./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 ................................................................................................................................................................................................................................................................................................................................................................................. 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-b2eff8b [2021-10-29 00:02:47,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:02:47,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:02:47,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:02:47,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:02:47,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:02:47,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:02:47,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:02:47,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:02:47,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:02:47,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:02:47,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:02:47,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:02:47,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:02:47,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:02:47,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:02:47,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:02:47,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:02:47,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:02:47,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:02:47,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:02:47,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:02:47,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:02:47,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:02:47,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:02:47,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:02:47,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:02:47,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:02:47,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:02:47,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:02:47,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:02:47,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:02:47,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:02:47,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:02:47,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:02:47,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:02:47,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:02:47,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:02:47,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:02:47,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:02:47,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:02:47,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:02:48,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:02:48,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:02:48,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:02:48,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:02:48,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:02:48,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:02:48,024 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:02:48,024 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:02:48,025 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:02:48,025 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:02:48,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:02:48,027 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:02:48,027 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:02:48,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:02:48,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:02:48,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:02:48,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:02:48,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:02:48,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:02:48,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:02:48,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:02:48,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:02:48,030 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:02:48,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:02:48,030 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:02:48,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:02:48,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:02:48,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:02:48,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:02:48,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:02:48,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:02:48,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:02:48,034 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:02:48,035 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_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2021-10-29 00:02:48,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:02:48,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:02:48,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:02:48,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:02:48,429 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:02:48,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-29 00:02:48,523 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/data/671451831/98be9f4fce954be59d220e3d9a40f05f/FLAG01f3319ed [2021-10-29 00:02:49,198 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:02:49,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-10-29 00:02:49,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/data/671451831/98be9f4fce954be59d220e3d9a40f05f/FLAG01f3319ed [2021-10-29 00:02:49,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/data/671451831/98be9f4fce954be59d220e3d9a40f05f [2021-10-29 00:02:49,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:02:49,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:02:49,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:02:49,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:02:49,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:02:49,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:02:49" (1/1) ... [2021-10-29 00:02:49,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676df153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:49, skipping insertion in model container [2021-10-29 00:02:49,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:02:49" (1/1) ... [2021-10-29 00:02:49,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:02:49,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:02:49,820 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_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-10-29 00:02:49,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:02:49,947 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:02:49,968 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_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-10-29 00:02:50,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:02:50,121 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:02:50,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50 WrapperNode [2021-10-29 00:02:50,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:02:50,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:02:50,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:02:50,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:02:50,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:02:50,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:02:50,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:02:50,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:02:50,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:02:50,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:02:50,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:02:50,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:02:50,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (1/1) ... [2021-10-29 00:02:50,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:02:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:02:50,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:02:50,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:02:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:02:50,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:02:51,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:02:51,530 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-29 00:02:51,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:02:51 BoogieIcfgContainer [2021-10-29 00:02:51,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:02:51,536 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:02:51,536 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:02:51,541 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:02:51,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:02:51,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:02:49" (1/3) ... [2021-10-29 