./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg --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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f ..................................................................................................................................................................................................................................................................................................................................................................................... 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 09:22:02,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:22:02,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:22:02,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:22:02,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:22:02,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:22:02,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:22:02,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:22:02,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:22:02,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:22:02,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:22:02,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:22:02,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:22:02,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:22:02,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:22:02,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:22:02,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:22:02,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:22:02,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:22:02,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:22:02,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:22:02,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:22:02,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:22:02,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:22:02,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:22:02,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:22:02,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:22:02,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:22:02,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:22:02,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:22:02,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:22:02,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:22:02,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:22:02,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:22:02,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:22:02,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:22:02,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:22:02,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:22:02,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:22:02,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:22:02,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:22:02,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:22:02,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:22:02,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:22:02,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:22:02,452 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:22:02,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:22:02,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:22:02,454 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:22:02,455 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:22:02,455 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:22:02,455 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:22:02,457 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:22:02,457 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:22:02,457 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:22:02,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:22:02,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:22:02,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:22:02,459 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:22:02,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:22:02,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:22:02,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:22:02,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:22:02,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:22:02,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:22:02,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:22:02,461 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:22:02,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:22:02,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:22:02,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:22:02,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:22:02,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:22:02,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:22:02,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:22:02,466 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:22:02,467 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_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2021-10-28 09:22:02,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:22:02,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:22:02,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:22:02,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:22:02,995 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:22:02,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-28 09:22:03,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/data/57cc9a6b1/767c9c5bf22f4d8d9d0e0c86f3c94e48/FLAG824ec0711 [2021-10-28 09:22:03,774 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:22:03,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-28 09:22:03,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/data/57cc9a6b1/767c9c5bf22f4d8d9d0e0c86f3c94e48/FLAG824ec0711 [2021-10-28 09:22:04,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/data/57cc9a6b1/767c9c5bf22f4d8d9d0e0c86f3c94e48 [2021-10-28 09:22:04,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:22:04,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:22:04,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:22:04,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:22:04,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:22:04,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:04,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b574744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04, skipping insertion in model container [2021-10-28 09:22:04,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:04,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:22:04,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:22:04,500 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_5a682746-b43f-46f1-bc0a-c82506e4106f/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-28 09:22:04,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:22:04,759 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:22:04,793 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_5a682746-b43f-46f1-bc0a-c82506e4106f/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-28 09:22:04,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:22:04,957 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:22:04,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04 WrapperNode [2021-10-28 09:22:04,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:22:04,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:22:04,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:22:04,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:22:04,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:22:05,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:22:05,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:22:05,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:22:05,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:22:05,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:22:05,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:22:05,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:22:05,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (1/1) ... [2021-10-28 09:22:05,181 