./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt --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 9e415830c99866fa2d78d65d6e223b9265a4de47 ................................................................................................................................................................................................................................................................................................................................................................................................. 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-4e77c04 [2021-10-13 01:11:43,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:11:43,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:11:43,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:11:43,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:11:43,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:11:43,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:11:43,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:11:43,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:11:43,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:11:43,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:11:43,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:11:43,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:11:43,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:11:43,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:11:43,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:11:43,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:11:43,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:11:43,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:11:43,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:11:43,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:11:43,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:11:43,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:11:43,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:11:43,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:11:43,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:11:43,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:11:43,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:11:43,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:11:43,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:11:43,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:11:43,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:11:43,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:11:43,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:11:43,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:11:43,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:11:43,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:11:43,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:11:43,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:11:43,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:11:43,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:11:43,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:11:43,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:11:43,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:11:43,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:11:43,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:11:43,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:11:43,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:11:43,243 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:11:43,243 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:11:43,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:11:43,244 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:11:43,245 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:11:43,245 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:11:43,246 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:11:43,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:11:43,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:11:43,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:11:43,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:11:43,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:11:43,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:11:43,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:11:43,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:11:43,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:11:43,248 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:11:43,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:11:43,249 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:11:43,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:11:43,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:11:43,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:11:43,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:11:43,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:11:43,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:11:43,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:11:43,254 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:11:43,254 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_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e415830c99866fa2d78d65d6e223b9265a4de47 [2021-10-13 01:11:43,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:11:43,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:11:43,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:11:43,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:11:43,644 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:11:43,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2021-10-13 01:11:43,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/data/66007bbee/9aa1623260d94e43a2c82933896df29a/FLAG101ee1a6f [2021-10-13 01:11:44,281 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:11:44,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2021-10-13 01:11:44,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/data/66007bbee/9aa1623260d94e43a2c82933896df29a/FLAG101ee1a6f [2021-10-13 01:11:44,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/data/66007bbee/9aa1623260d94e43a2c82933896df29a [2021-10-13 01:11:44,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:11:44,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:11:44,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:44,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:11:44,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:11:44,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:44" (1/1) ... [2021-10-13 01:11:44,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a99068b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:44, skipping insertion in model container [2021-10-13 01:11:44,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:11:44" (1/1) ... [2021-10-13 01:11:44,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:11:44,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:11:44,967 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_199b32a5-44b1-421e-ab0a-b64c25d17741/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16667,16680] [2021-10-13 01:11:44,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:44,983 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:11:45,125 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_199b32a5-44b1-421e-ab0a-b64c25d17741/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16667,16680] [2021-10-13 01:11:45,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:11:45,148 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:11:45,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45 WrapperNode [2021-10-13 01:11:45,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:11:45,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:45,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:11:45,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:11:45,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:11:45,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:11:45,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:11:45,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:11:45,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:11:45,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:11:45,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:11:45,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:11:45,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (1/1) ... [2021-10-13 01:11:45,341 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:11:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:11:45,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:11:45,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:11:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:11:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:11:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:11:45,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:11:46,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:11:46,351 INFO L299 CfgBuilder]: Removed 86 assume(true) statements. [2021-10-13 