00:02:51,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e55b8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:02:51, skipping insertion in model container [2021-10-29 00:02:51,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:02:51,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:02:50" (2/3) ... [2021-10-29 00:02:51,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e55b8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:02:51, skipping insertion in model container [2021-10-29 00:02:51,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:02:51,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:02:51" (3/3) ... [2021-10-29 00:02:51,548 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2021-10-29 00:02:51,605 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:02:51,605 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:02:51,606 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:02:51,606 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:02:51,606 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:02:51,606 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:02:51,606 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:02:51,606 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:02:51,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:02:51,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-29 00:02:51,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:02:51,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:02:51,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:02:51,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:02:51,667 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:02:51,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:02:51,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-29 00:02:51,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:02:51,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:02:51,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:02:51,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:02:51,684 INFO L791 eck$LassoCheckResult]: Stem: 91#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(77, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(101, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(116, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(104, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string16.base, #t~string16.offset, 1);call write~init~int(82, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(73, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(84, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 4 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(75, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 33#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 15#L104true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 47#L112true main_#t~ret10 := valid_product_#res;main_~tmp~1 := main_#t~ret10;havoc main_#t~ret10; 100#L213true assume 0 != main_~tmp~1; 72#L189true havoc test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 85#L61-1true [2021-10-29 00:02:51,685 INFO L793 eck$LassoCheckResult]: Loop: 85#L61-1true assume !false; 69#L919true assume test_~splverifierCounter~0 < 4; 94#L920true test_~tmp~9 := test_#t~nondet77;havoc test_#t~nondet77; 53#L928true assume !(0 != test_~tmp~9); 83#L928-1true test_~tmp___0~2 := test_#t~nondet78;havoc test_#t~nondet78; 86#L938true assume !(0 != test_~tmp___0~2); 51#L938-1true test_~tmp___2~0 := test_#t~nondet79;havoc test_#t~nondet79; 6#L948true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 32#L956-1true assume !(0 != ~pumpRunning~0); 25#L697true assume !(0 != ~systemActive~0); 50#L704true havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 103#L306true __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 59#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 85#L61-1true [2021-10-29 00:02:51,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:02:51,692 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-29 00:02:51,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:02:51,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015994978] [2021-10-29 00:02:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:02:51,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:02:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:51,998 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:02:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:52,271 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:02:52,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:02:52,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2021-10-29 00:02:52,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:02:52,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193328769] [2021-10-29 00:02:52,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:02:52,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:02:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:02:52,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:02:52,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:02:52,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193328769] [2021-10-29 00:02:52,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193328769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:02:52,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:02:52,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:02:52,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516778270] [2021-10-29 00:02:52,404 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-29 00:02:52,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:02:52,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:02:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:02:52,429 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2021-10-29 00:02:52,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:02:52,543 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2021-10-29 00:02:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:02:52,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2021-10-29 00:02:52,557 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2021-10-29 00:02:52,575 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2021-10-29 00:02:52,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2021-10-29 00:02:52,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2021-10-29 00:02:52,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2021-10-29 00:02:52,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:02:52,585 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2021-10-29 00:02:52,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2021-10-29 00:02:52,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2021-10-29 00:02:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 185 states have internal predecessors, (270), 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) [2021-10-29 00:02:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2021-10-29 00:02:52,673 INFO L704 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2021-10-29 00:02:52,674 INFO L587 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2021-10-29 00:02:52,674 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:02:52,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2021-10-29 00:02:52,687 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2021-10-29 00:02:52,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:02:52,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:02:52,689 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-29 00:02:52,689 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:02:52,689 INFO L791 eck$LassoCheckResult]: Stem: 416#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(77, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(101, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(116, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(104, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string16.base, #t~string16.offset, 1);call write~init~int(82, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(73, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(84, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 4 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(75, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 363#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~1;havoc main_~retValue_acc~2;havoc main_~tmp~1; 334#L104 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 335#L112 main_#t~ret10 := valid_product_#res;main_~tmp~1 := main_#t~ret10;havoc main_#t~ret10; 381#L213 assume 0 != main_~tmp~1; 406#L189 havoc test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_~splverifierCounter~0, test_~tmp~9, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~9;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 393#L61-1 [2021-10-29 00:02:52,691 INFO L793 eck$LassoCheckResult]: Loop: 393#L61-1 assume !false; 403#L919 assume test_~splverifierCounter~0 < 4; 404#L920 test_~tmp~9 := test_#t~nondet77;havoc test_#t~nondet77; 385#L928 assume !