./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be --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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 .................................................................................................................................................................................................................................................................................................................................................................................. 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-e943c26 [2021-10-21 20:19:03,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:19:03,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:19:03,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:19:03,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:19:03,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:19:03,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:19:03,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:19:03,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:19:03,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:19:03,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:19:03,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:19:03,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:19:03,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:19:03,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:19:03,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:19:03,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:19:03,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:19:03,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:19:03,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:19:03,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:19:03,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:19:03,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:19:03,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:19:03,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:19:03,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:19:03,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:19:03,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:19:03,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:19:03,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:19:03,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:19:03,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:19:03,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:19:03,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:19:03,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:19:03,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:19:03,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:19:03,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:19:03,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:19:03,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:19:03,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:19:03,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:19:03,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:19:03,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:19:03,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:19:03,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:19:03,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:19:03,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:19:03,630 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:19:03,630 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:19:03,630 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:19:03,631 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:19:03,632 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:19:03,632 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:19:03,632 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:19:03,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:19:03,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:19:03,633 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:19:03,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:19:03,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:19:03,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:19:03,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:19:03,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:19:03,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:19:03,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:19:03,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:19:03,635 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:19:03,635 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:19:03,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:19:03,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:19:03,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:19:03,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:19:03,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:19:03,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:19:03,639 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:19:03,640 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_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2021-10-21 20:19:04,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:19:04,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:19:04,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:19:04,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:19:04,076 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:19:04,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-21 20:19:04,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/data/0b7180059/d96294c7e9d149cb9b479defaf1e89c4/FLAG5b52c36df [2021-10-21 20:19:04,933 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:19:04,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2021-10-21 20:19:04,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/data/0b7180059/d96294c7e9d149cb9b479defaf1e89c4/FLAG5b52c36df [2021-10-21 20:19:05,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/data/0b7180059/d96294c7e9d149cb9b479defaf1e89c4 [2021-10-21 20:19:05,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:19:05,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:19:05,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:05,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:19:05,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:19:05,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbafc80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05, skipping insertion in model container [2021-10-21 20:19:05,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:19:05,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:19:05,617 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_75ac99c3-586d-43f7-94ce-347348816231/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-21 20:19:05,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:19:05,643 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:19:05,785 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_75ac99c3-586d-43f7-94ce-347348816231/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c[18052,18065] [2021-10-21 20:19:05,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:19:05,810 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:19:05,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05 WrapperNode [2021-10-21 20:19:05,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:19:05,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:19:05,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:19:05,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:19:05,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:19:05,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:19:05,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:19:05,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:19:05,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:05,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:19:05,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:19:05,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:19:05,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:19:05,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (1/1) ... [2021-10-21 20:19:06,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:19:06,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:19:06,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:19:06,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:19:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:19:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:19:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:19:06,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:19:07,176 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:19:07,176 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-21 20:19:07,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:07 BoogieIcfgContainer [2021-10-21 20:19:07,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:19:07,180 