./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/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_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/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_a7685ab5-1351-4be4-9a32-a52da7f384b9/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 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 .......................................................................................................................................................................................................................................................................................................................................................................................... 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 00:30:46,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:30:46,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:30:46,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:30:46,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:30:46,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:30:46,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:30:46,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:30:46,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:30:46,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:30:46,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:30:46,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:30:46,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:30:46,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:30:46,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:30:46,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:30:46,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:30:46,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:30:46,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:30:46,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:30:46,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:30:46,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:30:46,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:30:46,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:30:46,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:30:46,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:30:46,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:30:46,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:30:46,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:30:46,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:30:46,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:30:46,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:30:46,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:30:46,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:30:46,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:30:46,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:30:46,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:30:46,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:30:46,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:30:46,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:30:46,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:30:46,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:30:46,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:30:46,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:30:46,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:30:46,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:30:46,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:30:46,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:30:46,465 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:30:46,465 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:30:46,466 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:30:46,466 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:30:46,467 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:30:46,467 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:30:46,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:30:46,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:30:46,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:30:46,468 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:30:46,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:30:46,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:30:46,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:30:46,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:30:46,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:30:46,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:30:46,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:30:46,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:30:46,471 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:30:46,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:30:46,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:30:46,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:30:46,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:30:46,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:30:46,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:30:46,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:30:46,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:30:46,476 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_a7685ab5-1351-4be4-9a32-a52da7f384b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 [2021-10-13 00:30:46,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:30:46,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:30:46,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:30:46,805 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:30:46,806 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:30:46,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-13 00:30:46,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/data/3f3cc4911/4c651a764b614482be3566c074346acb/FLAG45327bd19 [2021-10-13 00:30:47,492 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:30:47,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-13 00:30:47,515 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/data/3f3cc4911/4c651a764b614482be3566c074346acb/FLAG45327bd19 [2021-10-13 00:30:47,798 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/data/3f3cc4911/4c651a764b614482be3566c074346acb [2021-10-13 00:30:47,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:30:47,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:30:47,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:47,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:30:47,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:30:47,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:47" (1/1) ... [2021-10-13 00:30:47,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ead436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:47, skipping insertion in model container [2021-10-13 00:30:47,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:30:47" (1/1) ... [2021-10-13 00:30:47,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:30:47,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:30:48,230 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_a7685ab5-1351-4be4-9a32-a52da7f384b9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-13 00:30:48,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:48,247 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:30:48,400 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_a7685ab5-1351-4be4-9a32-a52da7f384b9/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-13 00:30:48,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:30:48,428 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:30:48,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48 WrapperNode [2021-10-13 00:30:48,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:30:48,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:48,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:30:48,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:30:48,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:30:48,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:30:48,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:30:48,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:30:48,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:30:48,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:30:48,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:30:48,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:30:48,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (1/1) ... [2021-10-13 00:30:48,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:30:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:30:48,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:30:48,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:30:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:30:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:30:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:30:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:30:49,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:30:49,753 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-13 