./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF --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 a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:38:51,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:38:51,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:38:51,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:38:51,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:38:51,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:38:51,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:38:51,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:38:51,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:38:51,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:38:51,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:38:51,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:38:51,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:38:51,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:38:51,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:38:51,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:38:51,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:38:51,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:38:51,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:38:51,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:38:51,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:38:51,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:38:51,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:38:51,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:38:51,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:38:51,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:38:51,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:38:51,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:38:51,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:38:51,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:38:51,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:38:51,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:38:51,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:38:51,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:38:51,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:38:51,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:38:51,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:38:51,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:38:51,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:38:51,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:38:51,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:38:51,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:38:52,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:38:52,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:38:52,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:38:52,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:38:52,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:38:52,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:38:52,032 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:38:52,032 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:38:52,032 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:38:52,033 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:38:52,034 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:38:52,034 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:38:52,034 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:38:52,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:38:52,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:38:52,035 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:38:52,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:38:52,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:38:52,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:38:52,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:38:52,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:38:52,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:38:52,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:38:52,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:38:52,037 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:38:52,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:38:52,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:38:52,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:38:52,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:38:52,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:38:52,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:38:52,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:38:52,040 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:38:52,040 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_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2021-11-20 06:38:52,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:38:52,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:38:52,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:38:52,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:38:52,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:38:52,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-11-20 06:38:52,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/data/d7aa8d0eb/fcbf7144e49e47b19a6f20e154948854/FLAG145a8d647 [2021-11-20 06:38:52,887 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:38:52,888 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2021-11-20 06:38:52,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/data/d7aa8d0eb/fcbf7144e49e47b19a6f20e154948854/FLAG145a8d647 [2021-11-20 06:38:53,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/data/d7aa8d0eb/fcbf7144e49e47b19a6f20e154948854 [2021-11-20 06:38:53,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:38:53,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:38:53,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:38:53,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:38:53,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:38:53,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630aa307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53, skipping insertion in model container [2021-11-20 06:38:53,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:38:53,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:38:53,528 WARN L230 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_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2021-11-20 06:38:53,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:38:53,661 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:38:53,682 WARN L230 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_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2021-11-20 06:38:53,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:38:53,757 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:38:53,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53 WrapperNode [2021-11-20 06:38:53,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:38:53,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:38:53,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:38:53,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:38:53,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,899 INFO L137 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 57, calls inlined = 99, statements flattened = 751 [2021-11-20 06:38:53,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:38:53,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:38:53,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:38:53,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:38:53,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:53,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:38:54,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:38:54,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:38:54,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:38:54,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (1/1) ... [2021-11-20 06:38:54,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:38:54,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:38:54,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:38:54,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:38:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:38:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:38:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:38:54,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:38:54,173 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:38:54,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:38:54,777 