./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/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 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a .................................................................................................................................................................................................................................................................................................................................................................................... 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 01:01:45,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:01:45,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:01:45,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:01:45,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:01:45,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:01:45,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:01:45,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:01:45,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:01:45,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:01:45,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:01:45,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:01:45,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:01:45,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:01:45,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:01:45,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:01:45,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:01:45,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:01:45,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:01:45,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:01:45,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:01:45,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:01:45,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:01:45,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:01:45,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:01:45,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:01:45,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:01:45,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:01:45,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:01:45,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:01:45,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:01:45,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:01:45,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:01:45,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:01:45,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:01:45,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:01:45,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:01:45,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:01:45,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:01:45,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:01:45,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:01:45,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:01:46,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:01:46,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:01:46,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:01:46,028 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:01:46,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:01:46,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:01:46,030 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:01:46,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:01:46,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:01:46,031 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:01:46,031 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:01:46,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:01:46,031 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:01:46,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:01:46,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:01:46,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:01:46,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:01:46,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:01:46,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:01:46,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:01:46,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:01:46,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:01:46,034 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:01:46,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:01:46,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:01:46,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:01:46,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:01:46,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:01:46,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:01:46,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:01:46,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:01:46,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:01:46,041 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:01:46,041 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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22c7cf4a4cbd4c9d9a1437e76dac75349b25e74a [2021-10-13 01:01:46,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:01:46,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:01:46,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:01:46,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:01:46,358 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:01:46,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-10-13 01:01:46,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/data/28aedaf11/ff1c883f41984edfae209545281b80f2/FLAGf738a12ca [2021-10-13 01:01:47,010 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:01:47,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2021-10-13 01:01:47,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/data/28aedaf11/ff1c883f41984edfae209545281b80f2/FLAGf738a12ca [2021-10-13 01:01:47,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/data/28aedaf11/ff1c883f41984edfae209545281b80f2 [2021-10-13 01:01:47,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:01:47,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:01:47,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:47,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:01:47,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:01:47,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d9d783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47, skipping insertion in model container [2021-10-13 01:01:47,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:01:47,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:01:47,558 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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1281,1294] [2021-10-13 01:01:47,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:47,685 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:01:47,699 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_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1281,1294] [2021-10-13 01:01:47,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:01:47,832 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:01:47,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47 WrapperNode [2021-10-13 01:01:47,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:01:47,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:47,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:01:47,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:01:47,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:01:47,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:01:47,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:01:47,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:01:47,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:47,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:01:48,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:01:48,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:01:48,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:01:48,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (1/1) ... [2021-10-13 01:01:48,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:01:48,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:01:48,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:01:48,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:01:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:01:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:01:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:01:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:01:49,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:01:49,010 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-13 01:01:49,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:49 BoogieIcfgContainer [2021-10-13 01:01:49,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:01:49,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:01:49,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:01:49,017 