00:30:49,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:49 BoogieIcfgContainer [2021-10-13 00:30:49,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:30:49,784 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:30:49,784 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:30:49,788 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:30:49,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:49,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:30:47" (1/3) ... [2021-10-13 00:30:49,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fddd2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:49, skipping insertion in model container [2021-10-13 00:30:49,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:49,791 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:30:48" (2/3) ... [2021-10-13 00:30:49,791 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fddd2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:30:49, skipping insertion in model container [2021-10-13 00:30:49,791 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:30:49,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:49" (3/3) ... [2021-10-13 00:30:49,793 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-10-13 00:30:49,858 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:30:49,858 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:30:49,858 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:30:49,858 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:30:49,859 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:30:49,859 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:30:49,859 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:30:49,859 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:30:49,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 00:30:49,915 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-13 00:30:49,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:49,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:49,925 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:49,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:49,925 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:30:49,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 00:30:49,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-13 00:30:49,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:49,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:49,949 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:49,949 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:49,954 INFO L791 eck$LassoCheckResult]: Stem: 63#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 48#L-1true havoc main_#res;havoc main_#t~ret54, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4; 69#L738true 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; 21#L746true main_#t~ret54 := valid_product_#res;main_~tmp~4 := main_#t~ret54;havoc main_#t~ret54; 29#L634true assume 0 != main_~tmp~4; 19#L606true ~methAndRunningLastTime~0 := 0; 45#L417true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L428-1true [2021-10-13 00:30:49,955 INFO L793 eck$LassoCheckResult]: Loop: 12#L428-1true assume !false; 26#L660true assume test_~splverifierCounter~0 < 4; 50#L661true test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 52#L669true assume !(0 != test_~tmp~5); 41#L669-1true test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 35#L679true assume !(0 != test_~tmp___0~1); 20#L679-1true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 14#L689true assume 0 != test_~tmp___2~0; 47#L695-1true assume !(0 != ~pumpRunning~0); 67#L760true assume !(0 != ~systemActive~0); 49#L767true havoc __utac_acc__Specification2_spec__2_#t~ret42, __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 54#L499true __utac_acc__Specification2_spec__2_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret42;havoc __utac_acc__Specification2_spec__2_#t~ret42; 51#L428true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 12#L428-1true [2021-10-13 00:30:49,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:30:49,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:49,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992452777] [2021-10-13 00:30:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:49,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:50,296 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:50,501 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:50,516 INFO L82 PathProgramCache]: Analyzing trace with hash 11187987, now seen corresponding path program 1 times [2021-10-13 00:30:50,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:50,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883050737] [2021-10-13 00:30:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:50,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:50,531 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:50,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:50,553 INFO L82 PathProgramCache]: Analyzing trace with hash 844484493, now seen corresponding path program 1 times [2021-10-13 00:30:50,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:50,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302306465] [2021-10-13 00:30:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:50,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:30:50,738 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 00:30:50,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:30:50,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302306465] [2021-10-13 00:30:50,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302306465] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:30:50,740 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:30:50,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:30:50,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842953016] [2021-10-13 00:30:50,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:30:50,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:30:50,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:30:50,966 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 00:30:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:30:51,256 INFO L93 Difference]: Finished difference Result 202 states and 283 transitions. [2021-10-13 00:30:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:30:51,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 283 transitions. [2021-10-13 00:30:51,267 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 127 [2021-10-13 00:30:51,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 181 states and 262 transitions. [2021-10-13 00:30:51,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2021-10-13 00:30:51,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2021-10-13 00:30:51,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 262 transitions. [2021-10-13 00:30:51,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:30:51,282 INFO L681 BuchiCegarLoop]: Abstraction has 181 states and 262 transitions. [2021-10-13 00:30:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 262 transitions. [2021-10-13 00:30:51,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 115. [2021-10-13 00:30:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.4434782608695653) internal successors, (166), 114 states have internal predecessors, (166), 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 00:30:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 166 transitions. [2021-10-13 00:30:51,344 INFO L704 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2021-10-13 00:30:51,345 INFO L587 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2021-10-13 00:30:51,345 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:30:51,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 166 transitions. [2021-10-13 00:30:51,356 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2021-10-13 00:30:51,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:30:51,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:30:51,358 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:51,358 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:30:51,358 INFO L791 eck$LassoCheckResult]: Stem: 368#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 357#L-1 havoc main_#res;havoc main_#t~ret54, main_~retValue_acc~6, main_~tmp~4;havoc main_~retValue_acc~6;havoc main_~tmp~4; 358#L738 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; 331#L746 main_#t~ret54 := valid_product_#res;main_~tmp~4 := main_#t~ret54;havoc main_#t~ret54; 332#L634 assume 0 != main_~tmp~4; 328#L606 ~methAndRunningLastTime~0 := 0; 329#L417 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 306#L428-1 [2021-10-13 00:30:51,359 INFO L793 eck$LassoCheckResult]: Loop: 306#L428-1 assume !false; 315#L660 assume test_~splverifierCounter~0 < 4; 339#L661 test_~tmp~5 := test_#t~nondet55;havoc test_#t~nondet55; 360#L669 assume !(0 != test_~tmp~5); 355#L669-1 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 351#L679 assume !(0 != test_~tmp___0~1); 330#L679-1 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 318#L689 assume 0 != test_~tmp___2~0; 320#L695-1 assume !