./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.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_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/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_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/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_547df9ae-b55f-4d10-8228-c144604afb2a/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 062932e2a77eaa56a60a5c6bf9705187ac9d312a .................................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-13 00:31:37,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:31:37,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:31:37,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:31:37,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:31:37,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:31:37,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:31:37,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:31:37,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:31:37,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:31:37,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:31:37,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:31:37,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:31:37,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:31:37,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:31:37,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:31:37,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:31:37,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:31:37,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:31:37,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:31:37,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:31:37,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:31:37,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:31:37,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:31:37,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:31:37,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:31:37,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:31:37,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:31:37,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:31:37,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:31:37,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:31:37,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:31:37,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:31:37,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:31:37,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:31:37,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:31:37,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:31:37,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:31:37,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:31:37,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:31:37,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:31:37,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:31:37,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:31:37,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:31:37,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:31:37,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:31:37,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:31:37,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:31:37,565 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:31:37,565 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:31:37,565 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:31:37,566 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:31:37,566 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:31:37,566 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:31:37,566 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:31:37,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:31:37,567 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:31:37,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:31:37,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:31:37,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:31:37,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:31:37,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:31:37,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:31:37,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:31:37,569 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:31:37,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:31:37,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:31:37,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:31:37,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:31:37,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:31:37,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:31:37,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:31:37,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:31:37,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:31:37,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:31:37,573 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_547df9ae-b55f-4d10-8228-c144604afb2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062932e2a77eaa56a60a5c6bf9705187ac9d312a [2021-10-13 00:31:37,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:31:37,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:31:37,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:31:37,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:31:37,870 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:31:37,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-10-13 00:31:37,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/data/7341cfe0e/f526ffbf0eac46ca888d5553e0ce53c1/FLAG393cfd17d [2021-10-13 00:31:38,478 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:31:38,482 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-10-13 00:31:38,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/data/7341cfe0e/f526ffbf0eac46ca888d5553e0ce53c1/FLAG393cfd17d [2021-10-13 00:31:38,801 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/data/7341cfe0e/f526ffbf0eac46ca888d5553e0ce53c1 [2021-10-13 00:31:38,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:31:38,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:31:38,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:31:38,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:31:38,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:31:38,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:38" (1/1) ... [2021-10-13 00:31:38,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a82477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:38, skipping insertion in model container [2021-10-13 00:31:38,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:38" (1/1) ... [2021-10-13 00:31:38,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:31:38,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:31:39,196 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_547df9ae-b55f-4d10-8228-c144604afb2a/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[15812,15825] [2021-10-13 00:31:39,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:31:39,217 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:31:39,327 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_547df9ae-b55f-4d10-8228-c144604afb2a/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[15812,15825] [2021-10-13 00:31:39,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:31:39,370 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:31:39,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39 WrapperNode [2021-10-13 00:31:39,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:31:39,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:31:39,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:31:39,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:31:39,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:31:39,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:31:39,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:31:39,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:31:39,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:31:39,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:31:39,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:31:39,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:31:39,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (1/1) ... [2021-10-13 