01:11:46,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:46 BoogieIcfgContainer [2021-10-13 01:11:46,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:11:46,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:11:46,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:11:46,360 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:11:46,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:46,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:11:44" (1/3) ... [2021-10-13 01:11:46,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@630dd97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:11:46, skipping insertion in model container [2021-10-13 01:11:46,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:46,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:11:45" (2/3) ... [2021-10-13 01:11:46,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@630dd97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:11:46, skipping insertion in model container [2021-10-13 01:11:46,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:11:46,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:46" (3/3) ... [2021-10-13 01:11:46,366 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2021-10-13 01:11:46,428 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:11:46,428 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:11:46,429 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:11:46,429 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:11:46,429 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:11:46,429 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:11:46,429 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:11:46,429 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:11:46,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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) [2021-10-13 01:11:46,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-13 01:11:46,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:11:46,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:11:46,496 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:46,496 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:46,496 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:11:46,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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) [2021-10-13 01:11:46,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-13 01:11:46,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:11:46,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:11:46,513 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:46,513 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:46,526 INFO L791 eck$LassoCheckResult]: Stem: 49#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 36#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 52#L885true 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; 14#L893true main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 31#L840true assume 0 != main_~tmp~5; 38#L813true ~switchedOnBeforeTS~0 := 0; 32#L51true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4#L72-1true [2021-10-13 01:11:46,528 INFO L793 eck$LassoCheckResult]: Loop: 4#L72-1true assume !false; 16#L111true assume test_~splverifierCounter~0 < 4; 50#L112true test_~tmp~1 := test_#t~nondet10;havoc test_#t~nondet10; 45#L120true assume !(0 != test_~tmp~1); 46#L120-1true test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 59#L130true assume !(0 != test_~tmp___0~1); 62#L130-1true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 55#L140true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 35#L148-1true havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 11#L244true __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 6#L61true assume !(0 != ~pumpRunning~0); 28#L185true assume 0 != ~systemActive~0; 21#L192true havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 7#L749true __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 64#L72true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 4#L72-1true [2021-10-13 01:11:46,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:46,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 01:11:46,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:46,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798347235] [2021-10-13 01:11:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:46,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:46,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,082 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:47,093 INFO L82 PathProgramCache]: Analyzing trace with hash 674243929, now seen corresponding path program 1 times [2021-10-13 01:11:47,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:47,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327878216] [2021-10-13 01:11:47,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:47,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,115 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,131 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:47,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:47,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1686698157, now seen corresponding path program 1 times [2021-10-13 01:11:47,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:47,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438526769] [2021-10-13 01:11:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:47,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:11:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:11:47,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:11:47,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438526769] [2021-10-13 01:11:47,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438526769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:11:47,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:11:47,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:11:47,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065587012] [2021-10-13 01:11:47,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:11:47,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:11:47,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:11:47,516 INFO L87 Difference]: Start difference. First operand has 65 states, 64 states have (on average 1.5) internal successors, (96), 64 states have internal predecessors, (96), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-13 01:11:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:11:47,653 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2021-10-13 01:11:47,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:11:47,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2021-10-13 01:11:47,661 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-10-13 01:11:47,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2021-10-13 01:11:47,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2021-10-13 01:11:47,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2021-10-13 01:11:47,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2021-10-13 01:11:47,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:11:47,672 INFO L681 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2021-10-13 01:11:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2021-10-13 01:11:47,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2021-10-13 01:11:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 108 states have internal predecessors, (148), 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) [2021-10-13 01:11:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2021-10-13 01:11:47,707 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-10-13 01:11:47,708 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2021-10-13 01:11:47,708 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:11:47,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2021-10-13 01:11:47,710 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2021-10-13 01:11:47,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:11:47,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:11:47,711 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:47,711 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:11:47,727 INFO L791 eck$LassoCheckResult]: Stem: 314#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~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 301#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 302#L885 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; 272#L893 main_#t~ret76 := valid_product_#res;main_~tmp~5 := main_#t~ret76;havoc main_#t~ret76; 273#L840 assume 0 != main_~tmp~5; 295#L813 ~switchedOnBeforeTS~0 := 0; 296#L51 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 254#L72-1 [2021-10-13 01:11:47,727 INFO L793 eck$LassoCheckResult]: Loop: 254#L72-1 assume !false; 255#L111 assume test_~splverifierCounter~0 < 4; 274#L112 test_~tmp~1 := test_#t~nondet10;havoc test_#t~nondet10; 315#L120 assume !(0 != test_~tmp~1); 362#L120-1 test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 361#L130 assume !