./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh --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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- 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 [2022-12-14 05:25:21,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:25:21,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:25:21,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:25:21,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:25:21,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:25:21,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:25:21,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:25:21,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:25:21,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:25:21,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:25:21,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:25:21,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:25:21,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:25:21,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:25:21,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:25:21,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:25:21,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:25:21,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:25:21,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:25:21,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:25:21,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:25:21,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:25:21,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:25:21,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:25:21,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:25:21,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:25:21,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:25:21,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:25:21,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:25:21,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:25:21,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:25:21,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:25:21,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:25:21,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:25:21,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:25:21,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:25:21,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:25:21,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:25:21,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:25:21,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:25:21,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:25:21,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:25:21,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:25:21,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:25:21,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:25:21,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:25:21,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:25:21,969 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:25:21,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:25:21,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:25:21,970 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:25:21,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:25:21,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:25:21,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:25:21,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:25:21,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:25:21,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:25:21,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:25:21,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2022-12-14 05:25:22,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:25:22,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:25:22,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:25:22,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:25:22,216 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:25:22,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-12-14 05:25:24,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:25:24,871 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:25:24,871 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-12-14 05:25:24,879 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/data/bc92d458b/98894da7ee404e5892dcc68bbf04606a/FLAG0686d2945 [2022-12-14 05:25:25,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/data/bc92d458b/98894da7ee404e5892dcc68bbf04606a [2022-12-14 05:25:25,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:25:25,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:25:25,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:25,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:25:25,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:25:25,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1756a8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25, skipping insertion in model container [2022-12-14 05:25:25,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:25:25,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:25:25,466 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_61959baf-7633-4b8c-8fc4-006890d0c046/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-12-14 05:25:25,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:25:25,477 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:25:25,519 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_61959baf-7633-4b8c-8fc4-006890d0c046/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-12-14 05:25:25,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:25:25,531 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:25:25,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25 WrapperNode [2022-12-14 05:25:25,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:25:25,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:25:25,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:25:25,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:25:25,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,562 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 135 [2022-12-14 05:25:25,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:25:25,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:25:25,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:25:25,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:25:25,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:25:25,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:25:25,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:25:25,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:25:25,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (1/1) ... [2022-12-14 05:25:25,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:25:25,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:25:25,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:25:25,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-14 05:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-14 05:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-14 05:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-14 05:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-14 05:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-14 05:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-14 05:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-14 05:25:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:25:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-14 05:25:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-14 05:25:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:25:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:25:25,704 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:25:25,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:25:25,847 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:25:25,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:25:25,939 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:25:25,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:25:25 BoogieIcfgContainer [2022-12-14 05:25:25,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:25:25,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:25:25,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:25:25,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:25:25,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:25:25" (1/3) ... [2022-12-14 05:25:25,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4087af57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:25:25, skipping insertion in model container [2022-12-14 05:25:25,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:25:25" (2/3) ... [2022-12-14 05:25:25,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4087af57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:25:25, skipping insertion in model container [2022-12-14 