00:31:39,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:31:39,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:31:39,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:31:39,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:31:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:31:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:31:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:31:39,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:31:40,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:31:40,437 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 00:31:40,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:40 BoogieIcfgContainer [2021-10-13 00:31:40,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:31:40,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:31:40,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:31:40,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:31:40,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:40,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:31:38" (1/3) ... [2021-10-13 00:31:40,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5888ee27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:31:40, skipping insertion in model container [2021-10-13 00:31:40,451 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:40,451 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:39" (2/3) ... [2021-10-13 00:31:40,451 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5888ee27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:31:40, skipping insertion in model container [2021-10-13 00:31:40,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:40,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:40" (3/3) ... [2021-10-13 00:31:40,453 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2021-10-13 00:31:40,513 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:31:40,513 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:31:40,513 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:31:40,513 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:31:40,513 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:31:40,514 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:31:40,514 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:31:40,514 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:31:40,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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) [2021-10-13 00:31:40,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 00:31:40,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:40,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:40,576 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:40,576 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:40,576 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:31:40,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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) [2021-10-13 00:31:40,584 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 00:31:40,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:40,584 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:40,585 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:40,585 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:40,590 INFO L791 eck$LassoCheckResult]: Stem: 99#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 37#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 36#L936true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 10#L944true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 97#L500true assume 0 != main_~tmp~3; 22#L471true ~methAndRunningLastTime~0 := 0; 32#L791true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L802-1true [2021-10-13 00:31:40,591 INFO L793 eck$LassoCheckResult]: Loop: 52#L802-1true assume !false; 30#L720true assume test_~splverifierCounter~0 < 4; 69#L721true test_~tmp~7 := test_#t~nondet63;havoc test_#t~nondet63; 35#L729true assume !(0 != test_~tmp~7); 44#L729-1true test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 4#L739true assume !(0 != test_~tmp___0~1); 96#L739-1true test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 8#L749true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 48#L757-2true assume !(0 != ~pumpRunning~0); 38#L530true assume !(0 != ~systemActive~0); 70#L537true havoc __utac_acc__Specification2_spec__2_#t~ret67, __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 72#L868-1true __utac_acc__Specification2_spec__2_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret67;havoc __utac_acc__Specification2_spec__2_#t~ret67; 46#L802true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 52#L802-1true [2021-10-13 00:31:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:40,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:31:40,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:40,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461246488] [2021-10-13 00:31:40,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:40,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:40,806 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:40,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:40,955 INFO L82 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2021-10-13 00:31:40,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:40,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017391689] [2021-10-13 00:31:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:40,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:31:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:31:41,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:31:41,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017391689] [2021-10-13 00:31:41,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017391689] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:31:41,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:31:41,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:31:41,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263468274] [2021-10-13 00:31:41,020 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:31:41,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:31:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:31:41,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:31:41,038 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-13 00:31:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:31:41,076 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-10-13 00:31:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:31:41,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2021-10-13 00:31:41,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 00:31:41,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2021-10-13 00:31:41,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-13 00:31:41,090 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2021-10-13 00:31:41,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2021-10-13 00:31:41,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:31:41,092 INFO L681 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 00:31:41,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2021-10-13 00:31:41,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-13 00:31:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 98 states have internal predecessors, (142), 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) [2021-10-13 00:31:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2021-10-13 00:31:41,125 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 00:31:41,125 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 00:31:41,125 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:31:41,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2021-10-13 00:31:41,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 00:31:41,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:41,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:41,129 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:41,129 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:41,129 INFO L791 eck$LassoCheckResult]: Stem: 319#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 275#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 274#L936 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 233#L944 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 234#L500 assume 0 != main_~tmp~3; 252#L471 ~methAndRunningLastTime~0 := 0; 253#L791 havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 240#L802-1 [2021-10-13 00:31:41,130 INFO L793 eck$LassoCheckResult]: Loop: 240#L802-1 assume !false; 265#L720 assume test_~splverifierCounter~0 < 4; 266#L721 test_~tmp~7 := test_#t~nondet63;havoc test_#t~nondet63; 271#L729 assume !