./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.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_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/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_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/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_59f15226-a098-4ad8-acbe-e744ae60c52f/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 635b114f26ff3d829820e505a5b45bee227ecfd2 ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:03:34,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:03:34,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:03:34,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:03:34,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:03:34,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:03:34,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:03:34,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:03:34,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:03:34,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:03:34,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:03:34,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:03:34,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:03:34,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:03:34,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:03:34,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:03:34,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:03:34,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:03:34,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:03:34,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:03:34,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:03:34,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:03:34,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:03:34,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:03:34,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:03:34,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:03:34,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:03:34,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:03:34,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:03:34,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:03:34,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:03:34,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:03:34,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:03:34,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:03:34,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:03:34,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:03:34,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:03:34,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:03:34,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:03:34,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:03:34,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:03:34,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:03:34,645 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:03:34,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:03:34,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:03:34,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:03:34,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:03:34,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:03:34,649 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:03:34,649 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:03:34,650 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:03:34,650 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:03:34,651 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:03:34,652 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:03:34,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:03:34,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:03:34,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:03:34,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:03:34,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:03:34,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:03:34,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:03:34,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:03:34,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:03:34,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:03:34,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:03:34,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:03:34,656 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:03:34,656 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:03:34,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:03:34,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:03:34,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:03:34,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:03:34,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:03:34,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:03:34,662 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:03:34,662 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_59f15226-a098-4ad8-acbe-e744ae60c52f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b114f26ff3d829820e505a5b45bee227ecfd2 [2021-10-13 01:03:34,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:03:35,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:03:35,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:03:35,015 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:03:35,016 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:03:35,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-13 01:03:35,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/data/72e6f7dc4/7d17501cdd6b4c4e9787b68af73218b2/FLAG43636a71d [2021-10-13 01:03:35,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:03:35,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2021-10-13 01:03:35,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/data/72e6f7dc4/7d17501cdd6b4c4e9787b68af73218b2/FLAG43636a71d [2021-10-13 01:03:36,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/data/72e6f7dc4/7d17501cdd6b4c4e9787b68af73218b2 [2021-10-13 01:03:36,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:03:36,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:03:36,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:36,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:03:36,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:03:36,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecfb35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36, skipping insertion in model container [2021-10-13 01:03:36,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:03:36,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:03:36,371 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_59f15226-a098-4ad8-acbe-e744ae60c52f/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[4740,4753] [2021-10-13 01:03:36,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:36,477 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:03:36,506 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_59f15226-a098-4ad8-acbe-e744ae60c52f/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c[4740,4753] [2021-10-13 01:03:36,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:36,586 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:03:36,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36 WrapperNode [2021-10-13 01:03:36,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:36,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:36,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:03:36,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:03:36,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:36,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:03:36,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:03:36,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:03:36,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:03:36,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:03:36,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:03:36,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:03:36,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (1/1) ... [2021-10-13 01:03:36,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:03:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:03:36,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:03:36,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:03:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:03:36,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:03:36,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:03:36,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:03:37,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:03:37,697 