./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/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_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/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_66a020f7-f679-4863-a7a8-58c4d8a639c1/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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- 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 21:24:29,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:24:29,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:24:29,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:24:29,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:24:29,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:24:29,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:24:29,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:24:29,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:24:29,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:24:29,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:24:29,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:24:29,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:24:29,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:24:29,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:24:29,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:24:29,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:24:29,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:24:29,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:24:29,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:24:29,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:24:29,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:24:29,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:24:29,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:24:29,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:24:29,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:24:29,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:24:29,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:24:29,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:24:29,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:24:29,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:24:29,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:24:29,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:24:29,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:24:29,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:24:29,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:24:29,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:24:29,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:24:29,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:24:29,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:24:29,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:24:29,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:24:29,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:24:29,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:24:29,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:24:29,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:24:29,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:24:29,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:24:29,837 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:24:29,837 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:24:29,837 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:24:29,837 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:24:29,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:24:29,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:24:29,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:24:29,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:24:29,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:24:29,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:24:29,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:24:29,841 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:24:29,841 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_66a020f7-f679-4863-a7a8-58c4d8a639c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2022-12-13 21:24:30,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:24:30,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:24:30,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:24:30,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:24:30,020 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:24:30,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2022-12-13 21:24:32,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:24:32,829 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:24:32,830 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2022-12-13 21:24:32,842 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/data/c41a9c27d/05a141b17a154d04a7832ca5697c7d9a/FLAG93acd3a3d [2022-12-13 21:24:32,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/data/c41a9c27d/05a141b17a154d04a7832ca5697c7d9a [2022-12-13 21:24:32,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:24:32,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:24:32,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:24:32,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:24:32,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:24:32,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:24:32" (1/1) ... [2022-12-13 21:24:32,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20017d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:32, skipping insertion in model container [2022-12-13 21:24:32,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:24:32" (1/1) ... [2022-12-13 21:24:32,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:24:32,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:24:33,132 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_66a020f7-f679-4863-a7a8-58c4d8a639c1/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2022-12-13 21:24:33,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:24:33,150 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:24:33,207 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_66a020f7-f679-4863-a7a8-58c4d8a639c1/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2022-12-13 21:24:33,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:24:33,227 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:24:33,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33 WrapperNode [2022-12-13 21:24:33,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:24:33,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:24:33,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:24:33,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:24:33,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,319 INFO L138 Inliner]: procedures = 63, calls = 122, calls flagged for inlining = 75, calls inlined = 452, statements flattened = 2710 [2022-12-13 21:24:33,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:24:33,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:24:33,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:24:33,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:24:33,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:24:33,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:24:33,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:24:33,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:24:33,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (1/1) ... [2022-12-13 21:24:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:24:33,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:24:33,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:24:33,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:24:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:24:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:24:33,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:24:33,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:24:33,553 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:24:33,555 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:24:34,333 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:24:34,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:24:34,341 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:24:34,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:24:34 BoogieIcfgContainer [2022-12-13 21:24:34,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:24:34,344 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:24:34,344 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:24:34,346 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:24:34,347 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:24:34,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:24:32" (1/3) ... [2022-12-13 