./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:15:53,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:15:53,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:15:53,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:15:53,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:15:53,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:15:53,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:15:53,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:15:53,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:15:53,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:15:53,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:15:53,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:15:53,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:15:53,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:15:53,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:15:53,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:15:53,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:15:53,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:15:53,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:15:53,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:15:53,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:15:53,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:15:53,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:15:53,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:15:53,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:15:53,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:15:53,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:15:53,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:15:53,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:15:53,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:15:53,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:15:53,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:15:53,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:15:53,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:15:53,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:15:53,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:15:53,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:15:53,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:15:53,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:15:53,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:15:53,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:15:53,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:15:53,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:15:53,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:15:53,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:15:53,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:15:53,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:15:53,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:15:53,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:15:53,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:15:53,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:15:53,902 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:15:53,903 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:15:53,903 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:15:53,903 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:15:53,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:15:53,904 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:15:53,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:15:53,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:15:53,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:15:53,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:15:53,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:15:53,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:15:53,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:15:53,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:15:53,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:15:53,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:15:53,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:15:53,914 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:15:53,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:15:53,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:15:53,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:15:53,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:15:53,915 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-11-23 02:15:54,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:15:54,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:15:54,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:15:54,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:15:54,238 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:15:54,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-11-23 02:15:54,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/data/1146d8683/d715c9056a8e4bfdaf9112c6e51a056b/FLAG76bc89c3c [2021-11-23 02:15:54,843 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:15:54,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-11-23 02:15:54,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/data/1146d8683/d715c9056a8e4bfdaf9112c6e51a056b/FLAG76bc89c3c [2021-11-23 02:15:55,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/data/1146d8683/d715c9056a8e4bfdaf9112c6e51a056b [2021-11-23 02:15:55,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:15:55,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:15:55,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:15:55,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:15:55,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:15:55,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119c6f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55, skipping insertion in model container [2021-11-23 02:15:55,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:15:55,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:15:55,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-11-23 02:15:55,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:15:55,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:15:55,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-11-23 02:15:55,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:15:55,706 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:15:55,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55 WrapperNode [2021-11-23 02:15:55,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:15:55,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:15:55,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:15:55,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:15:55,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,763 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 216 [2021-11-23 02:15:55,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:15:55,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:15:55,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:15:55,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:15:55,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:15:55,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:15:55,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:15:55,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:15:55,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (1/1) ... [2021-11-23 02:15:55,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:15:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:15:55,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:15:55,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:15:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:15:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 02:15:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 02:15:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:15:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:15:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:15:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:15:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 02:15:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 02:15:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:15:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:15:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 02:15:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 02:15:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:15:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:15:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:15:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:15:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:15:56,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:15:56,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:15:56,441 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:15:56,504 