./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF --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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:42:04,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:42:04,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:42:04,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:42:04,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:42:04,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:42:04,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:42:04,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:42:04,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:42:04,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:42:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:42:04,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:42:04,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:42:04,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:42:04,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:42:04,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:42:04,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:42:04,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:42:04,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:42:04,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:42:04,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:42:04,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:42:04,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:42:04,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:42:04,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:42:04,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:42:04,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:42:04,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:42:04,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:42:04,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:42:04,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:42:04,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:42:04,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:42:04,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:42:04,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:42:04,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:42:04,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:42:04,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:42:04,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:42:04,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:42:04,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:42:04,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:42:04,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:42:04,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:42:04,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:42:04,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:42:04,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:42:04,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:42:04,605 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:42:04,606 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:42:04,606 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:42:04,606 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:42:04,606 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:42:04,607 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:42:04,607 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:42:04,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:42:04,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:42:04,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:42:04,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:42:04,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:42:04,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:42:04,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:42:04,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:42:04,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:42:04,610 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:42:04,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:42:04,610 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:42:04,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:42:04,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:42:04,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:42:04,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:42:04,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:42:04,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:42:04,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:42:04,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:42:04,617 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_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2021-11-20 06:42:04,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:42:04,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:42:04,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:42:04,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:42:04,914 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:42:04,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-11-20 06:42:04,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/data/192e3f17c/32ba02fc42d54ec4b1cd6066de500e87/FLAG491f9fb69 [2021-11-20 06:42:05,594 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:42:05,594 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-11-20 06:42:05,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/data/192e3f17c/32ba02fc42d54ec4b1cd6066de500e87/FLAG491f9fb69 [2021-11-20 06:42:05,877 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/data/192e3f17c/32ba02fc42d54ec4b1cd6066de500e87 [2021-11-20 06:42:05,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:42:05,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:42:05,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:42:05,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:42:05,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:42:05,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:42:05" (1/1) ... [2021-11-20 06:42:05,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137a0964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:05, skipping insertion in model container [2021-11-20 06:42:05,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:42:05" (1/1) ... [2021-11-20 06:42:05,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:42:05,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:42:06,227 WARN L230 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_a4a3c827-1298-4c8f-b7dd-b04a01867054/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2021-11-20 06:42:06,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:42:06,291 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:42:06,356 WARN L230 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_a4a3c827-1298-4c8f-b7dd-b04a01867054/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2021-11-20 06:42:06,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:42:06,428 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:42:06,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06 WrapperNode [2021-11-20 06:42:06,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:42:06,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:42:06,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:42:06,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:42:06,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,484 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 36, statements flattened = 304 [2021-11-20 06:42:06,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:42:06,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:42:06,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:42:06,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:42:06,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:42:06,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:42:06,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:42:06,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:42:06,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (1/1) ... [2021-11-20 06:42:06,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:42:06,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:42:06,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:42:06,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:42:06,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:42:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:42:06,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:42:06,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:42:06,756 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:42:06,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:42:07,190 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:42:07,221 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:42:07,222 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:42:07,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:42:07 BoogieIcfgContainer [2021-11-20 06:42:07,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:42:07,225 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:42:07,226 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:42:07,229 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:42:07,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:42:07,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:42:05" (1/3) ... [2021-11-20 06:42:07,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58c6fe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:42:07, skipping insertion in model container [2021-11-20 06:42:07,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:42:07,236 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:42:06" (2/3) ... [2021-11-20 06:42:07,237 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58c6fe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:42:07, skipping insertion in model container [2021-11-20 06:42:07,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:42:07,237 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:42:07" (3/3) ... [2021-11-20 06:42:07,239 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2021-11-20 06:42:07,318 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:42:07,319 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:42:07,319 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:42:07,319 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:42:07,319 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:42:07,319 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:42:07,320 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:42:07,320 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:42:07,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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) [2021-11-20 06:42:07,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-11-20 06:42:07,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:42:07,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:42:07,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:07,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:07,389 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:42:07,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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) [2021-11-20 06:42:07,405 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-11-20 06:42:07,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:42:07,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:42:07,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:07,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:07,419 INFO L791 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 76#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 29#L83true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 26#L898true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 14#L874true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 33#L326true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 81#L104-2true [2021-11-20 06:42:07,420 INFO L793 eck$LassoCheckResult]: Loop: 81#L104-2true assume !false; 23#L105true assume test_~splverifierCounter~0#1 < 4; 60#L106true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 65#L114true assume !