./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/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_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/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_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/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 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 --- 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 13:35:15,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:35:15,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:35:15,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:35:15,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:35:15,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:35:15,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:35:15,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:35:15,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:35:15,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:35:15,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:35:15,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:35:15,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:35:15,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:35:15,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:35:15,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:35:15,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:35:15,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:35:15,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:35:15,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:35:15,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:35:15,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:35:15,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:35:15,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:35:15,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:35:15,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:35:15,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:35:15,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:35:15,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:35:15,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:35:15,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:35:15,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:35:15,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:35:15,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:35:15,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:35:15,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:35:15,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:35:15,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:35:15,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:35:15,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:35:15,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:35:15,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:35:15,792 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:35:15,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:35:15,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:35:15,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:35:15,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:35:15,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:35:15,794 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:35:15,794 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:35:15,794 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:35:15,795 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:35:15,795 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:35:15,795 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:35:15,795 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:35:15,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:35:15,795 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:35:15,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:35:15,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:35:15,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:35:15,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:35:15,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:35:15,799 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:35:15,799 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_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810 [2022-12-13 13:35:15,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:35:16,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:35:16,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:35:16,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:35:16,012 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:35:16,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2022-12-13 13:35:18,528 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:35:18,697 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:35:18,697 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2022-12-13 13:35:18,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/data/81278ba4e/ae0ae1d8182e474bb6a2ab0497c7c416/FLAG99dff0675 [2022-12-13 13:35:18,714 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/data/81278ba4e/ae0ae1d8182e474bb6a2ab0497c7c416 [2022-12-13 13:35:18,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:35:18,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:35:18,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:35:18,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:35:18,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:35:18,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:18,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a079a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18, skipping insertion in model container [2022-12-13 13:35:18,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:18,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:35:18,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:35:18,880 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_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621] [2022-12-13 13:35:18,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:35:18,937 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:35:18,953 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_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621] [2022-12-13 13:35:18,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:35:18,992 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:35:18,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18 WrapperNode [2022-12-13 13:35:18,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:35:18,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:35:18,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:35:18,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:35:19,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,039 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 51, calls inlined = 52, statements flattened = 361 [2022-12-13 13:35:19,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:35:19,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:35:19,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:35:19,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:35:19,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:35:19,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:35:19,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:35:19,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:35:19,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (1/1) ... [2022-12-13 13:35:19,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:35:19,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:35:19,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:35:19,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:35:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:35:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:35:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:35:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:35:19,179 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:35:19,181 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:35:19,392 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:35:19,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:35:19,397 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:35:19,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:19 BoogieIcfgContainer [2022-12-13 13:35:19,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:35:19,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:35:19,399 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:35:19,404 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:35:19,404 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:19,404 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:35:18" (1/3) ... [2022-12-13 13:35:19,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ea098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:35:19, skipping insertion in model container [2022-12-13 13:35:19,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:19,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:35:18" (2/3) ... [2022-12-13 13:35:19,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ea098c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:35:19, skipping insertion in model container [2022-12-13 13:35:19,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:35:19,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:19" (3/3) ... [2022-12-13 13:35:19,407 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product27.cil.c [2022-12-13 13:35:19,446 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:35:19,446 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:35:19,446 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:35:19,446 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:35:19,447 