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:15:56,505 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:15:56,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:56 BoogieIcfgContainer [2021-11-23 02:15:56,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:15:56,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:15:56,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:15:56,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:15:56,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:15:55" (1/3) ... [2021-11-23 02:15:56,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16140c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:56, skipping insertion in model container [2021-11-23 02:15:56,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:15:55" (2/3) ... [2021-11-23 02:15:56,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16140c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:15:56, skipping insertion in model container [2021-11-23 02:15:56,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:56" (3/3) ... [2021-11-23 02:15:56,516 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-11-23 02:15:56,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:15:56,521 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:15:56,580 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:15:56,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:15:56,589 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:15:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 02:15:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 02:15:56,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:56,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:56,618 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:56,624 INFO L85 PathProgramCache]: Analyzing trace with hash -338479771, now seen corresponding path program 1 times [2021-11-23 02:15:56,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:56,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759000974] [2021-11-23 02:15:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:56,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:56,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:56,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759000974] [2021-11-23 02:15:56,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759000974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:56,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:56,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:15:56,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524923701] [2021-11-23 02:15:56,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:56,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:15:56,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:56,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:15:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:15:56,909 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:56,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:56,967 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2021-11-23 02:15:56,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:15:56,969 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-11-23 02:15:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:56,977 INFO L225 Difference]: With dead ends: 110 [2021-11-23 02:15:56,978 INFO L226 Difference]: Without dead ends: 51 [2021-11-23 02:15:56,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:15:56,985 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:56,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:15:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-11-23 02:15:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-11-23 02:15:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-23 02:15:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2021-11-23 02:15:57,025 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 16 [2021-11-23 02:15:57,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:57,025 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2021-11-23 02:15:57,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 02:15:57,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 02:15:57,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:57,028 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:57,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:15:57,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:57,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:57,030 INFO L85 PathProgramCache]: Analyzing trace with hash -145765619, now seen corresponding path program 1 times [2021-11-23 02:15:57,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:57,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123363251] [2021-11-23 02:15:57,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:57,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:57,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:57,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123363251] [2021-11-23 02:15:57,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123363251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:57,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:57,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:57,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150731559] [2021-11-23 02:15:57,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:57,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:57,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:57,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:57,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:57,119 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:57,157 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2021-11-23 02:15:57,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:57,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-23 02:15:57,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:57,160 INFO L225 Difference]: With dead ends: 74 [2021-11-23 02:15:57,160 INFO L226 Difference]: Without dead ends: 43 [2021-11-23 02:15:57,161 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:57,162 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:57,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 67 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:15:57,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-11-23 02:15:57,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-11-23 02:15:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:15:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2021-11-23 02:15:57,172 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 17 [2021-11-23 02:15:57,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:57,172 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2021-11-23 02:15:57,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,173 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2021-11-23 02:15:57,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:15:57,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:57,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:57,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:15:57,178 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:57,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:57,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1609597925, now seen corresponding path program 1 times [2021-11-23 02:15:57,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:57,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747711058] [2021-11-23 02:15:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:57,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:57,288 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:57,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747711058] [2021-11-23 02:15:57,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747711058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:57,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:57,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:57,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532002653] [2021-11-23 02:15:57,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:57,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:57,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:57,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:57,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:57,290 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:57,375 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-11-23 02:15:57,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:57,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-11-23 02:15:57,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:57,378 INFO L225 Difference]: With dead ends: 125 [2021-11-23 02:15:57,378 INFO L226 Difference]: Without dead ends: 84 [2021-11-23 02:15:57,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:57,381 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 41 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:57,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 96 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:15:57,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-11-23 02:15:57,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2021-11-23 02:15:57,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 63 states have internal predecessors, (71), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:15:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2021-11-23 02:15:57,401 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 20 [2021-11-23 02:15:57,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:57,401 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2021-11-23 02:15:57,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2021-11-23 02:15:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 02:15:57,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:57,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:15:57,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:15:57,404 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:57,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:57,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1942809068, now seen corresponding path program 1 times [2021-11-23 02:15:57,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:57,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512760397] [2021-11-23 02:15:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:57,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:57,475 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:57,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512760397] [2021-11-23 02:15:57,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512760397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:57,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:57,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:15:57,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382322151] [2021-11-23 02:15:57,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:57,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:15:57,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:57,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:15:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:15:57,478 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:57,684 INFO L93 Difference]: Finished difference Result 237 states and 306 transitions. [2021-11-23 02:15:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:15:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-23 02:15:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:57,687 INFO L225 Difference]: With dead ends: 237 [2021-11-23 02:15:57,687 INFO L226 Difference]: Without dead ends: 158 [2021-11-23 02:15:57,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:15:57,692 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 32 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:57,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 214 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:15:57,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-23 02:15:57,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 150. [2021-11-23 02:15:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.3505154639175259) internal successors, (131), 116 states have internal predecessors, (131), 30 states have call successors, (30), 22 states have call predecessors, (30), 22 states have return successors, (30), 20 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-23 02:15:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 191 transitions. [2021-11-23 02:15:57,732 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 191 transitions. Word has length 23 [2021-11-23 02:15:57,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:57,733 INFO L470 AbstractCegarLoop]: Abstraction has 150 states and 191 transitions. [2021-11-23 02:15:57,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-23 02:15:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 191 transitions. [2021-11-23 02:15:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 02:15:57,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:57,736 INFO L514 BasicCegarLoop]: trace 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] [2021-11-23 02:15:57,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:15:57,736 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:15:57,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:57,737 INFO L85 PathProgramCache]: Analyzing trace with hash -222720213, now seen corresponding path program 1 times [2021-11-23 02:15:57,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:57,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404362367] [2021-11-23 02:15:57,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:57,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:15:57,805 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:57,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404362367] [2021-11-23 02:15:57,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404362367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:57,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:57,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:15:57,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887772694] [2021-11-23 02:15:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:57,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:15:57,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:57,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:15:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:15:57,808 INFO L87 Difference]: Start difference. First operand 150 states and 191 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:15:57,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:57,873 INFO L93 Difference]: Finished difference Result 276 states and 351 transitions. [2021-11-23 02:15:57,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:15:57,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2021-11-23 02:15:57,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:57,875 INFO L225 Difference]: With dead ends: 276 [2021-11-23 02:15:57,875 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:15:57,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:15:57,879 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 24 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:57,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 57 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:15:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:15:57,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:15:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:15:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:15:57,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-23 02:15:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:57,881 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:15:57,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:15:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:15:57,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:15:57,884 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:15:57,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:15:57,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:15:58,256 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: true [2021-11-23 02:15:58,256 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2021-11-23 02:15:58,257 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 782 788) no Hoare annotation was computed. [2021-11-23 02:15:58,257 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 782 788) the Hoare annotation is: true [2021-11-23 02:15:58,257 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 130 141) the Hoare annotation is: true [2021-11-23 02:15:58,257 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 130 141) no Hoare annotation was computed. [2021-11-23 02:15:58,257 INFO L858 garLoopResultBuilder]: For program point L762-1(lines 761 780) no Hoare annotation was computed. [2021-11-23 02:15:58,257 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:15:58,258 INFO L854 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:15:58,258 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 212) no Hoare annotation was computed. [2021-11-23 02:15:58,258 INFO L854 garLoopResultBuilder]: At program point L202(lines 202 215) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2021-11-23 02:15:58,258 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:15:58,263 INFO L854 garLoopResultBuilder]: At program point L202-1(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2021-11-23 