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-13 01:03:37,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:37 BoogieIcfgContainer [2021-10-13 01:03:37,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:03:37,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:03:37,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:03:37,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:03:37,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:37,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:03:36" (1/3) ... [2021-10-13 01:03:37,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fafa5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:03:37, skipping insertion in model container [2021-10-13 01:03:37,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:37,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:36" (2/3) ... [2021-10-13 01:03:37,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fafa5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:03:37, skipping insertion in model container [2021-10-13 01:03:37,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:37,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:37" (3/3) ... [2021-10-13 01:03:37,709 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2021-10-13 01:03:37,754 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:03:37,754 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:03:37,754 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:03:37,755 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:03:37,755 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:03:37,755 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:03:37,755 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:03:37,755 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:03:37,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:03:37,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 01:03:37,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:37,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:37,808 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:37,808 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:37,809 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:03:37,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:03:37,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 01:03:37,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:37,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:37,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:37,818 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:37,823 INFO L791 eck$LassoCheckResult]: Stem: 95#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 39#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 80#L698true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 91#L706true main_#t~ret67 := valid_product_#res;main_~tmp~7 := main_#t~ret67;havoc main_#t~ret67; 40#L793true assume 0 != main_~tmp~7; 46#L770true havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L816-1true [2021-10-13 01:03:37,824 INFO L793 eck$LassoCheckResult]: Loop: 47#L816-1true assume !false; 11#L244true assume test_~splverifierCounter~0 < 4; 27#L245true test_~tmp~3 := test_#t~nondet27;havoc test_#t~nondet27; 71#L253true assume !(0 != test_~tmp~3); 20#L253-1true test_~tmp___0~1 := test_#t~nondet28;havoc test_#t~nondet28; 97#L263true assume !(0 != test_~tmp___0~1); 102#L263-1true test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 56#L273true assume 0 != test_~tmp___2~0; 31#L279-2true assume !(0 != ~pumpRunning~0); 86#L59true assume !(0 != ~systemActive~0); 36#L66true havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 54#L909true __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 61#L816true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 47#L816-1true [2021-10-13 01:03:37,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:37,839 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 01:03:37,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:37,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050370603] [2021-10-13 01:03:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:37,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:38,138 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:38,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:38,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298494, now seen corresponding path program 1 times [2021-10-13 01:03:38,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:38,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907938937] [2021-10-13 01:03:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:38,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:38,396 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:38,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:38,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:38,419 INFO L82 PathProgramCache]: Analyzing trace with hash 33980444, now seen corresponding path program 1 times [2021-10-13 01:03:38,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:38,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028213726] [2021-10-13 01:03:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:38,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:03:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:03:38,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:03:38,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028213726] [2021-10-13 01:03:38,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028213726] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:03:38,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:03:38,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:03:38,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648509095] [2021-10-13 01:03:38,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:03:38,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:03:38,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:03:38,785 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 101 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:03:38,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:03:38,953 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2021-10-13 01:03:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:03:38,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 142 transitions. [2021-10-13 01:03:38,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-13 01:03:38,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2021-10-13 01:03:38,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2021-10-13 01:03:38,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2021-10-13 01:03:38,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2021-10-13 01:03:38,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:03:38,968 INFO L681 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-13 01:03:38,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2021-10-13 01:03:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-13 01:03:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.4210526315789473) internal successors, (135), 94 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:03:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2021-10-13 01:03:39,001 INFO L704 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-13 01:03:39,001 INFO L587 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2021-10-13 01:03:39,001 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:03:39,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2021-10-13 01:03:39,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2021-10-13 01:03:39,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:39,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:39,004 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:39,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:39,005 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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 306#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 294#L698 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 295#L706 main_#t~ret67 := valid_product_#res;main_~tmp~7 := main_#t~ret67;havoc main_#t~ret67; 307#L793 assume 0 != main_~tmp~7; 308#L770 havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 230#L816-1 [2021-10-13 01:03:39,005 INFO L793 eck$LassoCheckResult]: Loop: 230#L816-1 assume !false; 256#L244 assume test_~splverifierCounter~0 < 4; 257#L245 test_~tmp~3 := test_#t~nondet27;havoc test_#t~nondet27; 272#L253 assume !(0 != test_~tmp~3); 268#L253-1 test_~tmp___0~1 := test_#t~nondet28;havoc test_#t~nondet28; 277#L263 assume !