./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/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 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:17:17,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:17:17,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:17:17,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:17:17,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:17:17,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:17:17,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:17:17,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:17:17,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:17:17,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:17:17,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:17:17,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:17:17,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:17:17,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:17:17,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:17:17,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:17:17,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:17:17,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:17:17,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:17:17,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:17:17,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:17:17,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:17:17,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:17:17,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:17:18,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:17:18,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:17:18,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:17:18,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:17:18,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:17:18,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:17:18,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:17:18,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:17:18,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:17:18,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:17:18,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:17:18,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:17:18,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:17:18,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:17:18,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:17:18,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:17:18,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:17:18,017 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:17:18,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:17:18,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:17:18,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:17:18,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:17:18,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:17:18,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:17:18,071 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:17:18,072 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:17:18,072 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:17:18,072 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:17:18,073 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:17:18,073 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:17:18,074 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:17:18,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:17:18,074 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:17:18,074 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:17:18,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:17:18,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:17:18,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:17:18,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:17:18,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:17:18,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:17:18,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:17:18,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:17:18,076 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:17:18,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:17:18,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:17:18,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:17:18,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:17:18,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:17:18,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:17:18,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:17:18,081 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:17:18,081 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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c93d0a05e6de6b6d31b5e9d4dbf99554dda0d06 [2021-10-13 01:17:18,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:17:18,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:17:18,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:17:18,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:17:18,418 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:17:18,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-13 01:17:18,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/data/100fd8020/c03e8b5dcb9748d798796dcf95102f74/FLAG86ca9ad18 [2021-10-13 01:17:19,217 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:17:19,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-13 01:17:19,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/data/100fd8020/c03e8b5dcb9748d798796dcf95102f74/FLAG86ca9ad18 [2021-10-13 01:17:19,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/data/100fd8020/c03e8b5dcb9748d798796dcf95102f74 [2021-10-13 01:17:19,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:17:19,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:17:19,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:19,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:17:19,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:17:19,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482f13c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19, skipping insertion in model container [2021-10-13 01:17:19,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:17:19,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:17:19,673 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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[16823,16836] [2021-10-13 01:17:19,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:19,685 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:17:19,784 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_e4713dab-53fe-401d-b2c2-a6a6145c4b58/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[16823,16836] [2021-10-13 01:17:19,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:19,805 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:17:19,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19 WrapperNode [2021-10-13 01:17:19,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:19,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:19,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:17:19,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:17:19,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:19,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:17:19,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:17:19,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:17:19,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:17:19,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:17:19,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:17:19,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:17:19,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (1/1) ... [2021-10-13 01:17:19,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:17:19,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:17:19,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:17:19,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:17:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:17:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:17:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:17:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:17:21,075 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:17:21,076 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-10-13 01:17:21,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:21 BoogieIcfgContainer [2021-10-13 01:17:21,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:17:21,080 