./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 ............................................................................................................................................................................................................................................................................................................................................................................. 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 23:21:22,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:21:22,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:21:22,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:21:22,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:21:22,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:21:22,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:21:22,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:21:22,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:21:22,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:21:22,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:21:22,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:21:22,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:21:22,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:21:22,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:21:22,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:21:22,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:21:22,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:21:22,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:21:22,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:21:22,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:21:22,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:21:22,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:21:22,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:21:22,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:21:22,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:21:22,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:21:22,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:21:22,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:21:22,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:21:22,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:21:22,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:21:22,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:21:22,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:21:22,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:21:22,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:21:22,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:21:22,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:21:22,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:21:22,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:21:22,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:21:22,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:21:22,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:21:22,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:21:22,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:21:22,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:21:22,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:21:22,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:21:22,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:21:22,268 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:21:22,268 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:21:22,268 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:21:22,269 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:21:22,269 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:21:22,270 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:21:22,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:21:22,270 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:21:22,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:21:22,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:21:22,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:21:22,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:21:22,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:21:22,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:21:22,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:21:22,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:21:22,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:21:22,272 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:21:22,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:21:22,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:21:22,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:21:22,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:21:22,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:21:22,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:21:22,276 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:21:22,277 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:21:22,278 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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2021-10-28 23:21:22,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:21:22,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:21:22,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:21:22,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:21:22,573 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:21:22,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-28 23:21:22,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/data/e06a3cb88/f39e464fb2e64c76b2f298dadfebe7a6/FLAG0bbfe1a4a [2021-10-28 23:21:23,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:21:23,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2021-10-28 23:21:23,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/data/e06a3cb88/f39e464fb2e64c76b2f298dadfebe7a6/FLAG0bbfe1a4a [2021-10-28 23:21:23,505 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/data/e06a3cb88/f39e464fb2e64c76b2f298dadfebe7a6 [2021-10-28 23:21:23,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:21:23,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:21:23,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:21:23,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:21:23,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:21:23,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:21:23" (1/1) ... [2021-10-28 23:21:23,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571c25bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:23, skipping insertion in model container [2021-10-28 23:21:23,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:21:23" (1/1) ... [2021-10-28 23:21:23,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:21:23,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:21:23,792 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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-28 23:21:24,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:21:24,028 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:21:24,050 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_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c[1605,1618] [2021-10-28 23:21:24,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:21:24,166 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:21:24,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24 WrapperNode [2021-10-28 23:21:24,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:21:24,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:21:24,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:21:24,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:21:24,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:21:24,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:21:24,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:21:24,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:21:24,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:21:24,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:21:24,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:21:24,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:21:24,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (1/1) ... [2021-10-28 