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:05,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:05,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:05,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:22:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:22:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:22:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:22:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:22:06,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:22:06,287 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-28 09:22:06,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:06 BoogieIcfgContainer [2021-10-28 09:22:06,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:22:06,291 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:22:06,291 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:22:06,296 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:22:06,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:22:06,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:22:04" (1/3) ... [2021-10-28 09:22:06,300 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fcd77b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:22:06, skipping insertion in model container [2021-10-28 09:22:06,300 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:22:06,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:04" (2/3) ... [2021-10-28 09:22:06,301 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fcd77b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:22:06, skipping insertion in model container [2021-10-28 09:22:06,301 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:22:06,301 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:06" (3/3) ... [2021-10-28 09:22:06,303 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-10-28 09:22:06,377 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:22:06,377 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:22:06,377 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:22:06,378 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:22:06,378 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:22:06,378 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:22:06,378 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:22:06,378 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:22:06,406 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 09:22:06,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:22:06,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:22:06,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:22:06,450 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:22:06,450 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:22:06,450 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:22:06,451 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 09:22:06,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-10-28 09:22:06,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:22:06,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:22:06,470 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:22:06,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:22:06,484 INFO L791 eck$LassoCheckResult]: Stem: 43#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 31#L-1true havoc main_#res;havoc main_#t~ret41, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 33#L873true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 28#L881true main_#t~ret41 := valid_product_#res;main_~tmp~3 := main_#t~ret41;havoc main_#t~ret41; 24#L471true assume 0 != main_~tmp~3; 30#L445true havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L288-1true [2021-10-28 09:22:06,485 INFO L793 eck$LassoCheckResult]: Loop: 52#L288-1true assume !false; 53#L223true assume test_~splverifierCounter~0 < 4; 14#L224true test_~tmp~1 := test_#t~nondet25;havoc test_#t~nondet25; 54#L232true assume !(0 != test_~tmp~1); 29#L232-1true test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 51#L242true assume !(0 != test_~tmp___0~0); 37#L242-1true test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 42#L252true assume 0 != test_~tmp___2~0; 11#L258-1true assume !(0 != ~pumpRunning~0); 56#L76true assume !(0 != ~systemActive~0); 23#L83true havoc __utac_acc__Specification4_spec__1_#t~ret29, __utac_acc__Specification4_spec__1_#t~ret30, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 58#L381true __utac_acc__Specification4_spec__1_#t~ret29 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret29;havoc __utac_acc__Specification4_spec__1_#t~ret29; 25#L288true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 52#L288-1true [2021-10-28 09:22:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:06,497 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:22:06,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:06,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94590238] [2021-10-28 09:22:06,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:06,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:06,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:07,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:22:07,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:07,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2021-10-28 09:22:07,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:07,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241071627] [2021-10-28 09:22:07,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:07,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:07,277 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:07,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:22:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:07,292 INFO L85 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2021-10-28 09:22:07,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:07,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33982193] [2021-10-28 09:22:07,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:07,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:22:07,468 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 09:22:07,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:22:07,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33982193] [2021-10-28 09:22:07,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33982193] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:22:07,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:22:07,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:22:07,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240569699] [2021-10-28 09:22:07,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:22:07,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:22:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:22:07,641 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 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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 09:22:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:22:07,991 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2021-10-28 09:22:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:22:07,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2021-10-28 09:22:08,003 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2021-10-28 09:22:08,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2021-10-28 09:22:08,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-10-28 09:22:08,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-10-28 09:22:08,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2021-10-28 09:22:08,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:22:08,017 INFO L681 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2021-10-28 09:22:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2021-10-28 09:22:08,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2021-10-28 09:22:08,054 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 09:22:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-10-28 09:22:08,058 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-28 09:22:08,058 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-10-28 09:22:08,058 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:22:08,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2021-10-28 09:22:08,061 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2021-10-28 09:22:08,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:22:08,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:22:08,063 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:22:08,063 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:22:08,064 INFO L791 eck$LassoCheckResult]: Stem: 276#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 271#L-1 havoc main_#res;havoc main_#t~ret41, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 272#L873 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 269#L881 main_#t~ret41 := valid_product_#res;main_~tmp~3 := main_#t~ret41;havoc main_#t~ret41; 263#L471 assume 0 != main_~tmp~3; 264#L445 havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 260#L288-1 [2021-10-28 09:22:08,064 INFO L793 eck$LassoCheckResult]: Loop: 260#L288-1 assume !false; 279#L223 assume test_~splverifierCounter~0 < 4; 246#L224 test_~tmp~1 := test_#t~nondet25;havoc test_#t~nondet25; 247#L232 assume !