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:35:19,447 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:35:19,447 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:35:19,447 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:35:19,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 13:35:19,466 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2022-12-13 13:35:19,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:19,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:19,471 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:19,471 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:19,471 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:35:19,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 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 13:35:19,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2022-12-13 13:35:19,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:19,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:19,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:19,476 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:19,480 INFO L748 eck$LassoCheckResult]: Stem: 27#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 21#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 84#valid_product_returnLabel#1true main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 33#L936true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 66#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 35#L65-2true [2022-12-13 13:35:19,481 INFO L750 eck$LassoCheckResult]: Loop: 35#L65-2true assume !false; 31#L66true assume test_~splverifierCounter~0#1 < 4; 104#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 52#L75true assume !(0 != test_~tmp~0#1); 103#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 82#L95true assume 0 != test_~tmp___2~0#1; 80#L101-2true assume { :begin_inline_timeShift } true; 58#L138true assume !(0 != ~pumpRunning~0); 86#L138-2true assume !(0 != ~systemActive~0); 60#L145-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 108#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 19#L327true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 98#L333-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 55#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 35#L65-2true [2022-12-13 13:35:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:19,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 13:35:19,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:19,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443405122] [2022-12-13 13:35:19,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:19,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:19,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:19,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1634798282, now seen corresponding path program 1 times [2022-12-13 13:35:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:19,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465676307] [2022-12-13 13:35:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:19,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:19,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:19,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:19,601 INFO L85 PathProgramCache]: Analyzing trace with hash -279379206, now seen corresponding path program 1 times [2022-12-13 13:35:19,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:19,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248879625] [2022-12-13 13:35:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:19,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:35:19,740 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 13:35:19,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:35:19,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248879625] [2022-12-13 13:35:19,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248879625] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:35:19,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:35:19,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:35:19,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19533923] [2022-12-13 13:35:19,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:35:19,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:35:19,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:35:19,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:35:19,889 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:35:19,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:35:19,985 INFO L93 Difference]: Finished difference Result 281 states and 362 transitions. [2022-12-13 13:35:19,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 362 transitions. [2022-12-13 13:35:19,991 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2022-12-13 13:35:19,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 251 states and 332 transitions. [2022-12-13 13:35:19,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2022-12-13 13:35:19,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2022-12-13 13:35:19,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 332 transitions. [2022-12-13 13:35:19,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:35:19,999 INFO L218 hiAutomatonCegarLoop]: Abstraction has 251 states and 332 transitions. [2022-12-13 13:35:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 332 transitions. [2022-12-13 13:35:20,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 157. [2022-12-13 13:35:20,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.3248407643312101) internal successors, (208), 156 states have internal predecessors, (208), 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 13:35:20,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 208 transitions. [2022-12-13 13:35:20,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 208 transitions. [2022-12-13 13:35:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 13:35:20,030 INFO L428 stractBuchiCegarLoop]: Abstraction has 157 states and 208 transitions. [2022-12-13 13:35:20,031 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:35:20,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 208 transitions. [2022-12-13 13:35:20,032 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2022-12-13 13:35:20,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:20,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:20,033 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:20,033 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:20,033 INFO L748 eck$LassoCheckResult]: Stem: 446#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 447#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 443#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 444#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 501#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 458#L936 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 459#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 460#L65-2 [2022-12-13 13:35:20,033 INFO L750 eck$LassoCheckResult]: Loop: 460#L65-2 assume !false; 454#L66 assume test_~splverifierCounter~0#1 < 4; 455#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 475#L75 assume !(0 != test_~tmp~0#1); 477#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 457#L85 assume !(0 != test_~tmp___0~0#1); 417#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 418#L95 assume 0 != test_~tmp___2~0#1; 499#L101-2 assume { :begin_inline_timeShift } true; 484#L138 assume !(0 != ~pumpRunning~0); 479#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 489#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 490#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 429#L170-1 assume { :end_inline_processEnvironment } true; 468#L145-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 488#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 438#L327 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 439#L333-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 481#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 460#L65-2 [2022-12-13 13:35:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 13:35:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674797088] [2022-12-13 13:35:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:20,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,051 INFO L85 PathProgramCache]: Analyzing trace with hash -313185568, now seen corresponding path program 1 times [2022-12-13 13:35:20,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025881188] [2022-12-13 13:35:20,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1988957852, now seen corresponding path program 1 times [2022-12-13 13:35:20,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539790306] [2022-12-13 13:35:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:35:20,130 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 13:35:20,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:35:20,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539790306] [2022-12-13 13:35:20,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539790306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:35:20,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:35:20,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 13:35:20,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671182420] [2022-12-13 13:35:20,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:35:20,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:35:20,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 13:35:20,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 13:35:20,205 INFO L87 Difference]: Start difference. First operand 157 states and 208 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:35:20,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:35:20,287 