./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.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_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/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_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/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_b8098e73-4435-438d-a794-c26a1fc32c2f/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 d2de004535e86b502472828c57e9d5f0f0fdfb12 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:18:45,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:18:45,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:18:45,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:18:45,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:18:45,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:18:45,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:18:45,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:18:45,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:18:45,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:18:45,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:18:45,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:18:45,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:18:45,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:18:45,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:18:45,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:18:45,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:18:45,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:18:45,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:18:45,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:18:45,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:18:45,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:18:45,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:18:45,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:18:45,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:18:45,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:18:45,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:18:45,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:18:45,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:18:45,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:18:45,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:18:45,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:18:45,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:18:45,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:18:45,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:18:45,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:18:45,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:18:45,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:18:45,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:18:45,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:18:45,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:18:45,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:18:45,534 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:18:45,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:18:45,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:18:45,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:18:45,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:18:45,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:18:45,544 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:18:45,545 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:18:45,545 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:18:45,545 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:18:45,546 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:18:45,547 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:18:45,547 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:18:45,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:18:45,547 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:18:45,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:18:45,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:18:45,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:18:45,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:18:45,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:18:45,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:18:45,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:18:45,549 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:18:45,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:18:45,550 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:18:45,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:18:45,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:18:45,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:18:45,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:18:45,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:18:45,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:18:45,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:18:45,555 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:18:45,556 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_b8098e73-4435-438d-a794-c26a1fc32c2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2de004535e86b502472828c57e9d5f0f0fdfb12 [2021-10-13 00:18:45,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:18:45,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:18:45,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:18:45,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:18:45,848 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:18:45,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-10-13 00:18:45,929 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/data/ca002f495/bf7f906e40dd4ab98123cd81aadf3d28/FLAG46d223e46 [2021-10-13 00:18:46,404 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:18:46,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-10-13 00:18:46,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/data/ca002f495/bf7f906e40dd4ab98123cd81aadf3d28/FLAG46d223e46 [2021-10-13 00:18:46,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/data/ca002f495/bf7f906e40dd4ab98123cd81aadf3d28 [2021-10-13 00:18:46,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:18:46,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:18:46,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:46,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:18:46,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:18:46,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:46" (1/1) ... [2021-10-13 00:18:46,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f165117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:46, skipping insertion in model container [2021-10-13 00:18:46,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:18:46" (1/1) ... [2021-10-13 00:18:46,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:18:46,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:18:47,091 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_b8098e73-4435-438d-a794-c26a1fc32c2f/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14645,14658] [2021-10-13 00:18:47,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:47,115 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:18:47,178 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_b8098e73-4435-438d-a794-c26a1fc32c2f/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c[14645,14658] [2021-10-13 00:18:47,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:18:47,203 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:18:47,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47 WrapperNode [2021-10-13 00:18:47,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:18:47,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:47,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:18:47,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:18:47,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:18:47,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:18:47,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:18:47,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:18:47,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:18:47,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:18:47,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:18:47,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:18:47,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (1/1) ... [2021-10-13 00:18:47,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:18:47,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:18:47,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:18:47,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:18:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:18:47,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:18:47,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:18:47,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:18:48,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:18:48,083 