21:24:34,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6785bd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:24:34, skipping insertion in model container [2022-12-13 21:24:34,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:24:34,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:24:33" (2/3) ... [2022-12-13 21:24:34,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6785bd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:24:34, skipping insertion in model container [2022-12-13 21:24:34,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:24:34,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:24:34" (3/3) ... [2022-12-13 21:24:34,349 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2022-12-13 21:24:34,395 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:24:34,395 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:24:34,396 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:24:34,396 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:24:34,396 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:24:34,396 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:24:34,396 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:24:34,396 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:24:34,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 772 states, 771 states have (on average 1.3476005188067446) internal successors, (1039), 771 states have internal predecessors, (1039), 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 21:24:34,431 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2022-12-13 21:24:34,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:24:34,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:24:34,437 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:34,437 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:34,437 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:24:34,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 772 states, 771 states have (on average 1.3476005188067446) internal successors, (1039), 771 states have internal predecessors, (1039), 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 21:24:34,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2022-12-13 21:24:34,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:24:34,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:24:34,447 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:34,447 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:34,451 INFO L748 eck$LassoCheckResult]: Stem: 126#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 705#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 606#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 140#select_one_returnLabel#1true select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 737#select_one_returnLabel#2true select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 502#select_one_returnLabel#3true select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 87#select_one_returnLabel#4true select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 504#select_one_returnLabel#5true select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 122#select_one_returnLabel#6true select_features_#t~ret53#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 388#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 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 469#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 293#L506true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 259#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 340#L540-2true [2022-12-13 21:24:34,451 INFO L750 eck$LassoCheckResult]: Loop: 340#L540-2true assume !false; 647#L541true assume test_~splverifierCounter~0#1 < 4; 314#L542true test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 682#L550true assume !(0 != test_~tmp~4#1); 115#L550-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 603#L560true assume !(0 != test_~tmp___0~0#1); 659#L560-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 236#L570true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 406#L582true assume !(0 != test_~tmp___1~0#1); 612#L582-1true assume { :begin_inline_timeShift } true; 592#L623true assume !(0 != ~pumpRunning~0); 16#L623-2true assume !(0 != ~systemActive~0); 628#L630-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 618#isMethaneLevelCritical_returnLabel#11true __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 348#L1003true assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 25#L1009-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 538#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 340#L540-2true [2022-12-13 21:24:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2022-12-13 21:24:34,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:34,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423368032] [2022-12-13 21:24:34,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:34,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:34,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:34,558 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:34,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1278779245, now seen corresponding path program 1 times [2022-12-13 21:24:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:34,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431089890] [2022-12-13 21:24:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:34,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:34,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:34,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:34,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:34,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1716598135, now seen corresponding path program 1 times [2022-12-13 21:24:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981750918] [2022-12-13 21:24:34,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:34,727 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 21:24:34,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:34,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981750918] [2022-12-13 21:24:34,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981750918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:34,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:34,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:24:34,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042730655] [2022-12-13 21:24:34,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:34,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:24:34,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:24:34,863 INFO L87 Difference]: Start difference. First operand has 772 states, 771 states have (on average 1.3476005188067446) internal successors, (1039), 771 states have internal predecessors, (1039), 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 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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 21:24:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:24:35,081 INFO L93 Difference]: Finished difference Result 2351 states and 3144 transitions. [2022-12-13 21:24:35,083 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2351 states and 3144 transitions. [2022-12-13 21:24:35,101 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1558 [2022-12-13 21:24:35,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2351 states to 2311 states and 3104 transitions. [2022-12-13 21:24:35,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2311 [2022-12-13 21:24:35,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2311 [2022-12-13 21:24:35,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2311 states and 3104 transitions. [2022-12-13 21:24:35,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:35,129 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2311 states and 3104 transitions. [2022-12-13 21:24:35,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states and 3104 transitions. [2022-12-13 21:24:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 819. [2022-12-13 21:24:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 819 states have (on average 1.3418803418803418) internal successors, (1099), 818 states have internal predecessors, (1099), 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 21:24:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1099 transitions. [2022-12-13 21:24:35,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 819 states and 1099 transitions. [2022-12-13 21:24:35,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:24:35,202 INFO L428 stractBuchiCegarLoop]: Abstraction has 819 states and 1099 transitions. [2022-12-13 