./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ --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 cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:52:43,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:52:43,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:52:43,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:52:43,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:52:43,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:52:43,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:52:43,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:52:43,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:52:43,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:52:43,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:52:43,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:52:43,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:52:43,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:52:43,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:52:43,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:52:43,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:52:43,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:52:43,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:52:43,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:52:43,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:52:43,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:52:43,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:52:43,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:52:43,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:52:43,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:52:43,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:52:43,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:52:43,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:52:43,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:52:43,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:52:43,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:52:43,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:52:43,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:52:43,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:52:43,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:52:43,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:52:43,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:52:43,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:52:43,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:52:43,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:52:43,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:52:43,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:52:43,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:52:43,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:52:43,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:52:43,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:52:43,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:52:43,923 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:52:43,924 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:52:43,924 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:52:43,924 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:52:43,924 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:52:43,924 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:52:43,925 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:52:43,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:52:43,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:52:43,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:52:43,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:52:43,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:52:43,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:52:43,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:52:43,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:52:43,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:52:43,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:52:43,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:52:43,948 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:52:43,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:52:43,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:52:43,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:52:43,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:52:43,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:52:43,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:52:43,950 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:52:43,950 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_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbf45a1115fd10e0de4fb28135afee6c1ce9b70ee1cd8750ed2615e2a15c1223 [2022-10-17 10:52:44,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:52:44,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:52:44,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:52:44,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:52:44,217 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:52:44,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2022-10-17 10:52:44,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/data/f633d4aa8/f8ab5b2196cd4573a1defbaa796863f4/FLAG46253e96b [2022-10-17 10:52:44,795 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:52:44,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2022-10-17 10:52:44,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/data/f633d4aa8/f8ab5b2196cd4573a1defbaa796863f4/FLAG46253e96b [2022-10-17 10:52:45,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/data/f633d4aa8/f8ab5b2196cd4573a1defbaa796863f4 [2022-10-17 10:52:45,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:52:45,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:52:45,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:52:45,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:52:45,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:52:45,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52395822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45, skipping insertion in model container [2022-10-17 10:52:45,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:52:45,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:52:45,634 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_3ca7aacf-cc6d-4801-97a4-abadc7433404/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c[12671,12684] [2022-10-17 10:52:45,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:52:45,671 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:52:45,751 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_3ca7aacf-cc6d-4801-97a4-abadc7433404/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c[12671,12684] [2022-10-17 10:52:45,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:52:45,789 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:52:45,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45 WrapperNode [2022-10-17 10:52:45,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:52:45,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:52:45,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:52:45,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:52:45,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,852 INFO L138 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 410 [2022-10-17 10:52:45,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:52:45,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:52:45,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:52:45,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:52:45,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:52:45,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:52:45,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:52:45,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:52:45,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (1/1) ... [2022-10-17 10:52:45,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:52:45,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:52:45,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:52:45,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:52:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:52:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:52:46,039 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:52:46,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:52:46,473 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:52:46,481 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:52:46,481 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:52:46,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:52:46 BoogieIcfgContainer [2022-10-17 10:52:46,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:52:46,484 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:52:46,485 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:52:46,489 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:52:46,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:46,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:52:45" (1/3) ... [2022-10-17 10:52:46,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5910068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:52:46, skipping insertion in model container [2022-10-17 10:52:46,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:46,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:52:45" (2/3) ... [2022-10-17 10:52:46,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5910068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:52:46, skipping insertion in model container [2022-10-17 10:52:46,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:52:46,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:52:46" (3/3) ... [2022-10-17 10:52:46,506 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2022-10-17 10:52:46,571 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:52:46,572 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:52:46,572 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:52:46,572 