(0 != test_~tmp___0~1); 359#L130-1 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 320#L140 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 291#L148-1 havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 270#L244 __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 259#L61 assume !(0 != ~pumpRunning~0); 260#L185 assume 0 != ~systemActive~0; 281#L192 havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 262#L749 __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 263#L72 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 284#L244-1 __utac_acc__Specification5_spec__3_#t~ret9 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 285#L76 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 254#L72-1 [2021-10-13 01:11:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 01:11:47,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:47,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902700741] [2021-10-13 01:11:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:47,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,798 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:47,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:47,912 INFO L82 PathProgramCache]: Analyzing trace with hash -591660588, now seen corresponding path program 1 times [2021-10-13 01:11:47,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:47,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197016732] [2021-10-13 01:11:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:47,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,925 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:47,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:11:47,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:11:47,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1714272946, now seen corresponding path program 1 times [2021-10-13 01:11:47,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:11:47,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37021740] [2021-10-13 01:11:47,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:11:47,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:11:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:48,006 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:11:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:11:48,104 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:12:57,004 WARN L207 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 01:14:08,390 WARN L207 SmtUtils]: Spent 34.21 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 01:14:08,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:14:08 BoogieIcfgContainer [2021-10-13 01:14:08,596 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:14:08,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:14:08,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:14:08,597 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:14:08,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:11:46" (3/4) ... [2021-10-13 01:14:08,601 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:14:08,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:14:08,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:14:08,677 INFO L168 Benchmark]: Toolchain (without parser) took 144093.89 ms. Allocated memory was 92.3 MB in the beginning and 157.3 MB in the end (delta: 65.0 MB). Free memory was 55.6 MB in the beginning and 45.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,678 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:14:08,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.81 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.5 MB in the beginning and 86.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.24 ms. Allocated memory is still 119.5 MB. Free memory was 86.8 MB in the beginning and 83.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,681 INFO L168 Benchmark]: Boogie Preprocessor took 78.84 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 82.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,682 INFO L168 Benchmark]: RCFGBuilder took 1029.50 ms. Allocated memory is still 119.5 MB. Free memory was 81.9 MB in the beginning and 76.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,683 INFO L168 Benchmark]: BuchiAutomizer took 142241.39 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 76.7 MB in the beginning and 47.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,684 INFO L168 Benchmark]: Witness Printer took 79.27 ms. Allocated memory is still 157.3 MB. Free memory was 47.2 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:14:08,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 62.0 MB in the beginning and 62.0 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.81 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.5 MB in the beginning and 86.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.24 ms. Allocated memory is still 119.5 MB. Free memory was 86.8 MB in the beginning and 83.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.84 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 82.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1029.50 ms. Allocated memory is still 119.5 MB. Free memory was 81.9 MB in the beginning and 76.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 142241.39 ms. Allocated memory was 119.5 MB in the beginning and 157.3 MB in the end (delta: 37.7 MB). Free memory was 76.7 MB in the beginning and 47.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * Witness Printer took 79.27 ms. Allocated memory is still 157.3 MB. Free memory was 47.2 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 142.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 141.8s. 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 21.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.7ms 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: 110]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=20199} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=20199, NULL=20207, NULL=0, NULL=0, NULL=20203, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d93f036=0, methaneLevelCritical=0, NULL=0, NULL=0, tmp___1=0, tmp=1, NULL=0, NULL=0, NULL=20210, NULL=20220, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@641de758=0, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, NULL=20211, \result=0, NULL=20224, NULL=0, systemActive=1, waterLevel=1, NULL=20205, \result=1, NULL=0, NULL=20222, NULL=0, NULL=0, NULL=0, NULL=0, NULL=20201, NULL=0, NULL=0, NULL=20213, tmp___0=0, \result=1, NULL=20209, head=0, pumpRunning=0, NULL=20216, \result=0, NULL=20221, NULL=0, NULL=0, tmp=1, NULL=0, NULL=20204, retValue_acc=1, NULL=20200, NULL=20212, NULL=0, NULL=20225, NULL=0, NULL=20218, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19944b7a=0, tmp___2=69, NULL=0, NULL=20219, tmp___0=0, NULL=20227, splverifierCounter=0, NULL=0, NULL=0, NULL=20206, NULL=20217, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@777219ca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23bdfb14=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dcd519f=0, NULL=20226, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76f1f9d8=69, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fcdd153=0, head=0, retValue_acc=0, NULL=0, NULL=0, NULL=20215, NULL=0, NULL=0, NULL=20208, NULL=0, NULL=20202, NULL=20223, NULL=20214} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L45] int switchedOnBeforeTS ; [L175] int pumpRunning = 0; [L176] int systemActive = 1; [L477] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L674] int waterLevel = 1; [L675] int methaneLevelCritical = 0; [L754] int cleanupTimeShifts = 4; [L831] int retValue_acc ; [L832] int tmp ; [L889] int retValue_acc ; [L892] retValue_acc = 1 [L893] return (retValue_acc); [L838] tmp = valid_product() [L840] COND TRUE \read(tmp) [L50] switchedOnBeforeTS = 0 [L101] int splverifierCounter ; [L102] int tmp ; [L103] int tmp___0 ; [L104] int tmp___1 ; [L105] int tmp___2 ; [L108] splverifierCounter = 0 Loop: [L110] COND TRUE 1 [L112] COND TRUE splverifierCounter < 4 [L118] tmp = __VERIFIER_nondet_int() [L120] COND FALSE !(\read(tmp)) [L128] tmp___0 = __VERIFIER_nondet_int() [L130] COND FALSE !(\read(tmp___0)) [L138] tmp___2 = __VERIFIER_nondet_int() [L140] COND TRUE \read(tmp___2) [L303] systemActive = 1 [L240] int retValue_acc ; [L243] retValue_acc = pumpRunning [L244] return (retValue_acc); [L59] switchedOnBeforeTS = isPumpRunning() [L185] COND FALSE !(\read(pumpRunning)) [L192] COND TRUE \read(systemActive) [L65] int tmp ; [L66] int tmp___0 ; [L745] int retValue_acc ; [L748] retValue_acc = waterLevel [L749] return (retValue_acc); [L70] tmp = getWaterLevel() [L72] COND TRUE tmp != 2 [L240] int retValue_acc ; [L243] retValue_acc = pumpRunning [L244] return (retValue_acc); [L74] tmp___0 = isPumpRunning() [L76] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:14:08,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_199b32a5-44b1-421e-ab0a-b64c25d17741/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...