(0 != test_~tmp~9); 326#L928-1 test_~tmp___0~2 := test_#t~nondet78;havoc test_#t~nondet78; 413#L938 assume !(0 != test_~tmp___0~2); 384#L938-1 test_~tmp___2~0 := test_#t~nondet79;havoc test_#t~nondet79; 319#L948 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 320#L956-1 assume !(0 != ~pumpRunning~0); 355#L697 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret57, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 341#L755 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret56, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 343#L729-1 assume !(0 != ~pumpRunning~0); 323#L704 havoc __utac_acc__Specification4_spec__1_#t~ret7, __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 383#L306 __utac_acc__Specification4_spec__1_#t~ret7 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret7;havoc __utac_acc__Specification4_spec__1_#t~ret7; 392#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 393#L61-1 [2021-10-29 00:02:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:02:52,692 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-29 00:02:52,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:02:52,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327632779] [2021-10-29 00:02:52,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:02:52,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:02:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:52,852 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:02:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:53,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:02:53,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:02:53,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2021-10-29 00:02:53,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:02:53,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969577454] [2021-10-29 00:02:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:02:53,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:02:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:53,044 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:02:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:53,059 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:02:53,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:02:53,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2021-10-29 00:02:53,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:02:53,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919496021] [2021-10-29 00:02:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:02:53,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:02:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:53,190 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:02:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:02:53,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:00,229 WARN L207 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-29 00:05:13,790 WARN L207 SmtUtils]: Spent 35.78 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-29 00:05:14,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:05:14 BoogieIcfgContainer [2021-10-29 00:05:14,027 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:05:14,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:05:14,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:05:14,028 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:05:14,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:02:51" (3/4) ... [2021-10-29 00:05:14,032 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-29 00:05:14,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:05:14,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:05:14,092 INFO L168 Benchmark]: Toolchain (without parser) took 144618.01 ms. Allocated memory was 134.2 MB in the beginning and 169.9 MB in the end (delta: 35.7 MB). Free memory was 99.0 MB in the beginning and 70.1 MB in the end (delta: 28.8 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,092 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:05:14,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.30 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 100.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.49 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 96.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,094 INFO L168 Benchmark]: Boogie Preprocessor took 50.80 ms. Allocated memory is still 134.2 MB. Free memory was 96.6 MB in the beginning and 94.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,095 INFO L168 Benchmark]: RCFGBuilder took 1263.59 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 95.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,096 INFO L168 Benchmark]: BuchiAutomizer took 142491.52 ms. Allocated memory was 134.2 MB in the beginning and 169.9 MB in the end (delta: 35.7 MB). Free memory was 95.5 MB in the beginning and 72.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,097 INFO L168 Benchmark]: Witness Printer took 62.34 ms. Allocated memory is still 169.9 MB. Free memory was 72.2 MB in the beginning and 70.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:05:14,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 647.30 ms. Allocated memory is still 134.2 MB. Free memory was 99.0 MB in the beginning and 100.3 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.49 ms. Allocated memory is still 134.2 MB. Free memory was 100.3 MB in the beginning and 96.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.80 ms. Allocated memory is still 134.2 MB. Free memory was 96.6 MB in the beginning and 94.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1263.59 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 95.5 MB in the end (delta: -1.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 142491.52 ms. Allocated memory was 134.2 MB in the beginning and 169.9 MB in the end (delta: 35.7 MB). Free memory was 95.5 MB in the beginning and 72.2 MB in the end (delta: 23.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 16.1 GB. * Witness Printer took 62.34 ms. Allocated memory is still 169.9 MB. Free memory was 72.2 MB in the beginning and 70.1 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 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 142.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 142.0s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 918]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14449} State at position 1 is {NULL=0, NULL=0, retValue_acc=0, NULL=14449, NULL=0, NULL=14454, NULL=0, NULL=0, NULL=0, NULL=14465, NULL=0, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51d06439=0, NULL=0, NULL=0, NULL=14450, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@292231dc=0, NULL=0, tmp___1=0, tmp=0, NULL=0, NULL=0, NULL=14461, tmp___0=0, NULL=14452, cleanupTimeShifts=4, NULL=14469, NULL=14467, NULL=14474, NULL=14464, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f0ef09e=85, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18fc7585=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25c3fd29=0, NULL=0, systemActive=1, waterLevel=1, NULL=14455, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44b5de5a=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44fe5cc9=0, NULL=14462, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e3a3cf3=0, NULL=14460, NULL=0, NULL=0, NULL=0, NULL=14476, \result=1, NULL=14470, head=0, pumpRunning=0, NULL=14451, \result=0, NULL=14463, tmp=1, NULL=0, NULL=0, NULL=0, NULL=14473, NULL=14456, NULL=14466, tmp=1, NULL=0, NULL=14471, NULL=0, NULL=14477, retValue_acc=1, tmp___2=85, NULL=0, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=14472, NULL=14475, head=0, tmp=0, NULL=0, NULL=0, NULL=14458, NULL=14453, NULL=14459, NULL=0, NULL=14457, NULL=14468, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ec4279f=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L126] int cleanupTimeShifts = 4; [L231] int waterLevel = 1; [L232] int methaneLevelCritical = 0; [L489] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int pumpRunning = 0; [L691] int systemActive = 1; [L204] int retValue_acc ; [L205] int tmp ; [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); [L211] tmp = valid_product() [L213] COND TRUE \read(tmp) [L909] int splverifierCounter ; [L910] int tmp ; [L911] int tmp___0 ; [L912] int tmp___1 ; [L913] int tmp___2 ; [L916] splverifierCounter = 0 Loop: [L918] COND TRUE 1 [L920] COND TRUE splverifierCounter < 4 [L926] tmp = __VERIFIER_nondet_int() [L928] COND FALSE !(\read(tmp)) [L936] tmp___0 = __VERIFIER_nondet_int() [L938] COND FALSE !(\read(tmp___0)) [L946] tmp___2 = __VERIFIER_nondet_int() [L948] COND TRUE \read(tmp___2) [L903] systemActive = 1 [L697] COND FALSE !(\read(pumpRunning)) [L704] COND TRUE \read(systemActive) [L752] int tmp ; [L755] COND FALSE !(\read(pumpRunning)) [L726] int tmp ; [L729] COND FALSE !(\read(pumpRunning)) [L54] int tmp ; [L55] int tmp___0 ; [L302] int retValue_acc ; [L305] retValue_acc = waterLevel [L306] return (retValue_acc); [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 00:05:14,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792c9a2d-2a2c-40ee-aa85-4a1af32473d0/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...