(0 != test_~tmp~0#1); 52#L114-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 17#L124true assume !(0 != test_~tmp___0~0#1); 78#L124-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 66#L134true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 57#L315true assume { :end_inline_startSystem } true; 34#L142-2true assume { :begin_inline_timeShift } true; 36#L178true assume !(0 != ~pumpRunning~0); 10#L178-2true assume !(0 != ~systemActive~0); 58#L185-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 67#L403true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 8#L337true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 80#L337-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 50#L195true assume { :end_inline_timeShift } true; 81#L104-2true [2021-11-20 06:42:07,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:07,442 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-20 06:42:07,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:07,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615967818] [2021-11-20 06:42:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:07,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:07,572 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:07,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash 562269129, now seen corresponding path program 1 times [2021-11-20 06:42:07,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:07,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416285752] [2021-11-20 06:42:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:07,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:42:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:42:07,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:42:07,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416285752] [2021-11-20 06:42:07,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416285752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:42:07,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:42:07,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:42:07,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815401238] [2021-11-20 06:42:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:42:07,814 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:42:07,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:42:07,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:42:07,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:42:07,854 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-20 06:42:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:42:07,950 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2021-11-20 06:42:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:42:07,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2021-11-20 06:42:07,970 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-11-20 06:42:07,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 132 states and 175 transitions. [2021-11-20 06:42:07,983 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 132 [2021-11-20 06:42:07,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 132 [2021-11-20 06:42:07,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 132 states and 175 transitions. [2021-11-20 06:42:07,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:42:07,990 INFO L681 BuchiCegarLoop]: Abstraction has 132 states and 175 transitions. [2021-11-20 06:42:08,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states and 175 transitions. [2021-11-20 06:42:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2021-11-20 06:42:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.3255813953488371) internal successors, (171), 128 states have internal predecessors, (171), 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) [2021-11-20 06:42:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 171 transitions. [2021-11-20 06:42:08,051 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2021-11-20 06:42:08,051 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 171 transitions. [2021-11-20 06:42:08,051 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:42:08,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 171 transitions. [2021-11-20 06:42:08,057 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2021-11-20 06:42:08,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:42:08,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:42:08,060 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:08,060 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:42:08,061 INFO L791 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 309#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 310#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 323#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 283#L83 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 280#L898 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 261#L874 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 262#L326 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 290#L104-2 [2021-11-20 06:42:08,062 INFO L793 eck$LassoCheckResult]: Loop: 290#L104-2 assume !false; 275#L105 assume test_~splverifierCounter~0#1 < 4; 276#L106 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 317#L114 assume !(0 != test_~tmp~0#1); 271#L114-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 268#L124 assume !(0 != test_~tmp___0~0#1); 270#L124-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 326#L134 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 314#L315 assume { :end_inline_startSystem } true; 291#L142-2 assume { :begin_inline_timeShift } true; 292#L178 assume !(0 != ~pumpRunning~0); 254#L178-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 255#L202 assume { :end_inline_processEnvironment } true; 279#L185-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 315#L403 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 249#L337 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 251#L337-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 308#L195 assume { :end_inline_timeShift } true; 290#L104-2 [2021-11-20 06:42:08,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:08,063 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-20 06:42:08,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:08,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609706268] [2021-11-20 06:42:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:08,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,112 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,155 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:08,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash 878374743, now seen corresponding path program 1 times [2021-11-20 06:42:08,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:08,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818455623] [2021-11-20 06:42:08,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:08,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,187 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,199 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:42:08,204 INFO L85 PathProgramCache]: Analyzing trace with hash -460977664, now seen corresponding path program 1 times [2021-11-20 06:42:08,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:42:08,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320353126] [2021-11-20 06:42:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:42:08,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:42:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,244 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:42:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:42:08,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:42:12,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:42:12 BoogieIcfgContainer [2021-11-20 06:42:12,170 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:42:12,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:42:12,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:42:12,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:42:12,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:42:07" (3/4) ... [2021-11-20 06:42:12,174 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 06:42:12,233 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:42:12,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:42:12,234 INFO L158 Benchmark]: Toolchain (without parser) took 6347.30ms. Allocated memory was 102.8MB in the beginning and 159.4MB in the end (delta: 56.6MB). Free memory was 67.8MB in the beginning and 103.0MB in the end (delta: -35.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,235 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:42:12,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.53ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 68.4MB in the end (delta: -925.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.10ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,237 INFO L158 Benchmark]: Boogie Preprocessor took 30.38ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 64.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:42:12,237 INFO L158 Benchmark]: RCFGBuilder took 707.39ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.3MB in the beginning and 98.9MB in the end (delta: -34.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,238 INFO L158 Benchmark]: BuchiAutomizer took 4944.93ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 98.8MB in the beginning and 105.0MB in the end (delta: -6.2MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,239 INFO L158 Benchmark]: Witness Printer took 62.27ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:42:12,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 58.0MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.53ms. Allocated memory is still 102.8MB. Free memory was 67.5MB in the beginning and 68.4MB in the end (delta: -925.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.10ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 66.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.38ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 64.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 707.39ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 64.3MB in the beginning and 98.9MB in the end (delta: -34.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4944.93ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 98.8MB in the beginning and 105.0MB in the end (delta: -6.2MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. * Witness Printer took 62.27ms. Allocated memory is still 159.4MB. Free memory was 105.0MB in the beginning and 103.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 189 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 102 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 104]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a204172=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@173ef7c6=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e43e1c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72c18d28=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c0fa6ed=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3794c1a1=0, methaneLevelCritical=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ca85665=0, retValue_acc=1, \result=1, retValue_acc=0, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 104]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND TRUE \read(tmp___2) [L136] CALL startSystem() [L314] systemActive = 1 [L136] RET startSystem() [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 06:42:12,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a3c827-1298-4c8f-b7dd-b04a01867054/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)