INFO L93 Difference]: Finished difference Result 546 states and 727 transitions. [2022-12-13 13:35:20,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 546 states and 727 transitions. [2022-12-13 13:35:20,291 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 412 [2022-12-13 13:35:20,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 546 states to 546 states and 727 transitions. [2022-12-13 13:35:20,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 546 [2022-12-13 13:35:20,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 546 [2022-12-13 13:35:20,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 546 states and 727 transitions. [2022-12-13 13:35:20,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:35:20,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 546 states and 727 transitions. [2022-12-13 13:35:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states and 727 transitions. [2022-12-13 13:35:20,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 307. [2022-12-13 13:35:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 307 states have (on average 1.3061889250814331) internal successors, (401), 306 states have internal predecessors, (401), 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 13:35:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 401 transitions. [2022-12-13 13:35:20,308 INFO L240 hiAutomatonCegarLoop]: Abstraction has 307 states and 401 transitions. [2022-12-13 13:35:20,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 13:35:20,310 INFO L428 stractBuchiCegarLoop]: Abstraction has 307 states and 401 transitions. [2022-12-13 13:35:20,310 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 13:35:20,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 307 states and 401 transitions. [2022-12-13 13:35:20,312 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2022-12-13 13:35:20,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:35:20,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:35:20,313 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:20,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:35:20,313 INFO L748 eck$LassoCheckResult]: Stem: 1169#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 1170#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 1165#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1166#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1243#valid_product_returnLabel#1 main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 1181#L936 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 1182#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1183#L65-2 [2022-12-13 13:35:20,313 INFO L750 eck$LassoCheckResult]: Loop: 1183#L65-2 assume !false; 1177#L66 assume test_~splverifierCounter~0#1 < 4; 1178#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1418#L75 assume !(0 != test_~tmp~0#1); 1414#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1410#L85 assume !(0 != test_~tmp___0~0#1); 1405#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1403#L95 assume 0 != test_~tmp___2~0#1; 1401#L101-2 assume { :begin_inline_timeShift } true; 1398#L138 assume !(0 != ~pumpRunning~0); 1244#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1224#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1226#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1195#L170-1 assume { :end_inline_processEnvironment } true; 1196#L145-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_#t~ret22#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1220#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret20#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 1161#L327 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1162#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret21#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret21#1;havoc __utac_acc__Specification3_spec__1_#t~ret21#1; 1387#L333 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1386#L333-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1212#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1183#L65-2 [2022-12-13 13:35:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 13:35:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791934752] [2022-12-13 13:35:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:20,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,331 INFO L85 PathProgramCache]: Analyzing trace with hash -322368461, now seen corresponding path program 1 times [2022-12-13 13:35:20,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578360227] [2022-12-13 13:35:20,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:35:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash 129300719, now seen corresponding path program 1 times [2022-12-13 13:35:20,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:35:20,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286241729] [2022-12-13 13:35:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:35:20,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:35:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:20,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:35:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:21,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:35:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:35:21,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:35:21 BoogieIcfgContainer [2022-12-13 13:35:21,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:35:21,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:35:21,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:35:21,066 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:35:21,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:35:19" (3/4) ... [2022-12-13 13:35:21,068 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:35:21,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:35:21,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:35:21,100 INFO L158 Benchmark]: Toolchain (without parser) took 2382.58ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 79.3MB in the beginning and 115.0MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:35:21,100 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:35:21,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.30ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 60.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.12ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 96.6MB in the end (delta: -35.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,101 INFO L158 Benchmark]: Boogie Preprocessor took 18.77ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,101 INFO L158 Benchmark]: RCFGBuilder took 339.84ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 76.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,101 INFO L158 Benchmark]: BuchiAutomizer took 1666.70ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 76.4MB in the beginning and 117.1MB in the end (delta: -40.7MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,102 INFO L158 Benchmark]: Witness Printer took 33.17ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:35:21,103 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 98.6MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.30ms. Allocated memory is still 123.7MB. Free memory was 79.0MB in the beginning and 60.7MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.12ms. Allocated memory is still 123.7MB. Free memory was 60.7MB in the beginning and 96.6MB in the end (delta: -35.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.77ms. Allocated memory is still 123.7MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.84ms. Allocated memory is still 123.7MB. Free memory was 94.5MB in the beginning and 76.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1666.70ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 76.4MB in the beginning and 117.1MB in the end (delta: -40.7MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Witness Printer took 33.17ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 307 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 333 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, 993 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 993 mSDsluCounter, 1665 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1336 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 329 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); [L325] RET, EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND FALSE !(tmp___0 == 2) [L153] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L765] int waterLevel = 1; [L766] int methaneLevelCritical = 0; [L854] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L928] int tmp ; [L932] FCALL select_helpers() [L933] FCALL select_features() [L934] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L934] RET, EXPR valid_product() [L934] tmp = valid_product() [L936] COND TRUE \read(tmp) [L938] FCALL setup() [L939] CALL runTest() [L921] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L319] int tmp ; [L320] int tmp___0 ; [L321] int tmp___1 ; [L325] CALL, EXPR isMethaneLevelCritical() [L804] int retValue_acc ; [L807] retValue_acc = methaneLevelCritical [L808] return (retValue_acc); [L325] RET, EXPR isMethaneLevelCritical() [L325] tmp = isMethaneLevelCritical() [L327] COND FALSE !(\read(tmp)) [L331] CALL, EXPR getWaterLevel() [L836] int retValue_acc ; [L839] retValue_acc = waterLevel [L840] return (retValue_acc); [L331] RET, EXPR getWaterLevel() [L331] tmp___0 = getWaterLevel() [L333] COND FALSE !(tmp___0 == 2) [L153] RET __utac_acc__Specification3_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:35:21,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94c5e1ba-c996-4a63-94a0-4f0b9f3d891d/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)