./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 ............................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-28 22:48:50,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:48:50,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:48:51,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:48:51,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:48:51,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:48:51,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:48:51,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:48:51,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:48:51,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:48:51,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:48:51,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:48:51,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:48:51,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:48:51,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:48:51,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:48:51,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:48:51,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:48:51,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:48:51,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:48:51,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:48:51,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:48:51,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:48:51,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:48:51,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:48:51,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:48:51,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:48:51,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:48:51,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:48:51,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:48:51,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:48:51,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:48:51,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:48:51,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:48:51,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:48:51,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:48:51,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:48:51,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:48:51,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:48:51,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:48:51,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:48:51,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:48:51,104 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:48:51,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:48:51,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:48:51,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:48:51,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:48:51,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:48:51,106 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:48:51,106 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:48:51,106 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:48:51,107 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:48:51,107 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:48:51,107 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:48:51,107 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:48:51,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:48:51,107 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:48:51,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:48:51,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:48:51,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:48:51,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:48:51,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:48:51,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:48:51,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:48:51,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:48:51,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:48:51,109 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:48:51,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:48:51,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:48:51,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:48:51,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:48:51,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:48:51,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:48:51,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:48:51,112 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:48:51,112 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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2021-10-28 22:48:51,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:48:51,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:48:51,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:48:51,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:48:51,377 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:48:51,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-28 22:48:51,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/data/58d4adc4e/28f15687ea044ff39f1cc37c46ee3f49/FLAG6204474da [2021-10-28 22:48:52,031 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:48:52,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-10-28 22:48:52,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/data/58d4adc4e/28f15687ea044ff39f1cc37c46ee3f49/FLAG6204474da [2021-10-28 22:48:52,304 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/data/58d4adc4e/28f15687ea044ff39f1cc37c46ee3f49 [2021-10-28 22:48:52,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:48:52,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:48:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:52,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:48:52,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:48:52,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5afdb30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52, skipping insertion in model container [2021-10-28 22:48:52,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:48:52,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:48:52,631 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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-28 22:48:52,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:52,660 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:48:52,720 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_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-10-28 22:48:52,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:48:52,752 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:48:52,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52 WrapperNode [2021-10-28 22:48:52,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:48:52,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:52,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:48:52,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:48:52,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:48:52,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:48:52,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:48:52,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:48:52,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:48:52,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:48:52,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:48:52,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:48:52,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (1/1) ... [2021-10-28 22:48:52,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:48:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:48:52,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:48:52,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:48:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:48:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:48:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:48:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:48:53,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:48:53,909 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-28 22:48:53,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:53 BoogieIcfgContainer [2021-10-28 22:48:53,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:48:53,913 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:48:53,913 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:48:53,916 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:48:53,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:53,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:48:52" (1/3) ... [2021-10-28 22:48:53,918 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0e975c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:48:53, skipping insertion in model container [2021-10-28 22:48:53,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:53,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:48:52" (2/3) ... [2021-10-28 22:48:53,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0e975c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:48:53, skipping insertion in model container [2021-10-28 22:48:53,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:48:53,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:53" (3/3) ... [2021-10-28 22:48:53,920 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2021-10-28 22:48:53,961 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:48:53,961 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:48:53,961 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:48:53,962 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:48:53,962 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:48:53,962 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:48:53,962 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:48:53,962 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:48:53,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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) [2021-10-28 22:48:54,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 22:48:54,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:48:54,007 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:48:54,014 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,014 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,015 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:48:54,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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) [2021-10-28 22:48:54,026 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 22:48:54,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:48:54,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:48:54,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,028 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,032 INFO L791 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#L-1true havoc main_#res;havoc main_#t~ret53, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 60#L75true 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; 26#L83true main_#t~ret53 := valid_product_#res;main_~tmp~3 := main_#t~ret53;havoc main_#t~ret53; 52#L625true assume 0 != main_~tmp~3; 58#L601true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, 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; 24#L835-1true [2021-10-28 22:48:54,033 INFO L793 eck$LassoCheckResult]: Loop: 24#L835-1true assume !false; 43#L864true assume test_~splverifierCounter~0 < 4; 33#L865true test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 39#L873true assume !(0 != test_~tmp~7); 9#L873-1true test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 35#L883true assume !(0 != test_~tmp___0~1); 36#L883-1true test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 16#L893true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 23#L901-1true assume !(0 != ~pumpRunning~0); 40#L661true assume !