:07,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:07,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:07,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:07,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:07,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:07,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:07,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-12 23:59:07,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:07,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:07,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:07,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:07,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:07,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:07,566 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:07,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:07,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:07,567 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:07,568 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:07,568 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:07,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:07,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:07,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:07,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:07,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:07,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:07,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:07,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:07,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:07,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:07,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:07,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:07,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:07,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:07,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:07,574 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:07,574 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_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be57a8909169924934bb5133fe0a47f53bebc905 [2021-10-12 23:59:07,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:07,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:07,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:07,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:07,932 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:07,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-12 23:59:08,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/data/c919a5dcd/1f6bddf5ab6444cdb68b8777a5698a64/FLAG51ad4c022 [2021-10-12 23:59:08,530 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:08,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2021-10-12 23:59:08,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/data/c919a5dcd/1f6bddf5ab6444cdb68b8777a5698a64/FLAG51ad4c022 [2021-10-12 23:59:08,820 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/data/c919a5dcd/1f6bddf5ab6444cdb68b8777a5698a64 [2021-10-12 23:59:08,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:08,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:08,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:08,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:08,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:08,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4289e01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:08, skipping insertion in model container [2021-10-12 23:59:08,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:08" (1/1) ... [2021-10-12 23:59:08,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:08,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:09,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-12 23:59:09,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:09,233 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:09,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c[18004,18017] [2021-10-12 23:59:09,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:09,341 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:09,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09 WrapperNode [2021-10-12 23:59:09,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:09,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:09,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:09,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:09,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:09,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:09,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:09,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:09,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:09,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:09,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:09,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:09,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (1/1) ... [2021-10-12 23:59:09,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-12 23:59:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:09,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:09,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:10,537 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:10,537 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-12 23:59:10,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:10 BoogieIcfgContainer [2021-10-12 23:59:10,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:10,541 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-12 23:59:10,542 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-12 23:59:10,545 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-12 23:59:10,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:10,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:08" (1/3) ... [2021-10-12 23:59:10,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ad375be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:10, skipping insertion in model container [2021-10-12 23:59:10,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:10,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:09" (2/3) ... [2021-10-12 23:59:10,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ad375be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 11:59:10, skipping insertion in model container [2021-10-12 23:59:10,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-12 23:59:10,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:10" (3/3) ... [2021-10-12 23:59:10,550 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2021-10-12 23:59:10,596 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-12 23:59:10,596 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-12 23:59:10,596 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-12 23:59:10,596 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-12 23:59:10,597 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-12 23:59:10,597 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-12 23:59:10,597 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-12 23:59:10,597 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-12 23:59:10,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:10,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-12 23:59:10,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:10,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:10,668 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:10,668 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:10,669 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-12 23:59:10,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:10,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-12 23:59:10,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:10,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:10,694 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:10,694 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:10,706 INFO L791 eck$LassoCheckResult]: Stem: 92#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);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(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #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(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 5#L168true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 31#L176true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 97#L132true assume 0 != main_~tmp~0; 13#L105true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L932-1true [2021-10-12 23:59:10,707 INFO L793 eck$LassoCheckResult]: Loop: 99#L932-1true assume !false; 35#L653true assume test_~splverifierCounter~0 < 4; 81#L654true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 36#L662true assume !(0 != test_~tmp~4); 67#L662-1true test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 83#L672true assume !(0 != test_~tmp___0~0); 50#L672-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 56#L682true assume 0 != test_~tmp___2~0; 8#L688-1true assume !(0 != ~pumpRunning~0); 20#L720true assume !(0 != ~systemActive~0); 11#L727true havoc __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_#t~ret80, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 41#L627true __utac_acc__Specification4_spec__1_#t~ret79 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret79;havoc __utac_acc__Specification4_spec__1_#t~ret79; 66#L932true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 99#L932-1true [2021-10-12 23:59:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:10,714 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-12 23:59:10,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:10,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816033549] [2021-10-12 23:59:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:10,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,068 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:11,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-10-12 23:59:11,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:11,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473424556] [2021-10-12 23:59:11,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:11,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,282 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:11,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:11,293 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-10-12 23:59:11,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:11,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173323434] [2021-10-12 23:59:11,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:11,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:11,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:11,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173323434] [2021-10-12 23:59:11,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173323434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:11,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:11,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:11,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913141765] [2021-10-12 23:59:11,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:11,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:11,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:11,665 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:11,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:11,921 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-10-12 23:59:11,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:11,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-10-12 23:59:11,930 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-10-12 23:59:11,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-10-12 23:59:11,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-10-12 23:59:11,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-10-12 23:59:11,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-10-12 23:59:11,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-12 23:59:11,977 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-10-12 23:59:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-10-12 23:59:12,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-10-12 23:59:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-10-12 23:59:12,018 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-12 23:59:12,019 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-12 23:59:12,019 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-12 23:59:12,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-10-12 23:59:12,025 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-10-12 23:59:12,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-12 23:59:12,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-12 23:59:12,027 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-12 23:59:12,027 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:12,027 INFO L791 eck$LassoCheckResult]: Stem: 470#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~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);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(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #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(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 421#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 376#L168 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 377#L176 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 422#L132 assume 0 != main_~tmp~0; 396#L105 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 397#L932-1 [2021-10-12 23:59:12,028 INFO L793 eck$LassoCheckResult]: Loop: 397#L932-1 assume !false; 425#L653 assume test_~splverifierCounter~0 < 4; 426#L654 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 428#L662 assume !(0 != test_~tmp~4); 420#L662-1 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 460#L672 assume !(0 != test_~tmp___0~0); 445#L672-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 446#L682 assume 0 != test_~tmp___2~0; 383#L688-1 assume !(0 != ~pumpRunning~0); 385#L720 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret59, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 389#L778 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret58, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 391#L752-1 assume !(0 != ~pumpRunning~0); 392#L727 havoc __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_#t~ret80, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 393#L627 __utac_acc__Specification4_spec__1_#t~ret79 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret79;havoc __utac_acc__Specification4_spec__1_#t~ret79; 435#L932 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 397#L932-1 [2021-10-12 23:59:12,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:12,032 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-12 23:59:12,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:12,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403549892] [2021-10-12 23:59:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:12,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,100 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:12,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-10-12 23:59:12,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:12,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333042357] [2021-10-12 23:59:12,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:12,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,202 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-12 23:59:12,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:12,210 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-10-12 23:59:12,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:12,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445642350] [2021-10-12 23:59:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:12,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,253 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-12 23:59:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-12 23:59:12,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:08,300 WARN L207 SmtUtils]: Spent 55.87 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 00:01:01,173 WARN L207 SmtUtils]: Spent 26.01 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 00:01:01,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:01:01 BoogieIcfgContainer [2021-10-13 00:01:01,322 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:01:01,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:01:01,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:01:01,323 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:01:01,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:10" (3/4) ... [2021-10-13 00:01:01,325 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:01:01,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:01:01,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:01:01,380 INFO L168 Benchmark]: Toolchain (without parser) took 112555.47 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 73.0 MB in the beginning and 57.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,381 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 90.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:01:01,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.96 ms. Allocated memory is still 115.3 MB. Free memory was 72.8 MB in the beginning and 82.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.36 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 78.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,383 INFO L168 Benchmark]: Boogie Preprocessor took 86.38 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 76.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,384 INFO L168 Benchmark]: RCFGBuilder took 1015.28 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 76.2 MB in the beginning and 105.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,385 INFO L168 Benchmark]: BuchiAutomizer took 110780.31 ms. Allocated memory is still 138.4 MB. Free memory was 105.1 MB in the beginning and 59.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 78.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,386 INFO L168 Benchmark]: Witness Printer took 57.13 ms. Allocated memory is still 138.4 MB. Free memory was 59.5 MB in the beginning and 57.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:01,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 90.1 MB in the end (delta: 64.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.96 ms. Allocated memory is still 115.3 MB. Free memory was 72.8 MB in the beginning and 82.1 MB in the end (delta: -9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.36 ms. Allocated memory is still 115.3 MB. Free memory was 82.1 MB in the beginning and 78.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.38 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 76.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1015.28 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 76.2 MB in the beginning and 105.1 MB in the end (delta: -28.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 110780.31 ms. Allocated memory is still 138.4 MB. Free memory was 105.1 MB in the beginning and 59.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 78.0 MB. Max. memory is 16.1 GB. * Witness Printer took 57.13 ms. Allocated memory is still 138.4 MB. Free memory was 59.5 MB in the beginning and 57.4 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 110.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 110.2s. 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 26.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 170.4ms 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: 652]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24129} State at position 1 is {NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=24129, NULL=0, NULL=24153, NULL=0, NULL=0, NULL=24154, NULL=24150, NULL=24130, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27f43b74=0, methaneLevelCritical=0, NULL=24140, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cf2b611=0, NULL=0, tmp=0, NULL=0, NULL=24141, NULL=0, tmp___1=0, NULL=24148, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63859086=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ffedbce=0, NULL=24147, NULL=24138, NULL=24157, cleanupTimeShifts=4, NULL=24132, NULL=24143, tmp___0=0, NULL=24151, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=24136, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=24156, tmp___0=0, NULL=0, NULL=24142, \result=1, head=0, pumpRunning=0, tmp=1, NULL=24149, \result=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b6d0b72=0, NULL=0, NULL=24146, NULL=0, NULL=0, NULL=24139, NULL=0, NULL=24134, retValue_acc=1, retValue_acc=1, tmp___2=60, NULL=0, tmp=1, NULL=24155, splverifierCounter=0, NULL=0, NULL=24152, NULL=24133, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c650632=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@baaf7e9=60, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1035d194=0, head=0, NULL=0, tmp=0, NULL=24137, NULL=24135, NULL=0, NULL=0, NULL=0, NULL=24144, NULL=24131, NULL=24145, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24b108d2=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int cleanupTimeShifts = 4; [L350] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L552] int waterLevel = 1; [L553] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L643] int splverifierCounter ; [L644] int tmp ; [L645] int tmp___0 ; [L646] int tmp___1 ; [L647] int tmp___2 ; [L650] splverifierCounter = 0 Loop: [L652] COND TRUE 1 [L654] COND TRUE splverifierCounter < 4 [L660] tmp = __VERIFIER_nondet_int() [L662] COND FALSE !(\read(tmp)) [L670] tmp___0 = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp___0)) [L680] tmp___2 = __VERIFIER_nondet_int() [L682] COND TRUE \read(tmp___2) [L720] COND FALSE !(\read(pumpRunning)) [L727] COND TRUE \read(systemActive) [L775] int tmp ; [L778] COND FALSE !(\read(pumpRunning)) [L749] int tmp ; [L752] COND FALSE !(\read(pumpRunning)) [L925] int tmp ; [L926] int tmp___0 ; [L623] int retValue_acc ; [L626] retValue_acc = waterLevel [L627] return (retValue_acc); [L930] tmp = getWaterLevel() [L932] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:01:01,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0154c0e7-7104-4bf7-bf90-bf282304d574/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...