(0 != test_~tmp~7); 273#L729-1 test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 221#L739 assume !(0 != test_~tmp___0~1); 223#L739-1 test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 229#L749 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 231#L757-2 assume !(0 != ~pumpRunning~0); 276#L530 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 277#L588 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 307#L562-1 assume !(0 != ~pumpRunning~0); 244#L537 havoc __utac_acc__Specification2_spec__2_#t~ret67, __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 303#L868-1 __utac_acc__Specification2_spec__2_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret67;havoc __utac_acc__Specification2_spec__2_#t~ret67; 285#L802 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 240#L802-1 [2021-10-13 00:31:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:31:41,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:41,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866004964] [2021-10-13 00:31:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:41,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,192 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:41,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2021-10-13 00:31:41,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:41,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413052872] [2021-10-13 00:31:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:41,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,272 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:41,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:41,282 INFO L82 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2021-10-13 00:31:41,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:41,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333102895] [2021-10-13 00:31:41,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:41,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,331 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:41,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:40,434 WARN L207 SmtUtils]: Spent 58.86 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:33:42,191 WARN L207 SmtUtils]: Spent 29.84 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:33:42,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:33:42 BoogieIcfgContainer [2021-10-13 00:33:42,360 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:33:42,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:33:42,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:33:42,377 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:33:42,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:40" (3/4) ... [2021-10-13 00:33:42,381 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:33:42,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:33:42,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:33:42,520 INFO L168 Benchmark]: Toolchain (without parser) took 123714.46 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.5 MB in the beginning and 89.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,521 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:42,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.66 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 77.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.62 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 73.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,523 INFO L168 Benchmark]: Boogie Preprocessor took 84.23 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 71.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,524 INFO L168 Benchmark]: RCFGBuilder took 902.54 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 86.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,525 INFO L168 Benchmark]: BuchiAutomizer took 121919.53 ms. Allocated memory is still 132.1 MB. Free memory was 86.8 MB in the beginning and 91.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,526 INFO L168 Benchmark]: Witness Printer took 158.21 ms. Allocated memory is still 132.1 MB. Free memory was 91.9 MB in the beginning and 89.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:42,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.66 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 77.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.62 ms. Allocated memory is still 109.1 MB. Free memory was 77.1 MB in the beginning and 73.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.23 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 71.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 902.54 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 70.9 MB in the beginning and 86.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 121919.53 ms. Allocated memory is still 132.1 MB. Free memory was 86.8 MB in the beginning and 91.9 MB in the end (delta: -5.1 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. * Witness Printer took 158.21 ms. Allocated memory is still 132.1 MB. Free memory was 91.9 MB in the beginning and 89.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 121.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 121.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 19.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 719]: 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 {NULL=0, NULL=0, NULL=16027, NULL=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cd77057=0, NULL=0, NULL=16051, NULL=16032, methaneLevelCritical=0, NULL=16041, retValue_acc=1, NULL=16031, tmp=0, tmp=0, tmp___1=0, NULL=16050, NULL=0, NULL=0, NULL=16037, NULL=16043, NULL=16044, cleanupTimeShifts=4, NULL=16045, NULL=16048, NULL=16047, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@229910ee=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75ca835d=0, NULL=0, NULL=16029, NULL=0, NULL=0, NULL=0, NULL=16038, \result=1, head=0, pumpRunning=0, NULL=16042, NULL=16035, \result=0, tmp=1, NULL=16036, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16052, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@505dc05f=0, NULL=0, NULL=16028, NULL=0, NULL=0, NULL=16054, NULL=0, tmp___2=64, NULL=16053, tmp___0=0, NULL=16034, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=16046, NULL=16030, NULL=16040, NULL=16033, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e1a32c=64, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2307a5e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33aa8e0a=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@487fb27b=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6082cb08=0, NULL=16049, NULL=0, NULL=0, NULL=16039, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L522] int pumpRunning = 0; [L523] int systemActive = 1; [L785] int methAndRunningLastTime ; [L825] int waterLevel = 1; [L826] int methaneLevelCritical = 0; [L491] int retValue_acc ; [L492] int tmp ; [L940] int retValue_acc ; [L943] retValue_acc = 1 [L944] return (retValue_acc); [L498] tmp = valid_product() [L500] COND TRUE \read(tmp) [L790] methAndRunningLastTime = 0 [L710] int splverifierCounter ; [L711] int tmp ; [L712] int tmp___0 ; [L713] int tmp___1 ; [L714] int tmp___2 ; [L717] splverifierCounter = 0 Loop: [L719] COND TRUE 1 [L721] COND TRUE splverifierCounter < 4 [L727] tmp = __VERIFIER_nondet_int() [L729] COND FALSE !(\read(tmp)) [L737] tmp___0 = __VERIFIER_nondet_int() [L739] COND FALSE !(\read(tmp___0)) [L747] tmp___2 = __VERIFIER_nondet_int() [L749] COND TRUE \read(tmp___2) [L704] systemActive = 1 [L530] COND FALSE !(\read(pumpRunning)) [L537] COND TRUE \read(systemActive) [L585] int tmp ; [L588] COND FALSE !(\read(pumpRunning)) [L559] int tmp ; [L562] COND FALSE !(\read(pumpRunning)) [L795] int tmp ; [L796] int tmp___0 ; [L864] int retValue_acc ; [L867] retValue_acc = methaneLevelCritical [L868] return (retValue_acc); [L800] tmp = isMethaneLevelCritical() [L802] COND FALSE !(\read(tmp)) [L818] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:33:42,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547df9ae-b55f-4d10-8228-c144604afb2a/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...