(0 != ~systemActive~0); 31#L668true havoc __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_#t~ret74, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 22#L535true __utac_acc__Specification4_spec__1_#t~ret73 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; 51#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 24#L835-1true [2021-10-28 22:48:54,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:48:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 22:48:54,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:48:54,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809566029] [2021-10-28 22:48:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:48:54,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:48:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,362 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:48:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:48:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:48:54,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2021-10-28 22:48:54,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:48:54,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310637370] [2021-10-28 22:48:54,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:48:54,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:48:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:48:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:48:54,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:48:54,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310637370] [2021-10-28 22:48:54,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310637370] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:48:54,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:48:54,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:48:54,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972215784] [2021-10-28 22:48:54,620 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:48:54,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:48:54,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:48:54,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:48:54,637 INFO L87 Difference]: Start difference. First operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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) [2021-10-28 22:48:54,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:48:54,688 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2021-10-28 22:48:54,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:48:54,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2021-10-28 22:48:54,695 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2021-10-28 22:48:54,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2021-10-28 22:48:54,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-10-28 22:48:54,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-10-28 22:48:54,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2021-10-28 22:48:54,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:48:54,704 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2021-10-28 22:48:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2021-10-28 22:48:54,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-10-28 22:48:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 113 states have internal predecessors, (162), 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) [2021-10-28 22:48:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2021-10-28 22:48:54,747 INFO L704 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2021-10-28 22:48:54,747 INFO L587 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2021-10-28 22:48:54,748 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:48:54,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2021-10-28 22:48:54,752 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2021-10-28 22:48:54,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:48:54,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:48:54,758 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,758 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:48:54,758 INFO L791 eck$LassoCheckResult]: Stem: 267#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 255#L-1 havoc main_#res;havoc main_#t~ret53, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 256#L75 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; 248#L83 main_#t~ret53 := valid_product_#res;main_~tmp~3 := main_#t~ret53;havoc main_#t~ret53; 249#L625 assume 0 != main_~tmp~3; 272#L601 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, 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; 246#L835-1 [2021-10-28 22:48:54,759 INFO L793 eck$LassoCheckResult]: Loop: 246#L835-1 assume !false; 247#L864 assume test_~splverifierCounter~0 < 4; 253#L865 test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 254#L873 assume !(0 != test_~tmp~7); 259#L873-1 test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 282#L883 assume !(0 != test_~tmp___0~1); 280#L883-1 test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 279#L893 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 233#L901-1 assume !(0 != ~pumpRunning~0); 245#L661 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 260#L693 assume !(0 != ~pumpRunning~0); 251#L668 havoc __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_#t~ret74, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 242#L535 __utac_acc__Specification4_spec__1_#t~ret73 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret73;havoc __utac_acc__Specification4_spec__1_#t~ret73; 243#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 246#L835-1 [2021-10-28 22:48:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:48:54,765 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 22:48:54,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:48:54,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024357978] [2021-10-28 22:48:54,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:48:54,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:48:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,829 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:48:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:48:54,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:48:54,891 INFO L85 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2021-10-28 22:48:54,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:48:54,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976471731] [2021-10-28 22:48:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:48:54,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:48:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,897 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:48:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:54,905 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:48:54,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:48:54,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2021-10-28 22:48:54,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:48:54,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455388384] [2021-10-28 22:48:54,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:48:54,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:48:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:55,003 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:48:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:48:55,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:45,455 WARN L207 SmtUtils]: Spent 50.17 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 22:50:38,447 WARN L207 SmtUtils]: Spent 25.66 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 22:50:38,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:50:38 BoogieIcfgContainer [2021-10-28 22:50:38,553 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:50:38,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:50:38,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:50:38,554 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:50:38,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:48:53" (3/4) ... [2021-10-28 22:50:38,556 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 22:50:38,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:50:38,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:50:38,600 INFO L168 Benchmark]: Toolchain (without parser) took 106291.97 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 82.8 MB in the beginning and 83.6 MB in the end (delta: -736.3 kB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,600 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:50:38,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.90 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 81.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.67 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 78.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,602 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 76.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,602 INFO L168 Benchmark]: RCFGBuilder took 998.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.2 MB in the beginning and 68.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,603 INFO L168 Benchmark]: BuchiAutomizer took 104640.05 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 68.2 MB in the beginning and 86.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,603 INFO L168 Benchmark]: Witness Printer took 45.76 ms. Allocated memory is still 146.8 MB. Free memory was 85.7 MB in the beginning and 83.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:38,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.90 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 81.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.67 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 78.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 76.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 998.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.2 MB in the beginning and 68.2 MB in the end (delta: 8.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 104640.05 ms. Allocated memory was 113.2 MB in the beginning and 146.8 MB in the end (delta: 33.6 MB). Free memory was 68.2 MB in the beginning and 86.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 74.0 MB. Max. memory is 16.1 GB. * Witness Printer took 45.76 ms. Allocated memory is still 146.8 MB. Free memory was 85.7 MB in the beginning and 83.6 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 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 104.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 104.3s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 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: 863]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18391} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=18391, NULL=18409, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cf69c5a=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e58bc17=0, NULL=18405, NULL=18403, NULL=18396, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@401fbbdd=0, NULL=18415, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bcb15=0, NULL=0, tmp=0, NULL=18406, tmp___1=0, NULL=18411, NULL=0, NULL=0, tmp___0=0, NULL=18418, NULL=18410, NULL=18416, cleanupTimeShifts=4, NULL=18412, NULL=18407, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2210854d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d4ce899=78, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=18399, NULL=18402, NULL=0, NULL=0, NULL=18394, NULL=0, NULL=18392, \result=1, head=0, pumpRunning=0, \result=0, NULL=18395, tmp=1, NULL=0, NULL=18401, NULL=0, NULL=0, NULL=18413, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334074fd=0, NULL=18400, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52ac7ccb=0, NULL=0, tmp=1, NULL=18420, retValue_acc=1, retValue_acc=1, tmp___2=78, NULL=18397, tmp___0=0, NULL=18414, splverifierCounter=0, NULL=0, NULL=18417, NULL=18408, head=0, tmp=0, NULL=0, NULL=0, NULL=18419, NULL=0, NULL=0, NULL=0, NULL=18398, NULL=18393, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L540] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L616] int retValue_acc ; [L617] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND TRUE \read(tmp___2) [L822] systemActive = 1 [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L828] int tmp ; [L829] int tmp___0 ; [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 22:50:38,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf3c77f-ce08-4f8c-902c-1bb71ccb4e20/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...