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:17:21,080 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:17:21,087 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:17:21,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:17:21,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:17:19" (1/3) ... [2021-10-13 01:17:21,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23e37367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:17:21, skipping insertion in model container [2021-10-13 01:17:21,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:17:21,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:19" (2/3) ... [2021-10-13 01:17:21,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23e37367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:17:21, skipping insertion in model container [2021-10-13 01:17:21,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:17:21,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:21" (3/3) ... [2021-10-13 01:17:21,093 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2021-10-13 01:17:21,156 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:17:21,156 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:17:21,156 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:17:21,156 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:17:21,157 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:17:21,157 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:17:21,157 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:17:21,157 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:17:21,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-13 01:17:21,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:17:21,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:17:21,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:21,234 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:21,234 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:17:21,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-13 01:17:21,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:17:21,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:17:21,249 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:21,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:21,261 INFO L791 eck$LassoCheckResult]: Stem: 53#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);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(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 55#L254true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 59#L262true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 40#L218true assume 0 != main_~tmp~0; 19#L189true ~switchedOnBeforeTS~0 := 0; 42#L641true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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; 15#L662-1true [2021-10-13 01:17:21,262 INFO L793 eck$LassoCheckResult]: Loop: 15#L662-1true assume !false; 62#L695true assume test_~splverifierCounter~0 < 4; 47#L696true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 57#L704true assume !(0 != test_~tmp~5); 65#L704-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 12#L714true assume !(0 != test_~tmp___0~1); 23#L714-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 20#L724true assume 0 != test_~tmp___2~0; 52#L730-2true havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 26#L820true __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 50#L651true assume !(0 != ~pumpRunning~0); 25#L761true assume 0 != ~systemActive~0; 9#L768true havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 22#L123true __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 48#L662true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 15#L662-1true [2021-10-13 01:17:21,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:21,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 01:17:21,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:21,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414185587] [2021-10-13 01:17:21,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:21,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:21,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:17:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:21,757 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:17:21,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:21,778 INFO L82 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2021-10-13 01:17:21,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:21,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099309616] [2021-10-13 01:17:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:21,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:21,791 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:17:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:21,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:17:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:21,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2021-10-13 01:17:21,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:21,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500620046] [2021-10-13 01:17:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:21,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:21,984 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 01:17:21,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:21,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500620046] [2021-10-13 01:17:21,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500620046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:21,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:21,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:17:21,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843353364] [2021-10-13 01:17:22,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:22,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:17:22,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:22,171 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:22,317 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-13 01:17:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:17:22,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-13 01:17:22,325 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-13 01:17:22,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-13 01:17:22,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-13 01:17:22,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-13 01:17:22,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-13 01:17:22,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:17:22,336 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-13 01:17:22,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-13 01:17:22,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-13 01:17:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-13 01:17:22,374 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-13 01:17:22,374 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-13 01:17:22,374 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:17:22,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-13 01:17:22,377 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-13 01:17:22,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:17:22,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:17:22,378 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:22,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:17:22,378 INFO L791 eck$LassoCheckResult]: Stem: 308#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);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(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);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(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 294#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 295#L254 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 310#L262 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 296#L218 assume 0 != main_~tmp~0; 276#L189 ~switchedOnBeforeTS~0 := 0; 277#L641 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, 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; 269#L662-1 [2021-10-13 01:17:22,379 INFO L793 eck$LassoCheckResult]: Loop: 269#L662-1 assume !false; 271#L695 assume test_~splverifierCounter~0 < 4; 301#L696 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 302#L704 assume !(0 != test_~tmp~5); 313#L704-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 262#L714 assume !