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:52:46,572 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:52:46,572 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:52:46,572 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:52:46,572 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:52:46,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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) [2022-10-17 10:52:46,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-10-17 10:52:46,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:46,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:46,613 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:46,613 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:46,613 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:52:46,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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) [2022-10-17 10:52:46,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-10-17 10:52:46,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:46,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:46,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:46,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:46,630 INFO L748 eck$LassoCheckResult]: Stem: 94#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 5#L866true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 90#L859true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 57#L874true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 79#L830true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 4#L804true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 9#L533-2true [2022-10-17 10:52:46,630 INFO L750 eck$LassoCheckResult]: Loop: 9#L533-2true assume !false; 71#L534true assume test_~splverifierCounter~0#1 < 4; 69#L535true test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 39#L543true assume !(0 != test_~tmp~3#1); 99#L543-2true test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 55#L553true assume !(0 != test_~tmp___0~0#1); 54#L553-2true test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 48#L563true assume 0 != test_~tmp___2~0#1; 58#L569-2true assume { :begin_inline_timeShift } true; 80#L600true assume !(0 != ~pumpRunning~0); 84#L600-2true assume !(0 != ~systemActive~0); 38#L607-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 102#L466true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 10#L888true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 45#L894-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 49#L617true assume { :end_inline_timeShift } true; 9#L533-2true [2022-10-17 10:52:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:46,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-10-17 10:52:46,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:46,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896674834] [2022-10-17 10:52:46,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:46,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:46,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:46,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:46,898 INFO L85 PathProgramCache]: Analyzing trace with hash -828899402, now seen corresponding path program 1 times [2022-10-17 10:52:46,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:46,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410283879] [2022-10-17 10:52:46,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:46,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:46,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:46,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash 526519674, now seen corresponding path program 1 times [2022-10-17 10:52:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:46,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851776452] [2022-10-17 10:52:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:47,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:47,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851776452] [2022-10-17 10:52:47,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851776452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:47,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:47,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:52:47,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144587021] [2022-10-17 10:52:47,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:52:47,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:52:47,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:52:47,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:52:47,553 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-10-17 10:52:47,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:52:47,654 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-10-17 10:52:47,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2022-10-17 10:52:47,664 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-10-17 10:52:47,668 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2022-10-17 10:52:47,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2022-10-17 10:52:47,670 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2022-10-17 10:52:47,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2022-10-17 10:52:47,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:52:47,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-10-17 10:52:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2022-10-17 10:52:47,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-10-17 10:52:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 94 states have internal predecessors, (123), 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) [2022-10-17 10:52:47,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2022-10-17 10:52:47,713 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-10-17 10:52:47,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:52:47,720 INFO L428 stractBuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-10-17 10:52:47,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:52:47,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2022-10-17 10:52:47,723 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-10-17 10:52:47,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:47,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:47,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:47,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:47,724 INFO L748 eck$LassoCheckResult]: Stem: 319#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 309#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 249#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 250#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 251#L874 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 252#L830 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 240#L804 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 241#L533-2 [2022-10-17 10:52:47,725 INFO L750 eck$LassoCheckResult]: Loop: 241#L533-2 assume !false; 272#L534 assume test_~splverifierCounter~0#1 < 4; 275#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 276#L543 assume !(0 != test_~tmp~3#1); 289#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 242#L553 assume !(0 != test_~tmp___0~0#1); 236#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 237#L563 assume 0 != test_~tmp___2~0#1; 253#L569-2 assume { :begin_inline_timeShift } true; 254#L600 assume !(0 != ~pumpRunning~0); 302#L600-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 294#L632 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 262#L624-1 assume { :end_inline_processEnvironment__wrappee__base } true; 256#L632-1 assume { :end_inline_processEnvironment } true; 287#L607-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 315#L466 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 279#L888 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 280#L894-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 322#L617 assume { :end_inline_timeShift } true; 241#L533-2 [2022-10-17 10:52:47,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:47,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-10-17 10:52:47,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:47,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453913744] [2022-10-17 10:52:47,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:47,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:47,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:47,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:47,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash -646847051, now seen corresponding path program 1 times [2022-10-17 10:52:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:47,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877729346] [2022-10-17 10:52:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:47,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:47,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:47,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:47,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1655296369, now seen corresponding path program 1 times [2022-10-17 10:52:47,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:47,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371259427] [2022-10-17 10:52:47,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:47,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:52:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:52:47,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:52:47,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371259427] [2022-10-17 10:52:47,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371259427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:52:47,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:52:47,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:52:47,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118163304] [2022-10-17 10:52:47,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:52:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:52:48,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:52:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:52:48,141 