./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8 --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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d --- 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-2329fc7 [2022-12-13 20:26:46,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:26:46,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:26:46,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:26:46,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:26:46,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:26:46,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:26:46,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:26:46,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:26:46,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:26:46,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:26:46,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:26:46,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:26:46,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:26:46,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:26:46,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:26:46,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:26:46,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:26:46,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:26:46,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:26:46,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:26:46,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:26:46,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:26:46,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:26:46,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:26:46,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:26:46,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:26:46,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:26:46,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:26:46,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:26:46,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:26:46,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:26:46,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:26:46,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:26:46,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:26:46,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:26:46,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:26:46,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:26:46,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:26:46,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:26:46,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:26:46,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 20:26:46,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:26:46,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:26:46,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:26:46,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:26:46,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:26:46,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:26:46,927 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:26:46,927 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:26:46,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:26:46,928 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:26:46,929 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:26:46,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:26:46,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:26:46,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:26:46,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:26:46,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:26:46,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:26:46,931 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:26:46,931 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_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2022-12-13 20:26:47,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:26:47,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:26:47,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:26:47,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:26:47,119 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:26:47,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-12-13 20:26:49,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:26:49,819 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:26:49,819 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2022-12-13 20:26:49,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/data/946a23301/a230225fc6dd4418922b4eb57d082bcc/FLAGb579ed15f [2022-12-13 20:26:49,836 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/data/946a23301/a230225fc6dd4418922b4eb57d082bcc [2022-12-13 20:26:49,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:26:49,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:26:49,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:26:49,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:26:49,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:26:49,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:26:49" (1/1) ... [2022-12-13 20:26:49,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b444c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:49, skipping insertion in model container [2022-12-13 20:26:49,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:26:49" (1/1) ... [2022-12-13 20:26:49,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:26:49,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:26:50,016 WARN L237 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_e29126d8-d30b-45b5-af6b-ad733e38bf79/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2022-12-13 20:26:50,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:26:50,040 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:26:50,074 WARN L237 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_e29126d8-d30b-45b5-af6b-ad733e38bf79/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2022-12-13 20:26:50,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:26:50,095 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:26:50,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50 WrapperNode [2022-12-13 20:26:50,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:26:50,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:26:50,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:26:50,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:26:50,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,128 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 303 [2022-12-13 20:26:50,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:26:50,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:26:50,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:26:50,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:26:50,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,144 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:26:50,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:26:50,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:26:50,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:26:50,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (1/1) ... [2022-12-13 20:26:50,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:26:50,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:26:50,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:26:50,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:26:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:26:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:26:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:26:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:26:50,254 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:26:50,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:26:50,437 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:26:50,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:26:50,443 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:26:50,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:50 BoogieIcfgContainer [2022-12-13 20:26:50,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:26:50,445 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:26:50,445 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:26:50,448 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:26:50,448 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:26:50,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:26:49" (1/3) ... [2022-12-13 20:26:50,449 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ba2e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:26:50, skipping insertion in model container [2022-12-13 20:26:50,449 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:26:50,449 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:50" (2/3) ... [2022-12-13 20:26:50,450 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ba2e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:26:50, skipping insertion in model container [2022-12-13 20:26:50,450 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:26:50,450 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:50" (3/3) ... [2022-12-13 20:26:50,451 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product13.cil.c [2022-12-13 20:26:50,494 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:26:50,494 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:26:50,494 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:26:50,494 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:26:50,494 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:26:50,495 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:26:50,495 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:26:50,495 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:26:50,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-12-13 20:26:50,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-12-13 20:26:50,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:26:50,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:26:50,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:26:50,518 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:26:50,518 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:26:50,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-12-13 20:26:50,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-12-13 20:26:50,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:26:50,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:26:50,522 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:26:50,522 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:26:50,526 INFO L748 eck$LassoCheckResult]: Stem: 46#$Ultimate##0true 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 57#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 39#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 53#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 36#valid_product_returnLabel#1true main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 6#L626true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 7#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 38#L802-2true [2022-12-13 20:26:50,526 INFO L750 eck$LassoCheckResult]: Loop: 38#L802-2true assume !false; 34#L803true assume test_~splverifierCounter~0#1 < 4; 20#L804true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 23#L812true assume !(0 != test_~tmp~7#1); 54#L812-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 21#L822true assume !(0 != test_~tmp___0~1#1); 78#L822-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 8#L832true assume 0 != test_~tmp___2~0#1; 50#L838-2true assume { :begin_inline_timeShift } true; 81#L649true assume !