(0 != ~pumpRunning~0); 325#L760 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 321#L792 assume !(0 != ~pumpRunning~0); 323#L767 havoc __utac_acc__Specification2_spec__2_#t~ret42, __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_~tmp~3, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~3;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 359#L499 __utac_acc__Specification2_spec__2_#t~ret42 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~3 := __utac_acc__Specification2_spec__2_#t~ret42;havoc __utac_acc__Specification2_spec__2_#t~ret42; 361#L428 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3);~methAndRunningLastTime~0 := 0; 306#L428-1 [2021-10-13 00:30:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:51,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:30:51,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:51,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740996226] [2021-10-13 00:30:51,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:51,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,453 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,518 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:51,519 INFO L82 PathProgramCache]: Analyzing trace with hash 319834497, now seen corresponding path program 1 times [2021-10-13 00:30:51,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:51,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066163928] [2021-10-13 00:30:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:51,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,525 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:30:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:30:51,534 INFO L82 PathProgramCache]: Analyzing trace with hash 382222407, now seen corresponding path program 1 times [2021-10-13 00:30:51,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:30:51,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803446272] [2021-10-13 00:30:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:30:51,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:30:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,581 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:30:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:30:51,662 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:01,055 WARN L207 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:33:10,680 WARN L207 SmtUtils]: Spent 33.03 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:33:10,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:33:10 BoogieIcfgContainer [2021-10-13 00:33:10,822 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:33:10,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:33:10,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:33:10,823 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:33:10,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:30:49" (3/4) ... [2021-10-13 00:33:10,827 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:33:10,884 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:33:10,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:33:10,886 INFO L168 Benchmark]: Toolchain (without parser) took 143077.15 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 89.1 MB in the beginning and 67.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 61.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,886 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 127.9 MB. Free memory was 106.3 MB in the beginning and 106.2 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:10,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.14 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 94.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.43 ms. Allocated memory is still 127.9 MB. Free memory was 94.8 MB in the beginning and 91.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,888 INFO L168 Benchmark]: Boogie Preprocessor took 57.70 ms. Allocated memory is still 127.9 MB. Free memory was 91.6 MB in the beginning and 89.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,889 INFO L168 Benchmark]: RCFGBuilder took 1191.33 ms. Allocated memory is still 127.9 MB. Free memory was 89.4 MB in the beginning and 102.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,890 INFO L168 Benchmark]: BuchiAutomizer took 141038.52 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 102.0 MB in the beginning and 69.2 MB in the end (delta: 32.7 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,890 INFO L168 Benchmark]: Witness Printer took 61.32 ms. Allocated memory is still 167.8 MB. Free memory was 69.2 MB in the beginning and 67.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:10,894 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 127.9 MB. Free memory was 106.3 MB in the beginning and 106.2 MB in the end (delta: 75.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 620.14 ms. Allocated memory is still 127.9 MB. Free memory was 88.9 MB in the beginning and 94.8 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.43 ms. Allocated memory is still 127.9 MB. Free memory was 94.8 MB in the beginning and 91.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.70 ms. Allocated memory is still 127.9 MB. Free memory was 91.6 MB in the beginning and 89.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1191.33 ms. Allocated memory is still 127.9 MB. Free memory was 89.4 MB in the beginning and 102.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 45.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 141038.52 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 102.0 MB in the beginning and 69.2 MB in the end (delta: 32.7 MB). Peak memory consumption was 105.2 MB. Max. memory is 16.1 GB. * Witness Printer took 61.32 ms. Allocated memory is still 167.8 MB. Free memory was 69.2 MB in the beginning and 67.1 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 6 locations. The remainder module has 115 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 140.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 140.4s. Construction of modules took 0.1s. 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 45.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 115 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 397 SDslu, 566 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 193.0ms 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: 659]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=18716} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=18716, NULL=0, retValue_acc=0, NULL=18717, NULL=18726, NULL=18723, methaneLevelCritical=0, NULL=18730, NULL=18718, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40d58f09=0, NULL=18727, tmp___1=0, NULL=18732, NULL=0, NULL=0, NULL=18742, NULL=18738, NULL=18728, cleanupTimeShifts=4, NULL=18731, NULL=18725, NULL=18721, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a282c5=0, NULL=18735, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a85e9cf=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=18729, NULL=0, NULL=18743, \result=1, head=0, pumpRunning=0, NULL=18722, \result=0, NULL=18739, tmp=1, NULL=0, NULL=18737, NULL=0, NULL=0, NULL=0, NULL=0, NULL=18740, tmp___0=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=18741, NULL=0, tmp___2=52, NULL=18736, tmp___0=0, NULL=18744, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=18734, NULL=18719, NULL=18720, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b193666=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76b928a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28119ab6=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34b88ff5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24f17849=0, head=0, NULL=0, NULL=0, tmp=0, NULL=18733, NULL=0, NULL=0, tmp=0, NULL=18724} - 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; [L411] int methAndRunningLastTime ; [L456] int waterLevel = 1; [L457] int methaneLevelCritical = 0; [L545] int cleanupTimeShifts = 4; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L625] int retValue_acc ; [L626] int tmp ; [L742] int retValue_acc ; [L745] retValue_acc = 1 [L746] return (retValue_acc); [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L416] methAndRunningLastTime = 0 [L650] int splverifierCounter ; [L651] int tmp ; [L652] int tmp___0 ; [L653] int tmp___1 ; [L654] int tmp___2 ; [L657] splverifierCounter = 0 Loop: [L659] COND TRUE 1 [L661] COND TRUE splverifierCounter < 4 [L667] tmp = __VERIFIER_nondet_int() [L669] COND FALSE !(\read(tmp)) [L677] tmp___0 = __VERIFIER_nondet_int() [L679] COND FALSE !(\read(tmp___0)) [L687] tmp___2 = __VERIFIER_nondet_int() [L689] COND TRUE \read(tmp___2) [L760] COND FALSE !(\read(pumpRunning)) [L767] COND TRUE \read(systemActive) [L789] int tmp ; [L792] COND FALSE !(\read(pumpRunning)) [L421] int tmp ; [L422] int tmp___0 ; [L495] int retValue_acc ; [L498] retValue_acc = methaneLevelCritical [L499] return (retValue_acc); [L426] tmp = isMethaneLevelCritical() [L428] COND FALSE !(\read(tmp)) [L444] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:33:10,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7685ab5-1351-4be4-9a32-a52da7f384b9/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...