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:38:54,787 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:38:54,787 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:38:54,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:54 BoogieIcfgContainer [2021-11-20 06:38:54,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:38:54,791 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:38:54,791 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:38:54,794 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:38:54,795 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:38:54,795 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:38:53" (1/3) ... [2021-11-20 06:38:54,796 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2393ec6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:38:54, skipping insertion in model container [2021-11-20 06:38:54,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:38:54,797 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:38:53" (2/3) ... [2021-11-20 06:38:54,797 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2393ec6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:38:54, skipping insertion in model container [2021-11-20 06:38:54,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:38:54,798 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:54" (3/3) ... [2021-11-20 06:38:54,799 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2021-11-20 06:38:54,863 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:38:54,863 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:38:54,863 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:38:54,864 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:38:54,864 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:38:54,864 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:38:54,864 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:38:54,864 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:38:54,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.365979381443299) internal successors, (265), 194 states have internal predecessors, (265), 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) [2021-11-20 06:38:54,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2021-11-20 06:38:54,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:38:54,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:38:54,929 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:54,929 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:54,929 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:38:54,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.365979381443299) internal successors, (265), 194 states have internal predecessors, (265), 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) [2021-11-20 06:38:54,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2021-11-20 06:38:54,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:38:54,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:38:54,947 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:54,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:54,952 INFO L791 eck$LassoCheckResult]: Stem: 188#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 119#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 41#L296true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 115#L289true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 172#L304true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 140#L260true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 61#L231true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 183#L994true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 62#L321-2true [2021-11-20 06:38:54,953 INFO L793 eck$LassoCheckResult]: Loop: 62#L321-2true assume !false; 165#L322true assume test_~splverifierCounter~0#1 < 4; 6#L323true test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 100#L331true assume !(0 != test_~tmp~1#1); 87#L331-2true test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 68#L341true assume !(0 != test_~tmp___0~0#1); 171#L341-2true test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 53#L351true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 29#L984true assume { :end_inline_startSystem } true; 26#L359-2true assume { :begin_inline_timeShift } true; 46#L757true assume !(0 != ~pumpRunning~0); 131#L757-2true assume !(0 != ~systemActive~0); 176#L764-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 65#L101-2true __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 39#L1005true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 146#L1005-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 163#L774true assume { :end_inline_timeShift } true; 62#L321-2true [2021-11-20 06:38:54,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:54,960 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-20 06:38:54,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:54,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055822018] [2021-11-20 06:38:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:54,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,100 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:38:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:38:55,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,166 INFO L85 PathProgramCache]: Analyzing trace with hash -153099991, now seen corresponding path program 1 times [2021-11-20 06:38:55,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846114274] [2021-11-20 06:38:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:38:55,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:38:55,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846114274] [2021-11-20 06:38:55,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846114274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:55,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:55,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:38:55,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399618543] [2021-11-20 06:38:55,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:55,277 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:38:55,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:38:55,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:38:55,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:38:55,311 INFO L87 Difference]: Start difference. First operand has 195 states, 194 states have (on average 1.365979381443299) internal successors, (265), 194 states have internal predecessors, (265), 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 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-20 06:38:55,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:55,391 INFO L93 Difference]: Finished difference Result 374 states and 496 transitions. [2021-11-20 06:38:55,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:38:55,397 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 374 states and 496 transitions. [2021-11-20 06:38:55,415 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244 [2021-11-20 06:38:55,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 374 states to 354 states and 475 transitions. [2021-11-20 06:38:55,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 354 [2021-11-20 06:38:55,443 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 354 [2021-11-20 06:38:55,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 354 states and 475 transitions. [2021-11-20 06:38:55,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:38:55,456 INFO L681 BuchiCegarLoop]: Abstraction has 354 states and 475 transitions. [2021-11-20 06:38:55,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states and 475 transitions. [2021-11-20 06:38:55,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 351. [2021-11-20 06:38:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 351 states have (on average 1.3418803418803418) internal successors, (471), 350 states have internal predecessors, (471), 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) [2021-11-20 06:38:55,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 471 transitions. [2021-11-20 06:38:55,505 INFO L704 BuchiCegarLoop]: Abstraction has 351 states and 471 transitions. [2021-11-20 06:38:55,505 INFO L587 BuchiCegarLoop]: Abstraction has 351 states and 471 transitions. [2021-11-20 06:38:55,505 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:38:55,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 351 states and 471 transitions. [2021-11-20 06:38:55,510 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2021-11-20 06:38:55,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:38:55,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:38:55,511 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:55,511 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:55,511 INFO L791 eck$LassoCheckResult]: Stem: 768#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 660#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 661#L296 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 653#L289 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 654#L304 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 714#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 715#L231 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 739#L994 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 740#L321-2 [2021-11-20 06:38:55,511 INFO L793 eck$LassoCheckResult]: Loop: 740#L321-2 assume !false; 741#L322 assume test_~splverifierCounter~0#1 < 4; 586#L323 test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 587#L331 assume !