05:25:25,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:25:25" (3/3) ... [2022-12-14 05:25:25,951 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2022-12-14 05:25:25,967 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:25:25,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:25:26,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:25:26,008 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e01109, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:25:26,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:25:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 05:25:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:25:26,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:26,018 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:25:26,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:25:26,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -595159820, now seen corresponding path program 1 times [2022-12-14 05:25:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:26,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81861062] [2022-12-14 05:25:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:25:26,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:26,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81861062] [2022-12-14 05:25:26,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81861062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:26,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:26,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:25:26,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208026529] [2022-12-14 05:25:26,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:26,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:25:26,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:26,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:25:26,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:25:26,218 INFO L87 Difference]: Start difference. First operand has 42 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 31 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:26,269 INFO L93 Difference]: Finished difference Result 82 states and 109 transitions. [2022-12-14 05:25:26,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:25:26,271 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-12-14 05:25:26,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:26,278 INFO L225 Difference]: With dead ends: 82 [2022-12-14 05:25:26,278 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 05:25:26,281 INFO L412 NwaCegarLoop]: 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 [2022-12-14 05:25:26,283 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:26,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:25:26,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 05:25:26,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 05:25:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 05:25:26,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2022-12-14 05:25:26,311 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 19 [2022-12-14 05:25:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:26,311 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2022-12-14 05:25:26,311 INFO L496 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,311 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-12-14 05:25:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 05:25:26,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:26,313 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:25:26,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:25:26,313 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:25:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:26,314 INFO L85 PathProgramCache]: Analyzing trace with hash -360733062, now seen corresponding path program 1 times [2022-12-14 05:25:26,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:26,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581368982] [2022-12-14 05:25:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:26,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 05:25:26,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:26,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581368982] [2022-12-14 05:25:26,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581368982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:26,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:26,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:25:26,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948091754] [2022-12-14 05:25:26,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:26,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:25:26,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:26,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:25:26,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:25:26,401 INFO L87 Difference]: Start difference. First operand 37 states and 45 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:26,426 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-12-14 05:25:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:25:26,427 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-12-14 05:25:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:26,427 INFO L225 Difference]: With dead ends: 51 [2022-12-14 05:25:26,427 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 05:25:26,428 INFO L412 NwaCegarLoop]: 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 [2022-12-14 05:25:26,428 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 7 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:26,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 41 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:25:26,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 05:25:26,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 05:25:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.263157894736842) internal successors, (24), 22 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:25:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2022-12-14 05:25:26,433 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 20 [2022-12-14 05:25:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:26,433 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2022-12-14 05:25:26,433 INFO L496 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-12-14 05:25:26,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 05:25:26,434 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:26,434 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:25:26,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:25:26,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:25:26,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:26,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1669274833, now seen corresponding path program 1 times [2022-12-14 05:25:26,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:26,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414044950] [2022-12-14 05:25:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:26,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 05:25:26,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:26,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414044950] [2022-12-14 05:25:26,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414044950] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:26,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:26,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:25:26,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394749025] [2022-12-14 05:25:26,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:26,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:25:26,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:26,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:25:26,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:25:26,567 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:26,649 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-12-14 05:25:26,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:25:26,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-12-14 05:25:26,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:26,650 INFO L225 Difference]: With dead ends: 55 [2022-12-14 05:25:26,650 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:25:26,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:25:26,651 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:26,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:25:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:25:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:25:26,652 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) [2022-12-14 05:25:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:25:26,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-12-14 05:25:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:26,652 