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-10-17 10:52:48,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:52:48,257 INFO L93 Difference]: Finished difference Result 337 states and 441 transitions. [2022-10-17 10:52:48,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 337 states and 441 transitions. [2022-10-17 10:52:48,264 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2022-10-17 10:52:48,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 337 states to 337 states and 441 transitions. [2022-10-17 10:52:48,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 337 [2022-10-17 10:52:48,270 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 337 [2022-10-17 10:52:48,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 337 states and 441 transitions. [2022-10-17 10:52:48,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:52:48,273 INFO L218 hiAutomatonCegarLoop]: Abstraction has 337 states and 441 transitions. [2022-10-17 10:52:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states and 441 transitions. [2022-10-17 10:52:48,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2022-10-17 10:52:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.284153005464481) internal successors, (235), 182 states have internal predecessors, (235), 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) [2022-10-17 10:52:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2022-10-17 10:52:48,290 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-10-17 10:52:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:52:48,292 INFO L428 stractBuchiCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-10-17 10:52:48,292 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:52:48,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 235 transitions. [2022-10-17 10:52:48,294 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2022-10-17 10:52:48,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:52:48,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:52:48,296 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:48,296 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:52:48,296 INFO L748 eck$LassoCheckResult]: Stem: 782#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 765#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 698#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 699#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 704#L874 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 705#L830 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 690#L804 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 691#L533-2 [2022-10-17 10:52:48,297 INFO L750 eck$LassoCheckResult]: Loop: 691#L533-2 assume !false; 824#L534 assume test_~splverifierCounter~0#1 < 4; 823#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 821#L543 assume !(0 != test_~tmp~3#1); 819#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 818#L553 assume !(0 != test_~tmp___0~0#1); 686#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 687#L563 assume 0 != test_~tmp___2~0#1; 702#L569-2 assume { :begin_inline_timeShift } true; 703#L600 assume !(0 != ~pumpRunning~0); 757#L600-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 747#L632 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 713#L624-1 assume { :end_inline_processEnvironment__wrappee__base } true; 707#L632-1 assume { :end_inline_processEnvironment } true; 740#L607-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 776#L466 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 731#L888 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 729#L498 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 730#L894 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 826#L894-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 795#L617 assume { :end_inline_timeShift } true; 691#L533-2 [2022-10-17 10:52:48,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:48,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-10-17 10:52:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:48,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281169766] [2022-10-17 10:52:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:48,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:48,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1151493224, now seen corresponding path program 1 times [2022-10-17 10:52:48,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:48,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283954022] [2022-10-17 10:52:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:52:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1603162404, now seen corresponding path program 1 times [2022-10-17 10:52:48,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:52:48,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29466372] [2022-10-17 10:52:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:52:48,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:52:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:48,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:52:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:51,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:52:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:52:52,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:52:52 BoogieIcfgContainer [2022-10-17 10:52:52,032 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:52:52,032 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:52:52,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:52:52,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:52:52,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:52:46" (3/4) ... [2022-10-17 10:52:52,035 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:52:52,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:52:52,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:52:52,113 INFO L158 Benchmark]: Toolchain (without parser) took 6864.23ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 75.4MB in the beginning and 103.9MB in the end (delta: -28.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,113 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:52:52,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.83ms. Allocated memory is still 119.5MB. Free memory was 75.1MB in the beginning and 85.3MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.98ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 82.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,116 INFO L158 Benchmark]: Boogie Preprocessor took 36.40ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,116 INFO L158 Benchmark]: RCFGBuilder took 593.66ms. Allocated memory is still 119.5MB. Free memory was 80.1MB in the beginning and 59.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,116 INFO L158 Benchmark]: BuchiAutomizer took 5547.53ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 59.6MB in the beginning and 107.0MB in the end (delta: -47.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:52:52,117 INFO L158 Benchmark]: Witness Printer took 79.94ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 103.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:52:52,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 92.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.83ms. Allocated memory is still 119.5MB. Free memory was 75.1MB in the beginning and 85.3MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.98ms. Allocated memory is still 119.5MB. Free memory was 84.8MB in the beginning and 82.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.40ms. Allocated memory is still 119.5MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.66ms. Allocated memory is still 119.5MB. Free memory was 80.1MB in the beginning and 59.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 5547.53ms. Allocated memory was 119.5MB in the beginning and 155.2MB in the end (delta: 35.7MB). Free memory was 59.6MB in the beginning and 107.0MB in the end (delta: -47.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 79.94ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 103.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 6 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 154 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 828 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 828 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 304 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 533]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 533]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L745] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] int retValue_acc ; [L822] int tmp ; [L826] FCALL select_helpers() [L827] FCALL select_features() [L828] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L828] RET, EXPR valid_product() [L828] tmp = valid_product() [L830] COND TRUE \read(tmp) [L832] FCALL setup() [L833] CALL runTest() [L812] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L600] COND FALSE !(\read(pumpRunning)) [L607] COND TRUE \read(systemActive) [L609] CALL processEnvironment() [L629] int tmp ; [L632] COND FALSE !(\read(pumpRunning)) [L647] FCALL processEnvironment__wrappee__base() [L609] RET processEnvironment() [L615] CALL __utac_acc__Specification3_spec__1() [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L886] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L886] RET, EXPR isMethaneLevelCritical() [L886] tmp = isMethaneLevelCritical() [L888] COND FALSE !(\read(tmp)) [L892] CALL, EXPR getWaterLevel() [L494] int retValue_acc ; [L497] retValue_acc = waterLevel [L498] return (retValue_acc); [L892] RET, EXPR getWaterLevel() [L892] tmp___0 = getWaterLevel() [L894] COND FALSE !(tmp___0 == 2) [L615] RET __utac_acc__Specification3_spec__1() [L576] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:52:52,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca7aacf-cc6d-4801-97a4-abadc7433404/bin/uautomizer-J5u9QxTXDZ/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)