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:01:49,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:49,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:01:47" (1/3) ... [2021-10-13 01:01:49,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b816d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:01:49, skipping insertion in model container [2021-10-13 01:01:49,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:49,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:01:47" (2/3) ... [2021-10-13 01:01:49,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b816d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:01:49, skipping insertion in model container [2021-10-13 01:01:49,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:01:49,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:49" (3/3) ... [2021-10-13 01:01:49,023 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2021-10-13 01:01:49,069 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:01:49,069 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:01:49,070 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:01:49,070 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:01:49,070 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:01:49,070 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:01:49,070 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:01:49,070 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:01:49,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 01:01:49,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-13 01:01:49,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:49,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:49,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,125 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,125 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:01:49,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 01:01:49,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-13 01:01:49,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:49,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:49,135 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,135 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,140 INFO L791 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 29#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 31#L476true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 98#L484true main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 77#L440true assume 0 != main_~tmp~5; 43#L412true ~methAndRunningLastTime~0 := 0; 59#L585true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 69#L596-1true [2021-10-13 01:01:49,141 INFO L793 eck$LassoCheckResult]: Loop: 69#L596-1true assume !false; 102#L68true assume test_~splverifierCounter~0 < 4; 15#L69true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 58#L77true assume !(0 != test_~tmp~0); 68#L77-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 41#L87true assume !(0 != test_~tmp___0~0); 9#L87-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 55#L97true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 46#L105-1true assume !(0 != ~pumpRunning~0); 78#L142true assume !(0 != ~systemActive~0); 70#L149true havoc __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 71#L533-1true __utac_acc__Specification2_spec__2_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret44;havoc __utac_acc__Specification2_spec__2_#t~ret44; 33#L596true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 69#L596-1true [2021-10-13 01:01:49,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:49,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 01:01:49,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:49,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300232499] [2021-10-13 01:01:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:49,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:49,470 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:49,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:49,639 INFO L82 PathProgramCache]: Analyzing trace with hash 13527572, now seen corresponding path program 1 times [2021-10-13 01:01:49,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:49,639 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523069831] [2021-10-13 01:01:49,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:49,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:01:49,710 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 01:01:49,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:01:49,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523069831] [2021-10-13 01:01:49,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523069831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:01:49,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:01:49,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:01:49,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729730199] [2021-10-13 01:01:49,718 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:01:49,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:01:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:01:49,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:01:49,737 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 01:01:49,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:01:49,805 INFO L93 Difference]: Finished difference Result 209 states and 301 transitions. [2021-10-13 01:01:49,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:01:49,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 301 transitions. [2021-10-13 01:01:49,822 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2021-10-13 01:01:49,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 195 states and 286 transitions. [2021-10-13 01:01:49,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2021-10-13 01:01:49,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2021-10-13 01:01:49,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 286 transitions. [2021-10-13 01:01:49,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:01:49,847 INFO L681 BuchiCegarLoop]: Abstraction has 195 states and 286 transitions. [2021-10-13 01:01:49,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 286 transitions. [2021-10-13 01:01:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2021-10-13 01:01:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.4663212435233162) internal successors, (283), 192 states have internal predecessors, (283), 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 01:01:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 283 transitions. [2021-10-13 01:01:49,914 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-10-13 01:01:49,914 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-10-13 01:01:49,914 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:01:49,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 283 transitions. [2021-10-13 01:01:49,924 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2021-10-13 01:01:49,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:01:49,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:01:49,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:01:49,926 INFO L791 eck$LassoCheckResult]: Stem: 431#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(13);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string37.base, #t~string37.offset, 1);call write~init~int(77, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(101, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(116, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(104, #t~string37.base, 4 + #t~string37.offset, 1);call write~init~int(58, #t~string37.base, 5 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 6 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string39.base, #t~string39.offset, 1);call write~init~int(82, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(73, #t~string39.base, 2 + #t~string39.offset, 1);call write~init~int(84, #t~string39.base, 3 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 4 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string41.base, #t~string41.offset, 1);call write~init~int(75, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 2 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string43.base, #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 1 + #t~string43.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 372#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~3, main_~tmp~5;havoc main_~retValue_acc~3;havoc main_~tmp~5; 373#L476 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 375#L484 main_#t~ret32 := valid_product_#res;main_~tmp~5 := main_#t~ret32;havoc main_#t~ret32; 420#L440 assume 0 != main_~tmp~5; 392#L412 ~methAndRunningLastTime~0 := 0; 393#L585 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 407#L596-1 [2021-10-13 01:01:49,928 INFO L793 eck$LassoCheckResult]: Loop: 407#L596-1 assume !false; 467#L68 assume test_~splverifierCounter~0 < 4; 468#L69 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 502#L77 assume !