23:21:24,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:21:24,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:21:24,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:21:24,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:21:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:21:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:21:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:21:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:21:25,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:21:25,183 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-28 23:21:25,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:25 BoogieIcfgContainer [2021-10-28 23:21:25,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:21:25,189 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:21:25,189 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:21:25,193 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:21:25,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:21:25,195 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:21:23" (1/3) ... [2021-10-28 23:21:25,197 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@169d8cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:21:25, skipping insertion in model container [2021-10-28 23:21:25,197 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:21:25,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:21:24" (2/3) ... [2021-10-28 23:21:25,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@169d8cbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:21:25, skipping insertion in model container [2021-10-28 23:21:25,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:21:25,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:25" (3/3) ... [2021-10-28 23:21:25,199 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-10-28 23:21:25,264 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:21:25,264 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:21:25,265 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:21:25,265 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:21:25,265 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:21:25,265 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:21:25,265 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:21:25,266 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:21:25,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 23:21:25,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:21:25,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:21:25,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:21:25,326 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:21:25,326 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:21:25,326 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:21:25,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 23:21:25,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 23:21:25,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:21:25,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:21:25,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:21:25,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:21:25,354 INFO L791 eck$LassoCheckResult]: Stem: 49#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #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(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 38#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 33#L744true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 6#L752true main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 31#L865true assume 0 != main_~tmp~5; 44#L842true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L765-1true [2021-10-28 23:21:25,355 INFO L793 eck$LassoCheckResult]: Loop: 13#L765-1true assume !false; 55#L76true assume test_~splverifierCounter~0 < 4; 10#L77true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 32#L85true assume !(0 != test_~tmp~0); 50#L85-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 22#L95true assume !(0 != test_~tmp___0~0); 29#L95-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 19#L105true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 18#L113-1true assume !(0 != ~pumpRunning~0); 24#L149true assume !(0 != ~systemActive~0); 52#L156true havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 7#L682true __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 21#L765true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 13#L765-1true [2021-10-28 23:21:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:21:25,362 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 23:21:25,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:21:25,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596373285] [2021-10-28 23:21:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:21:25,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:21:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:25,687 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:21:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:25,826 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:21:25,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:21:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2021-10-28 23:21:25,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:21:25,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843447215] [2021-10-28 23:21:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:21:25,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:21:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:21:25,890 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 23:21:25,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:21:25,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843447215] [2021-10-28 23:21:25,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843447215] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:21:25,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:21:25,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:21:25,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731494055] [2021-10-28 23:21:25,898 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 23:21:25,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:21:25,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:21:25,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:21:25,917 INFO L87 Difference]: Start difference. First operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 23:21:25,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:21:25,968 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2021-10-28 23:21:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:21:25,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2021-10-28 23:21:25,974 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2021-10-28 23:21:25,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2021-10-28 23:21:25,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2021-10-28 23:21:25,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2021-10-28 23:21:25,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2021-10-28 23:21:25,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:21:25,984 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-28 23:21:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2021-10-28 23:21:26,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-10-28 23:21:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.4) internal successors, (126), 89 states have internal predecessors, (126), 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 23:21:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-10-28 23:21:26,018 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-28 23:21:26,019 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-28 23:21:26,019 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:21:26,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2021-10-28 23:21:26,021 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2021-10-28 23:21:26,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:21:26,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:21:26,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:21:26,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:21:26,022 INFO L791 eck$LassoCheckResult]: Stem: 227#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #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(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 220#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 217#L744 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 174#L752 main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 175#L865 assume 0 != main_~tmp~5; 212#L842 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 226#L765-1 [2021-10-28 23:21:26,023 INFO L793 eck$LassoCheckResult]: Loop: 226#L765-1 assume !false; 253#L76 assume test_~splverifierCounter~0 < 4; 254#L77 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 260#L85 assume !