(0 != test_~tmp~1); 255#L232-1 test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 270#L242 assume !(0 != test_~tmp___0~0); 241#L242-1 test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 275#L252 assume 0 != test_~tmp___2~0; 242#L258-1 assume !(0 != ~pumpRunning~0); 244#L76 assume 0 != ~systemActive~0; 261#L83 havoc __utac_acc__Specification4_spec__1_#t~ret29, __utac_acc__Specification4_spec__1_#t~ret30, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 262#L381 __utac_acc__Specification4_spec__1_#t~ret29 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret29;havoc __utac_acc__Specification4_spec__1_#t~ret29; 265#L288 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 260#L288-1 [2021-10-28 09:22:08,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:08,065 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 09:22:08,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:08,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245135256] [2021-10-28 09:22:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:08,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,145 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,224 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:22:08,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2021-10-28 09:22:08,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:08,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896856931] [2021-10-28 09:22:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:08,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,233 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,242 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:22:08,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:08,243 INFO L85 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2021-10-28 09:22:08,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:08,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626612930] [2021-10-28 09:22:08,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:08,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:08,413 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:23:25,207 WARN L207 SmtUtils]: Spent 1.28 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:24:42,485 WARN L207 SmtUtils]: Spent 39.02 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:24:42,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:24:42 BoogieIcfgContainer [2021-10-28 09:24:42,698 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:24:42,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:24:42,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:24:42,700 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:24:42,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:06" (3/4) ... [2021-10-28 09:24:42,704 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:24:42,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:24:42,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:24:42,774 INFO L168 Benchmark]: Toolchain (without parser) took 158694.76 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 44.8 MB in the beginning and 28.2 MB in the end (delta: 16.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,775 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 83.9 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:24:42,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.37 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 44.6 MB in the beginning and 87.4 MB in the end (delta: -42.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.42 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 84.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,778 INFO L168 Benchmark]: Boogie Preprocessor took 75.91 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 82.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,779 INFO L168 Benchmark]: RCFGBuilder took 1121.16 ms. Allocated memory is still 121.6 MB. Free memory was 82.5 MB in the beginning and 46.7 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,780 INFO L168 Benchmark]: BuchiAutomizer took 156407.51 ms. Allocated memory is still 121.6 MB. Free memory was 46.7 MB in the beginning and 30.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,781 INFO L168 Benchmark]: Witness Printer took 73.63 ms. Allocated memory is still 121.6 MB. Free memory was 30.2 MB in the beginning and 28.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:24:42,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 83.9 MB. Free memory is still 62.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.37 ms. Allocated memory was 83.9 MB in the beginning and 121.6 MB in the end (delta: 37.7 MB). Free memory was 44.6 MB in the beginning and 87.4 MB in the end (delta: -42.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.42 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 84.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.91 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 82.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1121.16 ms. Allocated memory is still 121.6 MB. Free memory was 82.5 MB in the beginning and 46.7 MB in the end (delta: 35.9 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 156407.51 ms. Allocated memory is still 121.6 MB. Free memory was 46.7 MB in the beginning and 30.2 MB in the end (delta: 16.4 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Witness Printer took 73.63 ms. Allocated memory is still 121.6 MB. Free memory was 30.2 MB in the beginning and 28.2 MB in the end (delta: 2.0 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 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 156.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 155.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 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: 71 SDtfs, 322 SDslu, 326 SDs, 0 SdLazy, 35 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1522} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=1524, NULL=0, NULL=1522, NULL=0, retValue_acc=0, NULL=1529, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5db8bdef=0, NULL=0, NULL=0, NULL=1531, NULL=1536, NULL=1541, NULL=1535, methaneLevelCritical=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=1542, NULL=1540, tmp___0=0, cleanupTimeShifts=4, NULL=1528, tmp=0, NULL=1523, NULL=0, systemActive=1, waterLevel=1, NULL=1547, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=1526, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49e72def=0, tmp___0=0, NULL=1530, retValue_acc=1, NULL=1538, \result=1, NULL=1525, head=0, pumpRunning=0, \result=0, tmp=1, NULL=1534, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e63ffda=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cb8e6cb=71, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73c47a6c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6975b8c6=0, NULL=0, NULL=0, retValue_acc=1, NULL=1539, NULL=1543, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=1550, tmp___2=71, splverifierCounter=0, NULL=0, NULL=1533, NULL=1537, NULL=1546, head=0, NULL=1544, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@caef19b=0, NULL=0, NULL=1527, NULL=1549, NULL=0, NULL=1532, NULL=1548, NULL=1545} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L281] int tmp ; [L282] int tmp___0 ; [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:24:42,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a682746-b43f-46f1-bc0a-c82506e4106f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...