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-10-13 00:18:48,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:48 BoogieIcfgContainer [2021-10-13 00:18:48,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:18:48,086 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:18:48,086 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:18:48,103 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:18:48,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:48,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:18:46" (1/3) ... [2021-10-13 00:18:48,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6022bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:18:48, skipping insertion in model container [2021-10-13 00:18:48,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:48,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:18:47" (2/3) ... [2021-10-13 00:18:48,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6022bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:18:48, skipping insertion in model container [2021-10-13 00:18:48,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:18:48,106 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:48" (3/3) ... [2021-10-13 00:18:48,107 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2021-10-13 00:18:48,175 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:18:48,176 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:18:48,176 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:18:48,187 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:18:48,187 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:18:48,188 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:18:48,188 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:18:48,188 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:18:48,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 00:18:48,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-13 00:18:48,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:48,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:48,258 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:48,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:48,258 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:18:48,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 00:18:48,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-13 00:18:48,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:48,265 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:48,265 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:48,266 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:48,271 INFO L791 eck$LassoCheckResult]: Stem: 54#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 44#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 35#L771true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 8#L779true main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 45#L867true assume 0 != main_~tmp~5; 6#L843true ~switchedOnBeforeTS~0 := 0; 12#L703true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 55#L724-1true [2021-10-13 00:18:48,272 INFO L793 eck$LassoCheckResult]: Loop: 55#L724-1true assume !false; 32#L632true assume test_~splverifierCounter~0 < 4; 61#L633true test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 46#L641true assume !(0 != test_~tmp~3); 15#L641-1true test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 52#L651true assume !(0 != test_~tmp___0~0); 4#L651-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 47#L661true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 53#L669-2true havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 56#L571true __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 36#L713true assume !(0 != ~pumpRunning~0); 17#L512true assume 0 != ~systemActive~0; 18#L519true havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 51#L489true __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 25#L724true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 55#L724-1true [2021-10-13 00:18:48,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:48,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:18:48,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:48,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287869269] [2021-10-13 00:18:48,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:48,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:48,535 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:48,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:48,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:48,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2021-10-13 00:18:48,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:48,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492593427] [2021-10-13 00:18:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:48,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:48,750 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:48,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:48,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:48,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2021-10-13 00:18:48,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:48,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167563712] [2021-10-13 00:18:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:48,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:18:48,978 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 00:18:48,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:18:48,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167563712] [2021-10-13 00:18:48,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167563712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:18:48,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:18:48,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:18:48,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22509549] [2021-10-13 00:18:49,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:18:49,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:18:49,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:18:49,289 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 00:18:49,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:18:49,478 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-13 00:18:49,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:18:49,480 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-13 00:18:49,499 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-13 00:18:49,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-13 00:18:49,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-13 00:18:49,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-13 00:18:49,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-13 00:18:49,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:18:49,512 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-13 00:18:49,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-13 00:18:49,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-13 00:18:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 00:18:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-13 00:18:49,560 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-13 00:18:49,560 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-13 00:18:49,560 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:18:49,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-13 00:18:49,563 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-13 00:18:49,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:18:49,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:18:49,564 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:18:49,564 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 00:18:49,565 INFO L791 eck$LassoCheckResult]: Stem: 312#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 303#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 293#L771 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 250#L779 main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 251#L867 assume 0 != main_~tmp~5; 246#L843 ~switchedOnBeforeTS~0 := 0; 247#L703 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 257#L724-1 [2021-10-13 00:18:49,566 INFO L793 eck$LassoCheckResult]: Loop: 257#L724-1 assume !false; 286#L632 assume test_~splverifierCounter~0 < 4; 287#L633 test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 304#L641 assume !