(0 != test_~tmp~1#1); 606#L331-2 test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 751#L341 assume !(0 != test_~tmp___0~0#1); 621#L341-2 test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 718#L351 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 647#L984 assume { :end_inline_startSystem } true; 640#L359-2 assume { :begin_inline_timeShift } true; 641#L757 assume !(0 != ~pumpRunning~0); 701#L757-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 702#L815 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 683#L789-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 685#L781-3 assume { :end_inline_processEnvironment__wrappee__base } true; 743#L789-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 589#L815-1 assume { :end_inline_processEnvironment } true; 645#L764-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 747#L101-2 __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 687#L1005 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 600#L1005-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 727#L774 assume { :end_inline_timeShift } true; 740#L321-2 [2021-11-20 06:38:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,512 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-20 06:38:55,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107084045] [2021-11-20 06:38:55,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,534 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:38:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:38:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash -846739387, now seen corresponding path program 1 times [2021-11-20 06:38:55,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659308377] [2021-11-20 06:38:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:38:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:38:55,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:38:55,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659308377] [2021-11-20 06:38:55,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659308377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:38:55,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:38:55,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:38:55,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911761935] [2021-11-20 06:38:55,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:38:55,640 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 06:38:55,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:38:55,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:38:55,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:38:55,641 INFO L87 Difference]: Start difference. First operand 351 states and 471 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 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) [2021-11-20 06:38:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:38:55,741 INFO L93 Difference]: Finished difference Result 481 states and 624 transitions. [2021-11-20 06:38:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:38:55,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 481 states and 624 transitions. [2021-11-20 06:38:55,748 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 339 [2021-11-20 06:38:55,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 481 states to 481 states and 624 transitions. [2021-11-20 06:38:55,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 481 [2021-11-20 06:38:55,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 481 [2021-11-20 06:38:55,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 481 states and 624 transitions. [2021-11-20 06:38:55,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:38:55,756 INFO L681 BuchiCegarLoop]: Abstraction has 481 states and 624 transitions. [2021-11-20 06:38:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states and 624 transitions. [2021-11-20 06:38:55,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2021-11-20 06:38:55,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 481 states have (on average 1.2972972972972974) internal successors, (624), 480 states have internal predecessors, (624), 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) [2021-11-20 06:38:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 624 transitions. [2021-11-20 06:38:55,787 INFO L704 BuchiCegarLoop]: Abstraction has 481 states and 624 transitions. [2021-11-20 06:38:55,787 INFO L587 BuchiCegarLoop]: Abstraction has 481 states and 624 transitions. [2021-11-20 06:38:55,787 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:38:55,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 481 states and 624 transitions. [2021-11-20 06:38:55,795 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 339 [2021-11-20 06:38:55,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:38:55,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:38:55,799 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:55,799 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:38:55,799 INFO L791 eck$LassoCheckResult]: Stem: 1624#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 1504#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1505#L296 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1495#L289 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1496#L304 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1560#L260 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1561#L231 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1589#L994 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet11#1, test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1590#L321-2 [2021-11-20 06:38:55,800 INFO L793 eck$LassoCheckResult]: Loop: 1590#L321-2 assume !false; 1591#L322 assume test_~splverifierCounter~0#1 < 4; 1600#L323 test_~tmp~1#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; 1696#L331 assume !(0 != test_~tmp~1#1); 1626#L331-2 test_~tmp___0~0#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 1603#L341 assume !(0 != test_~tmp___0~0#1); 1458#L341-2 test_~tmp___2~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1566#L351 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1489#L984 assume { :end_inline_startSystem } true; 1480#L359-2 assume { :begin_inline_timeShift } true; 1481#L757 assume !(0 != ~pumpRunning~0); 1546#L757-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1547#L815 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1527#L789-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~12#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~12#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1528#L141-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1474#L146-1 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 1475#L935-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1503#L935-5 isHighWaterLevel_~retValue_acc~12#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~12#1; 1598#L941-1 processEnvironment__wrappee__highWaterSensor_#t~ret38#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret38#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret38#1; 1509#L793-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1510#L781-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1594#L789-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1428#L815-1 assume { :end_inline_processEnvironment } true; 1616#L764-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_#t~ret53#1, __utac_acc__Specification2_spec__2_~tmp~10#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~10#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1595#L101-2 __utac_acc__Specification2_spec__2_#t~ret52#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~10#1 := __utac_acc__Specification2_spec__2_#t~ret52#1;havoc __utac_acc__Specification2_spec__2_#t~ret52#1; 1531#L1005 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~10#1);~methAndRunningLastTime~0 := 0; 1437#L1005-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1575#L774 assume { :end_inline_timeShift } true; 1590#L321-2 [2021-11-20 06:38:55,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2021-11-20 06:38:55,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311843021] [2021-11-20 06:38:55,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,850 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:38:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:38:55,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,868 INFO L85 PathProgramCache]: Analyzing trace with hash 907042525, now seen corresponding path program 1 times [2021-11-20 06:38:55,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538846993] [2021-11-20 06:38:55,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,883 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:38:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:38:55,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:38:55,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1906113094, now seen corresponding path program 1 times [2021-11-20 06:38:55,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:38:55,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050550027] [2021-11-20 06:38:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:38:55,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:38:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,938 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:38:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:38:55,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:38:59,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:38:59 BoogieIcfgContainer [2021-11-20 06:38:59,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:38:59,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:38:59,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:38:59,677 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:38:59,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:38:54" (3/4) ... [2021-11-20 06:38:59,680 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-20 06:38:59,807 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:38:59,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:38:59,808 INFO L158 Benchmark]: Toolchain (without parser) took 6560.07ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 54.9MB in the beginning and 87.1MB in the end (delta: -32.2MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,809 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 166.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:38:59,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.47ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 54.6MB in the beginning and 92.5MB in the end (delta: -37.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.65ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 88.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,811 INFO L158 Benchmark]: Boogie Preprocessor took 88.79ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,812 INFO L158 Benchmark]: RCFGBuilder took 788.96ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 62.0MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,813 INFO L158 Benchmark]: BuchiAutomizer took 4885.68ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 61.5MB in the beginning and 90.2MB in the end (delta: -28.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,814 INFO L158 Benchmark]: Witness Printer took 130.41ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 87.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:38:59,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.1MB in the end (delta: 166.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.47ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 54.6MB in the beginning and 92.5MB in the end (delta: -37.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.65ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 88.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.79ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 86.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.96ms. Allocated memory is still 125.8MB. Free memory was 86.2MB in the beginning and 62.0MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4885.68ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 61.5MB in the beginning and 90.2MB in the end (delta: -28.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * Witness Printer took 130.41ms. Allocated memory is still 167.8MB. Free memory was 90.2MB in the beginning and 87.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 481 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 481 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 421 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 421 mSDsluCounter, 839 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 348 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 491 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 321]: 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 {splverifierCounter=0, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55194fc6=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78e11a76=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b39b1b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@497f2b7=0, retValue_acc=1, methaneLevelCritical=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55bca9b0=0, retValue_acc=1, \result=0, retValue_acc=0, retValue_acc=0, tmp=1, \result=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57136c42=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32d80fe6=0, tmp=0, retValue_acc=0, tmp___2=29, tmp=0, methAndRunningLastTime=0, cleanupTimeShifts=4, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43c90669=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@435cd9c3=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@244fb56e=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 321]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L549] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L749] int pumpRunning = 0; [L750] int systemActive = 1; [L988] int methAndRunningLastTime ; [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L300] int retValue_acc ; [L303] retValue_acc = 1 [L304] return (retValue_acc); [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L241] CALL __utac_acc__Specification2_spec__1() [L993] methAndRunningLastTime = 0 [L241] RET __utac_acc__Specification2_spec__1() [L242] CALL test() [L312] int splverifierCounter ; [L313] int tmp ; [L314] int tmp___0 ; [L315] int tmp___1 ; [L316] int tmp___2 ; [L319] splverifierCounter = 0 Loop: [L321] COND TRUE 1 [L323] COND TRUE splverifierCounter < 4 [L329] tmp = __VERIFIER_nondet_int() [L331] COND FALSE !(\read(tmp)) [L339] tmp___0 = __VERIFIER_nondet_int() [L341] COND FALSE !(\read(tmp___0)) [L349] tmp___2 = __VERIFIER_nondet_int() [L351] COND TRUE \read(tmp___2) [L353] CALL startSystem() [L983] systemActive = 1 [L353] RET startSystem() [L368] CALL timeShift() [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L766] CALL processEnvironment() [L812] int tmp ; [L815] COND FALSE !(\read(pumpRunning)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L786] int tmp ; [L789] COND TRUE ! pumpRunning [L791] CALL, EXPR isHighWaterLevel() [L927] int retValue_acc ; [L928] int tmp ; [L929] int tmp___0 ; [L933] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L933] RET, EXPR isHighWaterSensorDry() [L933] tmp = isHighWaterSensorDry() [L935] COND TRUE \read(tmp) [L936] tmp___0 = 0 [L940] retValue_acc = tmp___0 [L941] return (retValue_acc); [L791] RET, EXPR isHighWaterLevel() [L791] tmp = isHighWaterLevel() [L793] COND FALSE !(\read(tmp)) [L799] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L766] RET processEnvironment() [L772] CALL __utac_acc__Specification2_spec__2() [L998] int tmp ; [L999] int tmp___0 ; [L1003] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L1003] RET, EXPR isMethaneLevelCritical() [L1003] tmp = isMethaneLevelCritical() [L1005] COND FALSE !(\read(tmp)) [L1021] methAndRunningLastTime = 0 [L772] RET __utac_acc__Specification2_spec__2() [L368] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-20 06:38:59,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c2d1000-d563-449e-a0ea-e6e1fe72d43d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)