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:19:07,180 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:19:07,184 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:19:07,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:19:07,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:19:05" (1/3) ... [2021-10-21 20:19:07,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@132244af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:19:07, skipping insertion in model container [2021-10-21 20:19:07,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:19:07,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:19:05" (2/3) ... [2021-10-21 20:19:07,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@132244af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:19:07, skipping insertion in model container [2021-10-21 20:19:07,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:19:07,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:07" (3/3) ... [2021-10-21 20:19:07,190 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2021-10-21 20:19:07,296 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:19:07,296 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:19:07,296 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:19:07,296 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:19:07,297 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:19:07,297 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:19:07,297 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:19:07,297 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:19:07,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:19:07,347 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-21 20:19:07,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:19:07,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:19:07,356 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:07,357 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:07,357 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:19:07,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:19:07,365 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-21 20:19:07,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:19:07,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:19:07,367 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:07,367 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:07,373 INFO L791 eck$LassoCheckResult]: Stem: 59#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(13);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(77, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(101, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(116, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(104, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string37.base, #t~string37.offset, 1);call write~init~int(82, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(73, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(84, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 4 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(75, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 46#L-1true havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 65#L414true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 18#L422true main_#t~ret30 := valid_product_#res;main_~tmp~3 := main_#t~ret30;havoc main_#t~ret30; 15#L378true assume 0 != main_~tmp~3; 38#L350true ~methAndRunningLastTime~0 := 0; 57#L890true havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L901-1true [2021-10-21 20:19:07,374 INFO L793 eck$LassoCheckResult]: Loop: 24#L901-1true assume !false; 52#L235true assume test_~splverifierCounter~0 < 4; 71#L236true test_~tmp~2 := test_#t~nondet26;havoc test_#t~nondet26; 9#L244true assume !(0 != test_~tmp~2); 32#L244-1true test_~tmp___0~1 := test_#t~nondet27;havoc test_#t~nondet27; 63#L254true assume !(0 != test_~tmp___0~1); 11#L254-1true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 74#L264true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 25#L272-2true assume !(0 != ~pumpRunning~0); 69#L68true assume !(0 != ~systemActive~0); 73#L75true havoc __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_#t~ret78, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 31#L471true __utac_acc__Specification2_spec__2_#t~ret77 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret77;havoc __utac_acc__Specification2_spec__2_#t~ret77; 75#L901true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 24#L901-1true [2021-10-21 20:19:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:07,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-21 20:19:07,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:07,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493077388] [2021-10-21 20:19:07,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:07,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:07,776 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:19:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:07,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:19:07,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:07,983 INFO L82 PathProgramCache]: Analyzing trace with hash 3553547, now seen corresponding path program 1 times [2021-10-21 20:19:07,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:07,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157468682] [2021-10-21 20:19:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:07,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:19:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:19:08,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:19:08,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157468682] [2021-10-21 20:19:08,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157468682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:19:08,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:19:08,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:19:08,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854992747] [2021-10-21 20:19:08,109 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:19:08,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:19:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:19:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:19:08,128 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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) [2021-10-21 20:19:08,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:19:08,199 INFO L93 Difference]: Finished difference Result 76 states and 105 transitions. [2021-10-21 20:19:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:19:08,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 105 transitions. [2021-10-21 20:19:08,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-21 20:19:08,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2021-10-21 20:19:08,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-10-21 20:19:08,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2021-10-21 20:19:08,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2021-10-21 20:19:08,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:19:08,227 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-21 20:19:08,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2021-10-21 20:19:08,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-21 20:19:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-10-21 20:19:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-21 20:19:08,304 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-21 20:19:08,305 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-21 20:19:08,305 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:19:08,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2021-10-21 20:19:08,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-21 20:19:08,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:19:08,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:19:08,329 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:08,329 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:19:08,330 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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(13);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(77, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(101, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(116, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(104, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string37.base, #t~string37.offset, 1);call write~init~int(82, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(73, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(84, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 4 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(75, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 216#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 217#L414 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 187#L422 main_#t~ret30 := valid_product_#res;main_~tmp~3 := main_#t~ret30;havoc main_#t~ret30; 181#L378 assume 0 != main_~tmp~3; 182#L350 ~methAndRunningLastTime~0 := 0; 211#L890 havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 197#L901-1 [2021-10-21 20:19:08,331 INFO L793 eck$LassoCheckResult]: Loop: 197#L901-1 assume !false; 198#L235 assume test_~splverifierCounter~0 < 4; 222#L236 test_~tmp~2 := test_#t~nondet26;havoc test_#t~nondet26; 174#L244 assume !