21:24:35,203 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:24:35,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 819 states and 1099 transitions. [2022-12-13 21:24:35,207 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 551 [2022-12-13 21:24:35,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:24:35,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:24:35,209 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:35,209 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, 1, 1, 1] [2022-12-13 21:24:35,209 INFO L748 eck$LassoCheckResult]: Stem: 3561#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 3562#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3754#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3599#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3600#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3512#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3455#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3456#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 3517#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 3551#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 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 3384#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 3385#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 3806#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3613#L540-2 [2022-12-13 21:24:35,210 INFO L750 eck$LassoCheckResult]: Loop: 3613#L540-2 assume !false; 3820#L541 assume test_~splverifierCounter~0#1 < 4; 3821#L542 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 3865#L550 assume !(0 != test_~tmp~4#1); 3147#L550-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 3532#L560 assume !(0 != test_~tmp___0~0#1); 3323#L560-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 3775#L570 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 3776#L582 assume !(0 != test_~tmp___1~0#1); 3290#L582-1 assume { :begin_inline_timeShift } true; 3736#L623 assume !(0 != ~pumpRunning~0); 3218#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3219#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3739#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3209#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3210#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3476#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3477#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3701#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 3751#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 3773#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 3774#L1003 assume 0 != __utac_acc__Specification3_spec__1_~tmp~11#1; 3244#L1009-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3245#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 3613#L540-2 [2022-12-13 21:24:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2022-12-13 21:24:35,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287961476] [2022-12-13 21:24:35,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:35,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1304844163, now seen corresponding path program 1 times [2022-12-13 21:24:35,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514347992] [2022-12-13 21:24:35,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:35,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1942482125, now seen corresponding path program 1 times [2022-12-13 21:24:35,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834597912] [2022-12-13 21:24:35,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:35,337 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 21:24:35,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:35,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834597912] [2022-12-13 21:24:35,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834597912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:35,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:35,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:24:35,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235906857] [2022-12-13 21:24:35,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:35,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:35,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:24:35,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:24:35,449 INFO L87 Difference]: Start difference. First operand 819 states and 1099 transitions. cyclomatic complexity: 283 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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 21:24:35,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:24:35,851 INFO L93 Difference]: Finished difference Result 3239 states and 4355 transitions. [2022-12-13 21:24:35,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3239 states and 4355 transitions. [2022-12-13 21:24:35,864 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 2206 [2022-12-13 21:24:35,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3239 states to 3239 states and 4355 transitions. [2022-12-13 21:24:35,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3239 [2022-12-13 21:24:35,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3239 [2022-12-13 21:24:35,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3239 states and 4355 transitions. [2022-12-13 21:24:35,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:35,878 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3239 states and 4355 transitions. [2022-12-13 21:24:35,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states and 4355 transitions. [2022-12-13 21:24:35,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 1625. [2022-12-13 21:24:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1625 states have (on average 1.3396923076923077) internal successors, (2177), 1624 states have internal predecessors, (2177), 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 21:24:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2177 transitions. [2022-12-13 21:24:35,918 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2022-12-13 21:24:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:24:35,919 INFO L428 stractBuchiCegarLoop]: Abstraction has 1625 states and 2177 transitions. [2022-12-13 21:24:35,919 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:24:35,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1625 states and 2177 transitions. [2022-12-13 21:24:35,924 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 1102 [2022-12-13 21:24:35,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:24:35,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:24:35,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:35,925 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, 1, 1, 1, 1, 1] [2022-12-13 21:24:35,925 INFO L748 eck$LassoCheckResult]: Stem: 7655#$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(38, 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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 7656#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 7882#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1, select_features_#t~ret53#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7699#select_one_returnLabel#1 select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7700#select_one_returnLabel#2 select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7605#select_one_returnLabel#3 select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7541#select_one_returnLabel#4 select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7542#select_one_returnLabel#5 select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet47#1, select_one_~retValue_acc~8#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~8#1;select_one_~choice~0#1 := select_one_#t~nondet47#1;havoc select_one_#t~nondet47#1;select_one_~retValue_acc~8#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~8#1; 7610#select_one_returnLabel#6 select_features_#t~ret53#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret53#1;havoc select_features_#t~ret53#1; 7644#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 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 7465#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 7466#L506 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 7941#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 7942#L540-2 [2022-12-13 21:24:35,925 INFO L750 eck$LassoCheckResult]: Loop: 7942#L540-2 assume !false; 8599#L541 assume test_~splverifierCounter~0#1 < 4; 8600#L542 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 8666#L550 assume !(0 != test_~tmp~4#1); 8664#L550-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 8663#L560 assume !