(0 != test_~tmp~0); 228#L85-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 200#L95 assume !(0 != test_~tmp___0~0); 201#L95-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 195#L105 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 192#L113-1 assume !(0 != ~pumpRunning~0); 194#L149 assume 0 != ~systemActive~0; 203#L156 havoc __utac_acc__Specification1_spec__1_#t~ret74, __utac_acc__Specification1_spec__1_#t~ret75, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 258#L682 __utac_acc__Specification1_spec__1_#t~ret74 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret74;havoc __utac_acc__Specification1_spec__1_#t~ret74; 256#L765 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 226#L765-1 [2021-10-28 23:21:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:21:26,024 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 23:21:26,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:21:26,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840225153] [2021-10-28 23:21:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:21:26,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:21:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,085 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:21:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:21:26,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:21:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2021-10-28 23:21:26,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:21:26,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466607626] [2021-10-28 23:21:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:21:26,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:21:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,204 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:21:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:21:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:21:26,224 INFO L85 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2021-10-28 23:21:26,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:21:26,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36911720] [2021-10-28 23:21:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:21:26,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:21:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,304 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:21:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:21:26,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:22:29,488 WARN L207 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 23:23:31,115 WARN L207 SmtUtils]: Spent 31.05 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 23:23:31,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:23:31 BoogieIcfgContainer [2021-10-28 23:23:31,265 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:23:31,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:23:31,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:23:31,266 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:23:31,266 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:21:25" (3/4) ... [2021-10-28 23:23:31,269 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:23:31,321 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:23:31,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:23:31,322 INFO L168 Benchmark]: Toolchain (without parser) took 127811.72 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 72.9 MB in the beginning and 90.3 MB in the end (delta: -17.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,323 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory is still 90.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:23:31,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.75 ms. Allocated memory is still 113.2 MB. Free memory was 72.7 MB in the beginning and 79.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.54 ms. Allocated memory is still 113.2 MB. Free memory was 79.9 MB in the beginning and 77.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,325 INFO L168 Benchmark]: Boogie Preprocessor took 35.44 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,326 INFO L168 Benchmark]: RCFGBuilder took 903.41 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 75.7 MB in the beginning and 114.6 MB in the end (delta: -38.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,327 INFO L168 Benchmark]: BuchiAutomizer took 126076.14 ms. Allocated memory is still 140.5 MB. Free memory was 114.6 MB in the beginning and 92.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,328 INFO L168 Benchmark]: Witness Printer took 55.74 ms. Allocated memory is still 140.5 MB. Free memory was 92.4 MB in the beginning and 90.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:23:31,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 113.2 MB. Free memory is still 90.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.75 ms. Allocated memory is still 113.2 MB. Free memory was 72.7 MB in the beginning and 79.9 MB in the end (delta: -7.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.54 ms. Allocated memory is still 113.2 MB. Free memory was 79.9 MB in the beginning and 77.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.44 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 903.41 ms. Allocated memory was 113.2 MB in the beginning and 140.5 MB in the end (delta: 27.3 MB). Free memory was 75.7 MB in the beginning and 114.6 MB in the end (delta: -38.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 126076.14 ms. Allocated memory is still 140.5 MB. Free memory was 114.6 MB in the beginning and 92.4 MB in the end (delta: 22.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 16.1 GB. * Witness Printer took 55.74 ms. Allocated memory is still 140.5 MB. Free memory was 92.4 MB in the beginning and 90.3 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 125.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 125.7s. 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 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 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: 75]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=21691} State at position 1 is {NULL=21719, NULL=0, NULL=0, NULL=0, NULL=21698, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@492e8e12=68, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@590828d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21208d6a=0, NULL=21691, NULL=21706, NULL=0, retValue_acc=0, NULL=21715, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ee3bc21=0, NULL=21714, NULL=21710, methaneLevelCritical=0, NULL=0, NULL=0, NULL=21716, tmp___1=0, NULL=21717, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=21695, NULL=21707, NULL=21697, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=21711, NULL=0, NULL=21713, retValue_acc=0, tmp___0=0, NULL=0, NULL=21709, NULL=0, NULL=0, NULL=0, NULL=0, NULL=21692, \result=1, head=0, pumpRunning=0, NULL=21704, NULL=21712, \result=0, NULL=21702, NULL=0, NULL=21708, NULL=0, NULL=0, tmp=0, NULL=0, tmp=1, NULL=0, NULL=21701, NULL=0, retValue_acc=1, NULL=21693, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d5faae5=0, tmp___2=68, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=21696, NULL=21703, NULL=21700, head=0, NULL=21718, NULL=21705, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f43666e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30ccacbe=0, NULL=0, NULL=21694, NULL=0, NULL=21699} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L441] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L783] int cleanupTimeShifts = 4; [L856] int retValue_acc ; [L857] int tmp ; [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp___2) [L267] systemActive = 1 [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L758] int tmp ; [L759] int tmp___0 ; [L678] int retValue_acc ; [L681] retValue_acc = methaneLevelCritical [L682] return (retValue_acc); [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:23:31,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdc6c0b2-02eb-4e65-9d1b-a8ab76cd49e6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...