(0 != test_~tmp___0~1); 310#L263-1 test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 314#L273 assume 0 != test_~tmp___2~0; 298#L279-2 assume !(0 != ~pumpRunning~0); 299#L59 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 242#L117 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret7, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 244#L91-1 assume !(0 != ~pumpRunning~0); 276#L66 havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 304#L909 __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 229#L816 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 230#L816-1 [2021-10-13 01:03:39,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:39,005 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-13 01:03:39,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:39,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527426916] [2021-10-13 01:03:39,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:39,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,062 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,184 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:39,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522604, now seen corresponding path program 1 times [2021-10-13 01:03:39,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:39,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041960514] [2021-10-13 01:03:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:39,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:39,220 INFO L82 PathProgramCache]: Analyzing trace with hash 441062446, now seen corresponding path program 1 times [2021-10-13 01:03:39,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:39,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127603093] [2021-10-13 01:03:39,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:39,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,299 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:39,396 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:04:40,842 WARN L207 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 01:05:54,190 WARN L207 SmtUtils]: Spent 36.18 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 01:05:54,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:05:54 BoogieIcfgContainer [2021-10-13 01:05:54,337 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:05:54,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:05:54,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:05:54,339 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:05:54,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:37" (3/4) ... [2021-10-13 01:05:54,342 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:05:54,415 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:05:54,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:05:54,417 INFO L168 Benchmark]: Toolchain (without parser) took 138397.58 ms. Allocated memory was 102.8 MB in the beginning and 167.8 MB in the end (delta: 65.0 MB). Free memory was 67.8 MB in the beginning and 135.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 95.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,418 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:05:54,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.00 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 69.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.38 ms. Allocated memory is still 102.8 MB. Free memory was 69.3 MB in the beginning and 65.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,420 INFO L168 Benchmark]: Boogie Preprocessor took 46.59 ms. Allocated memory is still 102.8 MB. Free memory was 65.7 MB in the beginning and 63.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,421 INFO L168 Benchmark]: RCFGBuilder took 970.34 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 63.3 MB in the beginning and 86.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,422 INFO L168 Benchmark]: BuchiAutomizer took 136637.01 ms. Allocated memory was 138.4 MB in the beginning and 167.8 MB in the end (delta: 29.4 MB). Free memory was 86.1 MB in the beginning and 40.1 MB in the end (delta: 45.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,422 INFO L168 Benchmark]: Witness Printer took 77.39 ms. Allocated memory is still 167.8 MB. Free memory was 40.1 MB in the beginning and 135.0 MB in the end (delta: -94.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:05:54,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.00 ms. Allocated memory is still 102.8 MB. Free memory was 67.6 MB in the beginning and 69.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.38 ms. Allocated memory is still 102.8 MB. Free memory was 69.3 MB in the beginning and 65.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.59 ms. Allocated memory is still 102.8 MB. Free memory was 65.7 MB in the beginning and 63.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 970.34 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 63.3 MB in the beginning and 86.7 MB in the end (delta: -23.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 136637.01 ms. Allocated memory was 138.4 MB in the beginning and 167.8 MB in the end (delta: 29.4 MB). Free memory was 86.1 MB in the beginning and 40.1 MB in the end (delta: 45.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. * Witness Printer took 77.39 ms. Allocated memory is still 167.8 MB. Free memory was 40.1 MB in the beginning and 135.0 MB in the end (delta: -94.9 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 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 136.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 136.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 19.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 137 SDtfs, 547 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 101.1ms 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: 243]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=17007} State at position 1 is {NULL=17017, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=17007, NULL=17033, NULL=0, NULL=0, NULL=17029, retValue_acc=0, NULL=17032, tmp=0, NULL=17014, methaneLevelCritical=0, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39a89df6=0, NULL=17010, NULL=0, NULL=0, cleanupTimeShifts=4, NULL=17018, NULL=17011, tmp___0=0, NULL=17021, NULL=17012, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=17028, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39306e55=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17025, NULL=0, NULL=0, NULL=17015, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d6d9622=0, \result=1, head=0, pumpRunning=0, NULL=17009, \result=0, NULL=17020, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7889c67=61, NULL=17008, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31492598=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d4e8c30=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@214e7931=0, NULL=17031, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=17030, NULL=17035, NULL=0, NULL=17027, tmp=1, tmp___2=61, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=17034, NULL=17016, NULL=17023, tmp=0, head=0, NULL=17019, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cd8a9ae=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7113d4ac=0, NULL=0, NULL=17026, NULL=17013, NULL=17022, NULL=17024} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L51] int pumpRunning = 0; [L52] int systemActive = 1; [L476] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L711] int cleanupTimeShifts = 4; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L784] int retValue_acc ; [L785] int tmp ; [L702] int retValue_acc ; [L705] retValue_acc = 1 [L706] return (retValue_acc); [L791] tmp = valid_product() [L793] COND TRUE \read(tmp) [L234] int splverifierCounter ; [L235] int tmp ; [L236] int tmp___0 ; [L237] int tmp___1 ; [L238] int tmp___2 ; [L241] splverifierCounter = 0 Loop: [L243] COND TRUE 1 [L245] COND TRUE splverifierCounter < 4 [L251] tmp = __VERIFIER_nondet_int() [L253] COND FALSE !(\read(tmp)) [L261] tmp___0 = __VERIFIER_nondet_int() [L263] COND FALSE !(\read(tmp___0)) [L271] tmp___2 = __VERIFIER_nondet_int() [L273] COND TRUE \read(tmp___2) [L59] COND FALSE !(\read(pumpRunning)) [L66] COND TRUE \read(systemActive) [L114] int tmp ; [L117] COND FALSE !(\read(pumpRunning)) [L88] int tmp ; [L91] COND FALSE !(\read(pumpRunning)) [L809] int tmp ; [L810] int tmp___0 ; [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L814] tmp = getWaterLevel() [L816] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:05:54,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f15226-a098-4ad8-acbe-e744ae60c52f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...