(0 != test_~tmp___0~0#1); 8659#L560-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 8656#L570 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 8655#L582 assume !(0 != test_~tmp___1~0#1); 7368#L582-1 assume { :begin_inline_timeShift } true; 7857#L623 assume !(0 != ~pumpRunning~0); 7294#L623-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 7295#L766 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 7860#L723-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 7285#L680-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 7286#processEnvironment__before__highWaterSensor_returnLabel#27 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 7563#processEnvironment__before__lowWaterSensor_returnLabel#9 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 7564#processEnvironment__before__methaneAlarm_returnLabel#3 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 7815#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 7879#L630-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret54#1, __utac_acc__Specification3_spec__1_#t~ret55#1, __utac_acc__Specification3_spec__1_#t~ret56#1, __utac_acc__Specification3_spec__1_~tmp~11#1, __utac_acc__Specification3_spec__1_~tmp___0~3#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~11#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1; 7904#isMethaneLevelCritical_returnLabel#11 __utac_acc__Specification3_spec__1_#t~ret54#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~11#1 := __utac_acc__Specification3_spec__1_#t~ret54#1;havoc __utac_acc__Specification3_spec__1_#t~ret54#1; 7905#L1003 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~11#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 8075#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret55#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3#1 := __utac_acc__Specification3_spec__1_#t~ret55#1;havoc __utac_acc__Specification3_spec__1_#t~ret55#1; 8076#L1009 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3#1); 8603#L1009-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 8602#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 7942#L540-2 [2022-12-13 21:24:35,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 3 times [2022-12-13 21:24:35,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833751171] [2022-12-13 21:24:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash -173935146, now seen corresponding path program 1 times [2022-12-13 21:24:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658921469] [2022-12-13 21:24:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,945 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:35,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:35,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1584176992, now seen corresponding path program 1 times [2022-12-13 21:24:35,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:35,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391881010] [2022-12-13 21:24:35,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:35,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:35,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:24:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:37,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:24:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:24:37,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:24:37 BoogieIcfgContainer [2022-12-13 21:24:37,106 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:24:37,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:24:37,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:24:37,107 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:24:37,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:24:34" (3/4) ... [2022-12-13 21:24:37,109 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:24:37,151 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:24:37,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:24:37,152 INFO L158 Benchmark]: Toolchain (without parser) took 4290.98ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 85.0MB in the beginning and 121.3MB in the end (delta: -36.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,152 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:24:37,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 64.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.88ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 56.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,153 INFO L158 Benchmark]: Boogie Preprocessor took 102.01ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 56.0MB in the beginning and 119.3MB in the end (delta: -63.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,154 INFO L158 Benchmark]: RCFGBuilder took 920.44ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 113.8MB in the end (delta: 5.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,154 INFO L158 Benchmark]: BuchiAutomizer took 2762.24ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.8MB in the beginning and 125.6MB in the end (delta: -11.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,155 INFO L158 Benchmark]: Witness Printer took 44.64ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 121.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:24:37,157 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 96.5MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 64.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.88ms. Allocated memory is still 123.7MB. Free memory was 64.9MB in the beginning and 56.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.01ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 56.0MB in the beginning and 119.3MB in the end (delta: -63.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.44ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 113.8MB in the end (delta: 5.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2762.24ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.8MB in the beginning and 125.6MB in the end (delta: -11.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 44.64ms. Allocated memory is still 184.5MB. Free memory was 125.6MB in the beginning and 121.3MB in the end (delta: 4.2MB). 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 7 locations. The remainder module has 1625 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3106 StatesRemovedByMinimization, 2 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, 11381 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11381 mSDsluCounter, 15012 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12367 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 433 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 2645 mSDtfsCounter, 433 mSolverCounterSat, 0.1s 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: 540]: 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; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=16, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: 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; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 [L964] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=16, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=16, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=17, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=17, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=18, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=17, choice=18, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=18, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=16, __SELECTED_FEATURE_startCommand=18, __SELECTED_FEATURE_stopCommand=17, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___1)) [L595] CALL timeShift() [L623] COND FALSE !(\read(pumpRunning)) [L630] COND TRUE \read(systemActive) [L632] CALL processEnvironment() [L766] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L773] CALL processEnvironment__before__methaneAlarm() [L723] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L730] CALL processEnvironment__before__lowWaterSensor() [L680] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L687] FCALL processEnvironment__before__highWaterSensor() [L730] RET processEnvironment__before__lowWaterSensor() [L773] RET processEnvironment__before__methaneAlarm() [L632] RET processEnvironment() [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; [L1001] CALL, EXPR isMethaneLevelCritical() [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND FALSE !(tmp___0 == 2) [L638] RET __utac_acc__Specification3_spec__1() [L595] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:24:37,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66a020f7-f679-4863-a7a8-58c4d8a639c1/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)