(0 != test_~tmp~0); 500#L77-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 499#L87 assume !(0 != test_~tmp___0~0); 497#L87-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 496#L97 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 404#L105-1 assume !(0 != ~pumpRunning~0); 493#L142 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 491#L200 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret11, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 476#L174-1 assume !(0 != ~pumpRunning~0); 474#L149 havoc __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_#t~ret45, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 473#L533-1 __utac_acc__Specification2_spec__2_#t~ret44 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret44;havoc __utac_acc__Specification2_spec__2_#t~ret44; 471#L596 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 407#L596-1 [2021-10-13 01:01:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:49,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 01:01:49,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:49,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397368939] [2021-10-13 01:01:49,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:49,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,050 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,181 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:50,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash -2034283738, now seen corresponding path program 1 times [2021-10-13 01:01:50,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:50,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159191586] [2021-10-13 01:01:50,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:50,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,198 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:01:50,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:01:50,221 INFO L82 PathProgramCache]: Analyzing trace with hash -100258528, now seen corresponding path program 1 times [2021-10-13 01:01:50,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:01:50,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220817147] [2021-10-13 01:01:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:01:50,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:01:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,267 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:01:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:01:50,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:02:52,703 WARN L207 SmtUtils]: Spent 1.04 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 01:04:03,537 WARN L207 SmtUtils]: Spent 36.32 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 01:04:03,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:04:03 BoogieIcfgContainer [2021-10-13 01:04:03,771 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:04:03,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:04:03,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:04:03,772 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:04:03,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:01:49" (3/4) ... [2021-10-13 01:04:03,782 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:04:03,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:04:03,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:04:03,868 INFO L168 Benchmark]: Toolchain (without parser) took 136572.70 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 90.8 MB in the beginning and 114.7 MB in the end (delta: -23.9 MB). Peak memory consumption was 487.7 kB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,869 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:04:03,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.93 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 90.8 MB in the end (delta: 8.2 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.06 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 87.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,872 INFO L168 Benchmark]: Boogie Preprocessor took 82.82 ms. Allocated memory is still 125.8 MB. Free memory was 87.2 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,873 INFO L168 Benchmark]: RCFGBuilder took 961.87 ms. Allocated memory is still 125.8 MB. Free memory was 84.5 MB in the beginning and 90.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,875 INFO L168 Benchmark]: BuchiAutomizer took 134757.78 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 89.6 MB in the beginning and 116.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,876 INFO L168 Benchmark]: Witness Printer took 95.29 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 114.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:04:03,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory is still 40.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 536.93 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 90.8 MB in the end (delta: 8.2 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.06 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 87.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.82 ms. Allocated memory is still 125.8 MB. Free memory was 87.2 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 961.87 ms. Allocated memory is still 125.8 MB. Free memory was 84.5 MB in the beginning and 90.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 134757.78 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 89.6 MB in the beginning and 116.8 MB in the end (delta: -27.3 MB). Peak memory consumption was 85.6 MB. Max. memory is 16.1 GB. * Witness Printer took 95.29 ms. Allocated memory is still 151.0 MB. Free memory was 116.8 MB in the beginning and 114.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 134.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 134.3s. 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 50.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 153 SDtfs, 149 SDslu, 140 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.3ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 67]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49abc684=59, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f7803f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ac42649=0, NULL=1, retValue_acc=0, NULL=0, NULL=0, NULL=30226, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5854667e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4129508c=0, NULL=30210, methaneLevelCritical=0, NULL=30229, NULL=0, NULL=0, NULL=30218, NULL=30219, NULL=0, NULL=0, NULL=30225, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=30216, NULL=30224, NULL=30214, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f8204c3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55c7e8bb=0, NULL=0, systemActive=1, waterLevel=1, NULL=30215, NULL=0, retValue_acc=0, tmp___0=0, NULL=30233, \result=1, NULL=30230, head=0, pumpRunning=0, \result=0, NULL=30236, NULL=30212, NULL=0, NULL=0, tmp=1, NULL=0, NULL=30223, retValue_acc=1, NULL=0, NULL=30211, NULL=30220, NULL=0, NULL=30228, NULL=0, NULL=0, NULL=30221, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@224d912f=0, tmp___2=59, NULL=0, NULL=30232, NULL=30235, tmp___0=0, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2029a86e=0, methAndRunningLastTime=0, \result=0, NULL=30231, NULL=30213, NULL=30227, tmp=0, head=0, tmp=0, NULL=0, NULL=0, NULL=30222, NULL=0, NULL=0, NULL=0, NULL=0, NULL=30234, NULL=0, NULL=6191, NULL=30217, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L353] int cleanupTimeShifts = 4; [L490] int waterLevel = 1; [L491] int methaneLevelCritical = 0; [L579] int methAndRunningLastTime ; [L787] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L431] int retValue_acc ; [L432] int tmp ; [L480] int retValue_acc ; [L483] retValue_acc = 1 [L484] return (retValue_acc); [L438] tmp = valid_product() [L440] COND TRUE \read(tmp) [L584] methAndRunningLastTime = 0 [L58] int splverifierCounter ; [L59] int tmp ; [L60] int tmp___0 ; [L61] int tmp___1 ; [L62] int tmp___2 ; [L65] splverifierCounter = 0 Loop: [L67] COND TRUE 1 [L69] COND TRUE splverifierCounter < 4 [L75] tmp = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp)) [L85] tmp___0 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___0)) [L95] tmp___2 = __VERIFIER_nondet_int() [L97] COND TRUE \read(tmp___2) [L348] systemActive = 1 [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L197] int tmp ; [L200] COND FALSE !(\read(pumpRunning)) [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L589] int tmp ; [L590] int tmp___0 ; [L529] int retValue_acc ; [L532] retValue_acc = methaneLevelCritical [L533] return (retValue_acc); [L594] tmp = isMethaneLevelCritical() [L596] COND FALSE !(\read(tmp)) [L612] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:04:03,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741b43f9-1a67-4be6-948a-7b6f7f0d7bfa/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...