(0 != test_~tmp~2); 176#L244-1 test_~tmp___0~1 := test_#t~nondet27;havoc test_#t~nondet27; 204#L254 assume !(0 != test_~tmp___0~1); 177#L254-1 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 178#L264 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 199#L272-2 assume !(0 != ~pumpRunning~0); 189#L68 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 229#L100 assume !(0 != ~pumpRunning~0); 194#L75 havoc __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_#t~ret78, __utac_acc__Specification2_spec__2_~tmp~7, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~7;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 202#L471 __utac_acc__Specification2_spec__2_#t~ret77 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~7 := __utac_acc__Specification2_spec__2_#t~ret77;havoc __utac_acc__Specification2_spec__2_#t~ret77; 203#L901 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7);~methAndRunningLastTime~0 := 0; 197#L901-1 [2021-10-21 20:19:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:08,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-21 20:19:08,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:08,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103407558] [2021-10-21 20:19:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:08,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:19:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,545 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:19:08,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:08,546 INFO L82 PathProgramCache]: Analyzing trace with hash 83166849, now seen corresponding path program 1 times [2021-10-21 20:19:08,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:08,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370814596] [2021-10-21 20:19:08,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:08,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,554 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:19:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:19:08,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:19:08,574 INFO L82 PathProgramCache]: Analyzing trace with hash 145554759, now seen corresponding path program 1 times [2021-10-21 20:19:08,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:19:08,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272014293] [2021-10-21 20:19:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:19:08,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:19:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,658 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:19:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:19:08,787 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:20:15,285 WARN L207 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-21 20:21:23,805 WARN L207 SmtUtils]: Spent 35.39 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-21 20:21:23,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:21:23 BoogieIcfgContainer [2021-10-21 20:21:23,986 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:21:23,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:21:23,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:21:23,988 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:21:23,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:19:07" (3/4) ... [2021-10-21 20:21:23,991 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 20:21:24,076 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:21:24,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:21:24,078 INFO L168 Benchmark]: Toolchain (without parser) took 138887.01 ms. Allocated memory was 81.8 MB in the beginning and 132.1 MB in the end (delta: 50.3 MB). Free memory was 42.4 MB in the beginning and 42.7 MB in the end (delta: -325.9 kB). Peak memory consumption was 50.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,079 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:21:24,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.49 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 42.2 MB in the beginning and 71.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.23 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 68.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,092 INFO L168 Benchmark]: Boogie Preprocessor took 73.53 ms. Allocated memory is still 109.1 MB. Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,093 INFO L168 Benchmark]: RCFGBuilder took 1204.06 ms. Allocated memory is still 109.1 MB. Free memory was 66.5 MB in the beginning and 82.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,094 INFO L168 Benchmark]: BuchiAutomizer took 136806.33 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 82.3 MB in the beginning and 45.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,095 INFO L168 Benchmark]: Witness Printer took 89.54 ms. Allocated memory is still 132.1 MB. Free memory was 45.7 MB in the beginning and 42.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:21:24,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 59.3 MB in the beginning and 59.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 619.49 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 42.2 MB in the beginning and 71.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.23 ms. Allocated memory is still 109.1 MB. Free memory was 71.8 MB in the beginning and 68.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.53 ms. Allocated memory is still 109.1 MB. Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1204.06 ms. Allocated memory is still 109.1 MB. Free memory was 66.5 MB in the beginning and 82.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 136806.33 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 82.3 MB in the beginning and 45.7 MB in the end (delta: 36.6 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. * Witness Printer took 89.54 ms. Allocated memory is still 132.1 MB. Free memory was 45.7 MB in the beginning and 42.7 MB in the end (delta: 3.0 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 136.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 136.3s. 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 40.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 102 SDtfs, 102 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.0ms 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: 234]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16818} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=29606, NULL=0, NULL=16818, retValue_acc=0, NULL=29618, NULL=0, NULL=0, NULL=0, NULL=29615, NULL=29612, NULL=29611, methaneLevelCritical=0, NULL=29621, tmp=0, NULL=0, NULL=0, NULL=29609, NULL=29608, tmp___1=0, NULL=0, NULL=0, NULL=29629, NULL=29607, cleanupTimeShifts=4, NULL=29628, NULL=0, systemActive=1, waterLevel=1, NULL=29622, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d48371c=0, NULL=16819, NULL=0, NULL=29613, NULL=29627, \result=1, NULL=29626, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@311ed4fb=0, tmp=1, NULL=29614, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a70b608=69, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d4d4bcf=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@193166ab=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@292d48df=0, NULL=0, NULL=29624, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ab702e3=0, NULL=29610, NULL=29616, NULL=0, NULL=0, NULL=0, NULL=0, NULL=29604, tmp___2=69, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ab3c03a=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=29619, NULL=29617, NULL=29620, tmp=0, head=0, NULL=29625, NULL=0, NULL=0, NULL=0, NULL=0, NULL=29605, NULL=0, NULL=29623, NULL=29630, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L428] int waterLevel = 1; [L429] int methaneLevelCritical = 0; [L686] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L884] int methAndRunningLastTime ; [L369] int retValue_acc ; [L370] int tmp ; [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); [L376] tmp = valid_product() [L378] COND TRUE \read(tmp) [L889] methAndRunningLastTime = 0 [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 Loop: [L234] COND TRUE 1 [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L216] systemActive = 1 [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L97] int tmp ; [L100] COND FALSE !(\read(pumpRunning)) [L894] int tmp ; [L895] int tmp___0 ; [L467] int retValue_acc ; [L470] retValue_acc = methaneLevelCritical [L471] return (retValue_acc); [L899] tmp = isMethaneLevelCritical() [L901] COND FALSE !(\read(tmp)) [L917] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:21:24,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac99c3-586d-43f7-94ce-347348816231/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...