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:25:26,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:25:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:25:26,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:25:26,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:25:26,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:25:26,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:25:26,722 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2022-12-14 05:25:26,723 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-12-14 05:25:26,723 INFO L902 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: true [2022-12-14 05:25:26,723 INFO L899 garLoopResultBuilder]: For program point L672-1(line 672) no Hoare annotation was computed. [2022-12-14 05:25:26,723 INFO L902 garLoopResultBuilder]: At program point L657(line 657) the Hoare annotation is: true [2022-12-14 05:25:26,723 INFO L902 garLoopResultBuilder]: At program point L657-1(line 657) the Hoare annotation is: true [2022-12-14 05:25:26,723 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 762 788) the Hoare annotation is: true [2022-12-14 05:25:26,723 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 684) no Hoare annotation was computed. [2022-12-14 05:25:26,724 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 687) no Hoare annotation was computed. [2022-12-14 05:25:26,724 INFO L902 garLoopResultBuilder]: At program point L670-1(lines 662 690) the Hoare annotation is: true [2022-12-14 05:25:26,724 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 762 788) no Hoare annotation was computed. [2022-12-14 05:25:26,724 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2022-12-14 05:25:26,724 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2022-12-14 05:25:26,724 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 681) no Hoare annotation was computed. [2022-12-14 05:25:26,724 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 138 167) no Hoare annotation was computed. [2022-12-14 05:25:26,725 INFO L899 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2022-12-14 05:25:26,725 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 156) no Hoare annotation was computed. [2022-12-14 05:25:26,725 INFO L902 garLoopResultBuilder]: At program point L152-1(lines 152 156) the Hoare annotation is: true [2022-12-14 05:25:26,725 INFO L902 garLoopResultBuilder]: At program point L148-2(lines 148 162) the Hoare annotation is: true [2022-12-14 05:25:26,725 INFO L902 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: true [2022-12-14 05:25:26,725 INFO L899 garLoopResultBuilder]: For program point L144-1(line 144) no Hoare annotation was computed. [2022-12-14 05:25:26,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 167) the Hoare annotation is: true [2022-12-14 05:25:26,725 INFO L902 garLoopResultBuilder]: At program point L163(lines 138 167) the Hoare annotation is: true [2022-12-14 05:25:26,726 INFO L895 garLoopResultBuilder]: At program point L226(lines 226 233) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (<= 0 ~pumpRunning~0)) [2022-12-14 05:25:26,726 INFO L895 garLoopResultBuilder]: At program point L738-2(lines 732 743) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 05:25:26,726 INFO L902 garLoopResultBuilder]: At program point L226-2(lines 226 233) the Hoare annotation is: true [2022-12-14 05:25:26,726 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-12-14 05:25:26,726 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-12-14 05:25:26,726 INFO L902 garLoopResultBuilder]: At program point L751(lines 692 755) the Hoare annotation is: true [2022-12-14 05:25:26,726 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 05:25:26,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:25:26,727 INFO L895 garLoopResultBuilder]: At program point L748(lines 701 749) the Hoare annotation is: false [2022-12-14 05:25:26,727 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 05:25:26,727 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 747) no Hoare annotation was computed. [2022-12-14 05:25:26,727 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 05:25:26,727 INFO L895 garLoopResultBuilder]: At program point L745(lines 702 747) the Hoare annotation is: (and (<= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~pumpRunning~0)) [2022-12-14 05:25:26,728 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-12-14 05:25:26,728 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-12-14 05:25:26,728 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-12-14 05:25:26,728 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: true [2022-12-14 05:25:26,728 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2022-12-14 05:25:26,728 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 823 831) the Hoare annotation is: true [2022-12-14 05:25:26,731 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 05:25:26,733 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:25:26,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:25:26 BoogieIcfgContainer [2022-12-14 05:25:26,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:25:26,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:25:26,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:25:26,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:25:26,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:25:25" (3/4) ... [2022-12-14 05:25:26,745 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:25:26,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-14 05:25:26,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-14 05:25:26,749 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-14 05:25:26,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-14 05:25:26,750 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-14 05:25:26,753 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-12-14 05:25:26,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 05:25:26,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 05:25:26,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:25:26,754 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:25:26,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:25:26,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:25:26,786 INFO L158 Benchmark]: Toolchain (without parser) took 1510.78ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 99.3MB in the beginning and 78.4MB in the end (delta: 21.0MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,786 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:25:26,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.46ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 81.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.60ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,786 INFO L158 Benchmark]: Boogie Preprocessor took 17.28ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,787 INFO L158 Benchmark]: RCFGBuilder took 361.43ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 58.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,787 INFO L158 Benchmark]: TraceAbstraction took 797.60ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 82.6MB in the end (delta: -25.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,787 INFO L158 Benchmark]: Witness Printer took 42.68ms. Allocated memory is still 165.7MB. Free memory was 82.6MB in the beginning and 78.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:25:26,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.46ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 81.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.60ms. Allocated memory is still 136.3MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.28ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 77.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.43ms. Allocated memory is still 136.3MB. Free memory was 77.9MB in the beginning and 58.2MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 797.60ms. Allocated memory was 136.3MB in the beginning and 165.7MB in the end (delta: 29.4MB). Free memory was 57.4MB in the beginning and 82.6MB in the end (delta: -25.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 42.68ms. Allocated memory is still 165.7MB. Free memory was 82.6MB in the beginning and 78.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: 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: 873]: 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 6 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 84 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 75 PreInvPairs, 84 NumberOfFragments, 73 HoareAnnotationTreeSize, 75 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: pumpRunning <= 0 && 0 <= pumpRunning - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: !(0 <= pumpRunning) || !(pumpRunning <= 0) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (pumpRunning <= 0 && splverifierCounter == 0) && 0 <= pumpRunning RESULT: Ultimate proved your program to be correct! [2022-12-14 05:25:26,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61959baf-7633-4b8c-8fc4-006890d0c046/bin/utaipan-gh47qXpMRh/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