(0 != test_~tmp~3); 263#L641-1 test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 264#L651 assume !(0 != test_~tmp___0~0); 292#L651-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 344#L661 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 342#L669-2 havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 341#L571 __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 340#L713 assume !(0 != ~pumpRunning~0); 339#L512 assume 0 != ~systemActive~0; 270#L519 havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 271#L489 __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 281#L724 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 282#L571-1 __utac_acc__Specification5_spec__3_#t~ret75 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret75;havoc __utac_acc__Specification5_spec__3_#t~ret75; 320#L728 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 257#L724-1 [2021-10-13 00:18:49,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:49,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:18:49,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:49,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211916649] [2021-10-13 00:18:49,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:49,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,660 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:49,762 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2021-10-13 00:18:49,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:49,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178206124] [2021-10-13 00:18:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:49,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,769 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:18:49,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:18:49,778 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2021-10-13 00:18:49,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:18:49,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162234272] [2021-10-13 00:18:49,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:18:49,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:18:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,863 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:18:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:18:49,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:53,021 WARN L207 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:20:50,869 WARN L207 SmtUtils]: Spent 25.14 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:20:50,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:20:50 BoogieIcfgContainer [2021-10-13 00:20:50,979 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:20:50,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:20:50,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:20:50,980 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:20:50,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:18:48" (3/4) ... [2021-10-13 00:20:50,983 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:20:51,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:20:51,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:20:51,039 INFO L168 Benchmark]: Toolchain (without parser) took 124278.95 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 54.0 MB in the beginning and 47.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,040 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:20:51,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.8 MB in the beginning and 76.5 MB in the end (delta: -22.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.11 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 73.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,042 INFO L168 Benchmark]: Boogie Preprocessor took 33.68 ms. Allocated memory is still 109.1 MB. Free memory was 73.7 MB in the beginning and 72.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,043 INFO L168 Benchmark]: RCFGBuilder took 785.53 ms. Allocated memory is still 109.1 MB. Free memory was 72.0 MB in the beginning and 61.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,043 INFO L168 Benchmark]: BuchiAutomizer took 122892.65 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 61.4 MB in the beginning and 50.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,044 INFO L168 Benchmark]: Witness Printer took 58.64 ms. Allocated memory is still 132.1 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:20:51,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 59.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.50 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 53.8 MB in the beginning and 76.5 MB in the end (delta: -22.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.11 ms. Allocated memory is still 109.1 MB. Free memory was 76.5 MB in the beginning and 73.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.68 ms. Allocated memory is still 109.1 MB. Free memory was 73.7 MB in the beginning and 72.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 785.53 ms. Allocated memory is still 109.1 MB. Free memory was 72.0 MB in the beginning and 61.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 122892.65 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 61.4 MB in the beginning and 50.0 MB in the end (delta: 11.4 MB). Peak memory consumption was 54.7 MB. Max. memory is 16.1 GB. * Witness Printer took 58.64 ms. Allocated memory is still 132.1 MB. Free memory was 50.0 MB in the beginning and 47.9 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 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 122.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 122.3s. Construction of modules took 0.0s. 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 34.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.3ms 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: 631]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7919} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=7919, NULL=0, NULL=0, NULL=7931, NULL=0, retValue_acc=0, NULL=7928, NULL=7943, methaneLevelCritical=0, NULL=7930, tmp=0, NULL=0, tmp=1, NULL=0, NULL=7926, tmp___1=0, NULL=7936, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fc4faea=0, NULL=7942, NULL=7934, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@736e6ce=0, NULL=7921, cleanupTimeShifts=4, NULL=7924, switchedOnBeforeTS=0, NULL=7944, NULL=7935, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=7929, NULL=0, NULL=7937, NULL=0, tmp___0=0, NULL=7941, NULL=0, NULL=0, NULL=7922, \result=1, head=0, pumpRunning=0, NULL=7938, \result=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e31cf3e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e6b279d=0, NULL=0, NULL=7927, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38f33970=0, NULL=0, NULL=0, tmp=1, NULL=7932, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b419a9b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26e42e8e=61, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a9d5007=0, retValue_acc=1, NULL=7946, tmp___2=61, retValue_acc=1, NULL=7923, NULL=7920, splverifierCounter=0, NULL=0, NULL=7945, head=0, NULL=0, NULL=0, NULL=7947, NULL=0, NULL=0, NULL=7933, NULL=7925, NULL=7940, retValue_acc=0, NULL=7939} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L697] int switchedOnBeforeTS ; [L784] int cleanupTimeShifts = 4; [L858] int retValue_acc ; [L859] int tmp ; [L775] int retValue_acc ; [L778] retValue_acc = 1 [L779] return (retValue_acc); [L865] tmp = valid_product() [L867] COND TRUE \read(tmp) [L702] switchedOnBeforeTS = 0 [L622] int splverifierCounter ; [L623] int tmp ; [L624] int tmp___0 ; [L625] int tmp___1 ; [L626] int tmp___2 ; [L629] splverifierCounter = 0 Loop: [L631] COND TRUE 1 [L633] COND TRUE splverifierCounter < 4 [L639] tmp = __VERIFIER_nondet_int() [L641] COND FALSE !(\read(tmp)) [L649] tmp___0 = __VERIFIER_nondet_int() [L651] COND FALSE !(\read(tmp___0)) [L659] tmp___2 = __VERIFIER_nondet_int() [L661] COND TRUE \read(tmp___2) [L615] systemActive = 1 [L567] int retValue_acc ; [L570] retValue_acc = pumpRunning [L571] return (retValue_acc); [L711] switchedOnBeforeTS = isPumpRunning() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L717] int tmp ; [L718] int tmp___0 ; [L485] int retValue_acc ; [L488] retValue_acc = waterLevel [L489] return (retValue_acc); [L722] tmp = getWaterLevel() [L724] COND TRUE tmp != 2 [L567] int retValue_acc ; [L570] retValue_acc = pumpRunning [L571] return (retValue_acc); [L726] tmp___0 = isPumpRunning() [L728] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:20:51,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8098e73-4435-438d-a794-c26a1fc32c2f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...