(0 != ~pumpRunning~0); 75#L649-2true assume !(0 != ~systemActive~0); 24#L656-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 85#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 60#L520true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 26#L520-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 86#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 38#L802-2true [2022-12-13 20:26:50,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 20:26:50,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:50,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747975738] [2022-12-13 20:26:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:50,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:50,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:26:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2022-12-13 20:26:50,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:50,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673941693] [2022-12-13 20:26:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:50,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:50,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:50,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:26:50,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:50,654 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2022-12-13 20:26:50,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:50,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016183354] [2022-12-13 20:26:50,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:50,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:26:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:26:50,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:26:50,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016183354] [2022-12-13 20:26:50,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016183354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:26:50,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:26:50,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:26:50,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889158522] [2022-12-13 20:26:50,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:26:50,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:26:50,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:26:50,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:26:50,916 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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) [2022-12-13 20:26:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:26:50,964 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2022-12-13 20:26:50,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2022-12-13 20:26:50,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-12-13 20:26:50,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2022-12-13 20:26:50,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2022-12-13 20:26:50,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2022-12-13 20:26:50,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2022-12-13 20:26:50,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:26:50,972 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-12-13 20:26:50,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2022-12-13 20:26:50,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-12-13 20:26:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 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) [2022-12-13 20:26:50,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2022-12-13 20:26:50,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-12-13 20:26:51,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:26:51,003 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2022-12-13 20:26:51,003 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:26:51,003 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2022-12-13 20:26:51,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-12-13 20:26:51,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:26:51,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:26:51,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:26:51,006 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] [2022-12-13 20:26:51,006 INFO L748 eck$LassoCheckResult]: Stem: 272#$Ultimate##0 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 273#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret34#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 264#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 265#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 263#valid_product_returnLabel#1 main_#t~ret34#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret34#1;havoc main_#t~ret34#1; 215#L626 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 216#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 217#L802-2 [2022-12-13 20:26:51,006 INFO L750 eck$LassoCheckResult]: Loop: 217#L802-2 assume !false; 259#L803 assume test_~splverifierCounter~0#1 < 4; 241#L804 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 242#L812 assume !(0 != test_~tmp~7#1); 243#L812-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 237#L822 assume !(0 != test_~tmp___0~1#1); 238#L822-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 212#L832 assume 0 != test_~tmp___2~0#1; 214#L838-2 assume { :begin_inline_timeShift } true; 276#L649 assume !(0 != ~pumpRunning~0); 270#L649-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 287#L681 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 286#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 277#L681-1 assume { :end_inline_processEnvironment } true; 244#L656-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret32#1, __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 245#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret32#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret32#1;havoc __utac_acc__Specification4_spec__1_#t~ret32#1; 278#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 247#L520-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 248#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 217#L802-2 [2022-12-13 20:26:51,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 20:26:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:51,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816366979] [2022-12-13 20:26:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:51,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:26:51,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:51,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2022-12-13 20:26:51,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:51,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303400784] [2022-12-13 20:26:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:26:51,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2022-12-13 20:26:51,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:51,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30790043] [2022-12-13 20:26:51,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:51,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:26:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:26:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:26:51,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:26:51 BoogieIcfgContainer [2022-12-13 20:26:51,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:26:51,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:26:51,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:26:51,762 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:26:51,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:50" (3/4) ... [2022-12-13 20:26:51,764 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 20:26:51,793 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:26:51,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:26:51,794 INFO L158 Benchmark]: Toolchain (without parser) took 1955.23ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 76.1MB in the end (delta: 39.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,794 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:26:51,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.90ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 98.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.90ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,795 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 157.3MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,796 INFO L158 Benchmark]: RCFGBuilder took 297.67ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 77.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,796 INFO L158 Benchmark]: BuchiAutomizer took 1316.21ms. Allocated memory is still 157.3MB. Free memory was 77.3MB in the beginning and 79.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:26:51,796 INFO L158 Benchmark]: Witness Printer took 32.08ms. Allocated memory is still 157.3MB. Free memory was 79.2MB in the beginning and 76.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:26:51,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.90ms. Allocated memory is still 157.3MB. Free memory was 115.8MB in the beginning and 98.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.90ms. Allocated memory is still 157.3MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 157.3MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.67ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 77.3MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1316.21ms. Allocated memory is still 157.3MB. Free memory was 77.3MB in the beginning and 79.2MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 32.08ms. Allocated memory is still 157.3MB. Free memory was 79.2MB in the beginning and 76.1MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 802]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 802]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L538] int cleanupTimeShifts = 4; [L642] int pumpRunning = 0; [L643] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int retValue_acc ; [L618] int tmp ; [L622] FCALL select_helpers() [L623] FCALL select_features() [L624] CALL, EXPR valid_product() [L883] int retValue_acc ; [L886] retValue_acc = 1 [L887] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L624] RET, EXPR valid_product() [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L628] FCALL setup() [L629] CALL runTest() [L608] CALL test() [L793] int splverifierCounter ; [L794] int tmp ; [L795] int tmp___0 ; [L796] int tmp___1 ; [L797] int tmp___2 ; [L800] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L802] COND TRUE 1 [L804] COND TRUE splverifierCounter < 4 [L810] tmp = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp)) [L820] tmp___0 = __VERIFIER_nondet_int() [L822] COND FALSE !(\read(tmp___0)) [L830] tmp___2 = __VERIFIER_nondet_int() [L832] COND TRUE \read(tmp___2) [L845] CALL timeShift() [L649] COND FALSE !(\read(pumpRunning)) [L656] COND TRUE \read(systemActive) [L658] CALL processEnvironment() [L678] int tmp ; [L681] COND FALSE !(\read(pumpRunning)) [L696] FCALL processEnvironment__wrappee__methaneQuery() [L658] RET processEnvironment() [L664] CALL __utac_acc__Specification4_spec__1() [L513] int tmp ; [L514] int tmp___0 ; [L518] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L518] RET, EXPR getWaterLevel() [L518] tmp = getWaterLevel() [L520] COND FALSE !(tmp == 0) [L664] RET __utac_acc__Specification4_spec__1() [L845] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:26:51,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e29126d8-d30b-45b5-af6b-ad733e38bf79/bin/uautomizer-uyxdKDjOR8/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)