(0 != test_~tmp___0~1); 264#L714-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 278#L724 assume 0 != test_~tmp___2~0; 280#L730-2 havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 285#L820 __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 286#L651 assume !(0 != ~pumpRunning~0); 284#L761 assume 0 != ~systemActive~0; 256#L768 havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 257#L123 __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 281#L662 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 305#L820-1 __utac_acc__Specification5_spec__3_#t~ret56 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret56;havoc __utac_acc__Specification5_spec__3_#t~ret56; 268#L666 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 269#L662-1 [2021-10-13 01:17:22,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:22,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 01:17:22,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:22,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991596972] [2021-10-13 01:17:22,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:22,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,435 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:17:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:17:22,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:22,503 INFO L82 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2021-10-13 01:17:22,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:22,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344060366] [2021-10-13 01:17:22,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:22,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,510 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:17:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:17:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:22,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2021-10-13 01:17:22,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:22,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651770110] [2021-10-13 01:17:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:22,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,567 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:17:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:17:22,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:18:19,122 WARN L207 SmtUtils]: Spent 56.22 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 01:19:18,933 WARN L207 SmtUtils]: Spent 29.05 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 01:19:19,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:19:19 BoogieIcfgContainer [2021-10-13 01:19:19,070 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:19:19,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:19:19,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:19:19,071 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:19:19,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:21" (3/4) ... [2021-10-13 01:19:19,074 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:19:19,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:19:19,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:19:19,129 INFO L168 Benchmark]: Toolchain (without parser) took 119856.81 ms. Allocated memory was 92.3 MB in the beginning and 155.2 MB in the end (delta: 62.9 MB). Free memory was 49.3 MB in the beginning and 62.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,129 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:19:19,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.98 ms. Allocated memory is still 92.3 MB. Free memory was 49.1 MB in the beginning and 57.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.40 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,131 INFO L168 Benchmark]: Boogie Preprocessor took 36.40 ms. Allocated memory is still 92.3 MB. Free memory was 54.2 MB in the beginning and 52.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,132 INFO L168 Benchmark]: RCFGBuilder took 1142.91 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 52.3 MB in the beginning and 71.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,133 INFO L168 Benchmark]: BuchiAutomizer took 117990.26 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 71.2 MB in the beginning and 64.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:19:19,133 INFO L168 Benchmark]: Witness Printer took 57.02 ms. Allocated memory is still 155.2 MB. Free memory was 64.8 MB in the beginning and 62.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:19:19,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 531.98 ms. Allocated memory is still 92.3 MB. Free memory was 49.1 MB in the beginning and 57.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.40 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 54.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.40 ms. Allocated memory is still 92.3 MB. Free memory was 54.2 MB in the beginning and 52.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1142.91 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 52.3 MB in the beginning and 71.9 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 117990.26 ms. Allocated memory was 111.1 MB in the beginning and 155.2 MB in the end (delta: 44.0 MB). Free memory was 71.2 MB in the beginning and 64.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 16.1 GB. * Witness Printer took 57.02 ms. Allocated memory is still 155.2 MB. Free memory was 64.8 MB in the beginning and 62.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 117.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 117.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 22.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.2ms 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: 694]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11704} State at position 1 is {NULL=0, NULL=0, NULL=11710, NULL=0, NULL=0, retValue_acc=0, NULL=11704, NULL=11729, NULL=0, NULL=11724, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34e356b4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d5b20be=0, NULL=11732, NULL=11706, NULL=0, NULL=11707, methaneLevelCritical=0, NULL=11705, NULL=11713, NULL=0, NULL=0, tmp=0, NULL=11717, tmp=1, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=11708, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=11719, NULL=11721, NULL=11709, \result=0, NULL=0, systemActive=1, waterLevel=1, NULL=11716, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11712, NULL=0, NULL=11731, NULL=0, NULL=11711, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=11725, \result=0, NULL=0, NULL=0, NULL=11722, retValue_acc=1, NULL=11720, NULL=0, NULL=0, NULL=11733, NULL=0, NULL=11718, tmp___2=56, NULL=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ebef0b2=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b5bf268=0, NULL=11727, NULL=11728, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50c521be=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@520af254=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@555f2093=0, head=0, NULL=0, NULL=0, NULL=11726, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54660dbb=0, NULL=11714, retValue_acc=0, NULL=0, NULL=11723, NULL=11730} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L128] int cleanupTimeShifts = 4; [L436] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L635] int switchedOnBeforeTS ; [L751] int pumpRunning = 0; [L752] int systemActive = 1; [L209] int retValue_acc ; [L210] int tmp ; [L258] int retValue_acc ; [L261] retValue_acc = 1 [L262] return (retValue_acc); [L216] tmp = valid_product() [L218] COND TRUE \read(tmp) [L640] switchedOnBeforeTS = 0 [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 Loop: [L694] COND TRUE 1 [L696] COND TRUE splverifierCounter < 4 [L702] tmp = __VERIFIER_nondet_int() [L704] COND FALSE !(\read(tmp)) [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND TRUE \read(tmp___2) [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L649] switchedOnBeforeTS = isPumpRunning() [L761] COND FALSE !(\read(pumpRunning)) [L768] COND TRUE \read(systemActive) [L655] int tmp ; [L656] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L660] tmp = getWaterLevel() [L662] COND TRUE tmp != 2 [L816] int retValue_acc ; [L819] retValue_acc = pumpRunning [L820] return (retValue_acc); [L664] tmp___0 = isPumpRunning() [L666] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:19:19,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4713dab-53fe-401d-b2c2-a6a6145c4b58/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...