02:15:58,264 INFO L854 garLoopResultBuilder]: At program point L809-1(lines 790 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:15:58,264 INFO L858 garLoopResultBuilder]: For program point L769-1(lines 769 775) no Hoare annotation was computed. [2021-11-23 02:15:58,265 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 806) no Hoare annotation was computed. [2021-11-23 02:15:58,265 INFO L854 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 02:15:58,265 INFO L854 garLoopResultBuilder]: At program point L794(lines 794 811) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:15:58,267 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 758 781) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:15:58,267 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 758 781) no Hoare annotation was computed. [2021-11-23 02:15:58,267 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-23 02:15:58,268 INFO L854 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 02:15:58,268 INFO L858 garLoopResultBuilder]: For program point L200-1(line 200) no Hoare annotation was computed. [2021-11-23 02:15:58,268 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2021-11-23 02:15:58,268 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 222 251) the Hoare annotation is: true [2021-11-23 02:15:58,269 INFO L861 garLoopResultBuilder]: At program point L247(lines 222 251) the Hoare annotation is: true [2021-11-23 02:15:58,269 INFO L858 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-11-23 02:15:58,269 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-11-23 02:15:58,269 INFO L861 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2021-11-23 02:15:58,269 INFO L861 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2021-11-23 02:15:58,270 INFO L861 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2021-11-23 02:15:58,270 INFO L858 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2021-11-23 02:15:58,270 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 142 150) the Hoare annotation is: true [2021-11-23 02:15:58,270 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 142 150) no Hoare annotation was computed. [2021-11-23 02:15:58,270 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-11-23 02:15:58,271 INFO L854 garLoopResultBuilder]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:15:58,271 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:15:58,271 INFO L858 garLoopResultBuilder]: For program point L697(lines 696 743) no Hoare annotation was computed. [2021-11-23 02:15:58,271 INFO L858 garLoopResultBuilder]: For program point L726(lines 726 739) no Hoare annotation was computed. [2021-11-23 02:15:58,274 INFO L854 garLoopResultBuilder]: At program point L305(lines 305 312) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 02:15:58,275 INFO L861 garLoopResultBuilder]: At program point L305-2(lines 305 312) the Hoare annotation is: true [2021-11-23 02:15:58,278 INFO L854 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:15:58,278 INFO L861 garLoopResultBuilder]: At program point L747(lines 686 751) the Hoare annotation is: true [2021-11-23 02:15:58,279 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2021-11-23 02:15:58,279 INFO L858 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-11-23 02:15:58,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:15:58,279 INFO L854 garLoopResultBuilder]: At program point L744(lines 695 745) the Hoare annotation is: false [2021-11-23 02:15:58,281 INFO L854 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2021-11-23 02:15:58,282 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-11-23 02:15:58,282 INFO L854 garLoopResultBuilder]: At program point L732-2(lines 726 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:15:58,282 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-11-23 02:15:58,282 INFO L858 garLoopResultBuilder]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2021-11-23 02:15:58,283 INFO L854 garLoopResultBuilder]: At program point L741(lines 696 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:15:58,283 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 02:15:58,285 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 118 129) no Hoare annotation was computed. [2021-11-23 02:15:58,285 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 118 129) the Hoare annotation is: true [2021-11-23 02:15:58,288 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 02:15:58,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:15:58,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:15:58 BoogieIcfgContainer [2021-11-23 02:15:58,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:15:58,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:15:58,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:15:58,316 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:15:58,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:15:56" (3/4) ... [2021-11-23 02:15:58,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:15:58,324 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 02:15:58,325 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:15:58,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 02:15:58,345 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 02:15:58,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:15:58,346 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:15:58,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:15:58,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:15:58,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:15:58,379 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:15:58,380 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:15:58,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 02:15:58,381 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2021-11-23 02:15:58,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2021-11-23 02:15:58,383 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 02:15:58,411 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:15:58,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:15:58,412 INFO L158 Benchmark]: Toolchain (without parser) took 3240.65ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 70.9MB in the beginning and 106.6MB in the end (delta: -35.7MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,413 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:15:58,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.01ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 79.2MB in the end (delta: -8.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.32ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,414 INFO L158 Benchmark]: Boogie Preprocessor took 58.86ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,414 INFO L158 Benchmark]: RCFGBuilder took 683.37ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 56.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,415 INFO L158 Benchmark]: TraceAbstraction took 1806.37ms. Allocated memory is still 109.1MB. Free memory was 56.1MB in the beginning and 43.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,415 INFO L158 Benchmark]: Witness Printer took 95.69ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 106.6MB in the end (delta: -62.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:15:58,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory was 88.2MB in the beginning and 88.2MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.01ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 79.2MB in the end (delta: -8.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.32ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 76.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.86ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 75.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.37ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 56.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.37ms. Allocated memory is still 109.1MB. Free memory was 56.1MB in the beginning and 43.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 95.69ms. Allocated memory was 109.1MB in the beginning and 136.3MB in the end (delta: 27.3MB). Free memory was 43.7MB in the beginning and 106.6MB in the end (delta: -62.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 490 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 321 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 231 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 253 PreInvPairs, 290 NumberOfFragments, 154 HoareAnnotationTreeSize, 253 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 843 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:15:58,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2024619c-d419-451c-a1b2-606fdd39d388/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE