./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW --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 f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 --- 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-4e7fbc6 [2022-11-23 14:48:43,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:48:43,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:48:43,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:48:43,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:48:43,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:48:43,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:48:43,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:48:43,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:48:43,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:48:43,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:48:43,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:48:43,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:48:43,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:48:43,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:48:43,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:48:43,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:48:43,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:48:43,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:48:44,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:48:44,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:48:44,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:48:44,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:48:44,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:48:44,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:48:44,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:48:44,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:48:44,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:48:44,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:48:44,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:48:44,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:48:44,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:48:44,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:48:44,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:48:44,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:48:44,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:48:44,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:48:44,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:48:44,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:48:44,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:48:44,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:48:44,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:48:44,066 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:48:44,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:48:44,070 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:48:44,070 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:48:44,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:48:44,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:48:44,072 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:48:44,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:48:44,072 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:48:44,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:48:44,073 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:48:44,074 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:48:44,074 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:48:44,074 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:48:44,074 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:48:44,075 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:48:44,075 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:48:44,075 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:48:44,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:48:44,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:48:44,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:48:44,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:48:44,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:48:44,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:48:44,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:48:44,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:48:44,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:48:44,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:48:44,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:48:44,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:48:44,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:48:44,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:48:44,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:48:44,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:48:44,080 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:48:44,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:48:44,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:48:44,082 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:48:44,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:48:44,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:48:44,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:48:44,082 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_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 [2022-11-23 14:48:44,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:48:44,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:48:44,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:48:44,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:48:44,437 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:48:44,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2022-11-23 14:48:47,505 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:48:47,798 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:48:47,799 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2022-11-23 14:48:47,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/data/14954cd9d/90a77a18da3841bf80e150ab0914eeb7/FLAGf76578466 [2022-11-23 14:48:47,837 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/data/14954cd9d/90a77a18da3841bf80e150ab0914eeb7 [2022-11-23 14:48:47,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:48:47,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:48:47,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:48:47,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:48:47,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:48:47,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:47" (1/1) ... [2022-11-23 14:48:47,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb6394e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:47, skipping insertion in model container [2022-11-23 14:48:47,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:48:47" (1/1) ... [2022-11-23 14:48:47,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:48:47,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:48:48,341 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_61ad9d72-4c8e-4041-8c64-c334453b8ba7/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[17234,17247] [2022-11-23 14:48:48,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:48:48,371 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:48:48,464 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_61ad9d72-4c8e-4041-8c64-c334453b8ba7/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[17234,17247] [2022-11-23 14:48:48,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:48:48,482 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:48:48,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48 WrapperNode [2022-11-23 14:48:48,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:48:48,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:48:48,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:48:48,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:48:48,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,549 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 140 [2022-11-23 14:48:48,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:48:48,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:48:48,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:48:48,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:48:48,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,588 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:48:48,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:48:48,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:48:48,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:48:48,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (1/1) ... [2022-11-23 14:48:48,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:48:48,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:48:48,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:48:48,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:48:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:48:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 14:48:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 14:48:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 14:48:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 14:48:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 14:48:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 14:48:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:48:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 14:48:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 14:48:48,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:48:48,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:48:48,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:48:48,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:48:49,089 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:48:49,299 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:48:49,300 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 14:48:49,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:49 BoogieIcfgContainer [2022-11-23 14:48:49,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:48:49,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:48:49,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:48:49,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:48:49,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:48:47" (1/3) ... [2022-11-23 14:48:49,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132feea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:49, skipping insertion in model container [2022-11-23 14:48:49,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:48:48" (2/3) ... [2022-11-23 14:48:49,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132feea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:48:49, skipping insertion in model container [2022-11-23 14:48:49,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:49" (3/3) ... [2022-11-23 14:48:49,323 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2022-11-23 14:48:49,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:48:49,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:48:49,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:48:49,441 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;@67402ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:48:49,442 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:48:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 14:48:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 14:48:49,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:49,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:49,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:49,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:49,470 INFO L85 PathProgramCache]: Analyzing trace with hash -195713607, now seen corresponding path program 1 times [2022-11-23 14:48:49,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:49,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323505482] [2022-11-23 14:48:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:49,766 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:49,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323505482] [2022-11-23 14:48:49,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323505482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:49,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:49,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:48:49,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421027438] [2022-11-23 14:48:49,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:49,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:48:49,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:49,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:48:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:48:49,845 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:49,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:49,906 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-23 14:48:49,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:48:49,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 14:48:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:49,917 INFO L225 Difference]: With dead ends: 68 [2022-11-23 14:48:49,917 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 14:48:49,920 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 [2022-11-23 14:48:49,924 INFO L413 NwaCegarLoop]: 30 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, 30 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 [2022-11-23 14:48:49,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:48:49,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 14:48:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 14:48:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:48:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-23 14:48:49,978 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-11-23 14:48:49,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:49,979 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-23 14:48:49,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-23 14:48:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:48:49,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:49,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:49,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:48:49,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:49,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 981106950, now seen corresponding path program 1 times [2022-11-23 14:48:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:49,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766090779] [2022-11-23 14:48:49,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:50,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:50,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766090779] [2022-11-23 14:48:50,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766090779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:50,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:50,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216275328] [2022-11-23 14:48:50,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:50,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:48:50,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:48:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:48:50,153 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:50,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:50,183 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-23 14:48:50,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:48:50,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:48:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:50,185 INFO L225 Difference]: With dead ends: 37 [2022-11-23 14:48:50,185 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 14:48:50,185 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 [2022-11-23 14:48:50,187 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 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 [2022-11-23 14:48:50,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:48:50,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 14:48:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 14:48:50,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:48:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-23 14:48:50,193 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-23 14:48:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:50,194 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-23 14:48:50,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-23 14:48:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:48:50,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:50,195 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:50,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:48:50,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:50,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:50,196 INFO L85 PathProgramCache]: Analyzing trace with hash 990403473, now seen corresponding path program 1 times [2022-11-23 14:48:50,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:50,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364906649] [2022-11-23 14:48:50,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:50,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:50,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:50,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364906649] [2022-11-23 14:48:50,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364906649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:50,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:50,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:48:50,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932580049] [2022-11-23 14:48:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:50,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:48:50,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:48:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:48:50,549 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:50,620 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-11-23 14:48:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:48:50,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 14:48:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:50,624 INFO L225 Difference]: With dead ends: 58 [2022-11-23 14:48:50,624 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 14:48:50,625 INFO L412 NwaCegarLoop]: 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 [2022-11-23 14:48:50,626 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:50,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 52 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:48:50,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 14:48:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-23 14:48:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 14:48:50,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-11-23 14:48:50,640 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2022-11-23 14:48:50,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:50,641 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-11-23 14:48:50,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:48:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-23 14:48:50,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 14:48:50,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:50,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:50,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:48:50,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:50,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash 79562409, now seen corresponding path program 1 times [2022-11-23 14:48:50,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:50,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58444526] [2022-11-23 14:48:50,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:50,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:51,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:51,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58444526] [2022-11-23 14:48:51,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58444526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:51,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:48:51,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:48:51,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260831712] [2022-11-23 14:48:51,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:51,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 14:48:51,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:51,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 14:48:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:48:51,050 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-23 14:48:51,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:48:51,242 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-11-23 14:48:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:48:51,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 16 [2022-11-23 14:48:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:48:51,247 INFO L225 Difference]: With dead ends: 81 [2022-11-23 14:48:51,247 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 14:48:51,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:48:51,259 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:48:51,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:48:51,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 14:48:51,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2022-11-23 14:48:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 14:48:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-11-23 14:48:51,271 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 16 [2022-11-23 14:48:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:48:51,272 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-11-23 14:48:51,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-23 14:48:51,272 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-11-23 14:48:51,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 14:48:51,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:48:51,274 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:48:51,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:48:51,274 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:48:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:48:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash -497527949, now seen corresponding path program 1 times [2022-11-23 14:48:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:48:51,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978938451] [2022-11-23 14:48:51,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:51,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:48:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:51,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:48:51,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978938451] [2022-11-23 14:48:51,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978938451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:48:51,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462514043] [2022-11-23 14:48:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:48:51,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:48:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:48:51,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:48:51,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:48:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:48:51,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 14:48:51,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:48:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:52,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:48:53,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:48:53,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462514043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:48:53,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1834960118] [2022-11-23 14:48:53,424 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-23 14:48:53,424 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:48:53,428 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:48:53,434 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:48:53,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:48:56,164 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-23 14:48:56,175 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-23 14:48:56,227 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:48:58,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1834960118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:48:58,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:48:58,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9, 9, 11] total 39 [2022-11-23 14:48:58,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552485802] [2022-11-23 14:48:58,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:48:58,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 14:48:58,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:48:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 14:48:58,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1351, Unknown=0, NotChecked=0, Total=1560 [2022-11-23 14:48:58,513 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:49:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:02,598 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2022-11-23 14:49:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 14:49:02,601 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-23 14:49:02,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:02,602 INFO L225 Difference]: With dead ends: 104 [2022-11-23 14:49:02,602 INFO L226 Difference]: Without dead ends: 102 [2022-11-23 14:49:02,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=337, Invalid=2315, Unknown=0, NotChecked=0, Total=2652 [2022-11-23 14:49:02,605 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 66 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:02,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 86 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:49:02,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-23 14:49:02,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 85. [2022-11-23 14:49:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 66 states have internal predecessors, (73), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 14:49:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2022-11-23 14:49:02,632 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 27 [2022-11-23 14:49:02,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:02,632 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2022-11-23 14:49:02,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:49:02,633 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-11-23 14:49:02,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 14:49:02,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:49:02,634 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:49:02,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:49:02,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:49:02,841 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:49:02,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:49:02,842 INFO L85 PathProgramCache]: Analyzing trace with hash 855088607, now seen corresponding path program 1 times [2022-11-23 14:49:02,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:49:02,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555281788] [2022-11-23 14:49:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:02,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:49:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:03,220 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:03,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:49:03,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555281788] [2022-11-23 14:49:03,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555281788] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:49:03,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979990040] [2022-11-23 14:49:03,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:49:03,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:49:03,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:49:03,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:49:03,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:49:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:49:03,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 14:49:03,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:49:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:03,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:49:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:49:04,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979990040] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:49:04,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [977355686] [2022-11-23 14:49:04,491 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-23 14:49:04,491 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:49:04,492 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:49:04,492 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:49:04,492 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:49:07,775 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2022-11-23 14:49:07,783 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-23 14:49:07,835 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 24 for LOIs [2022-11-23 14:49:07,838 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:49:11,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [977355686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:49:11,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:49:11,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10, 9, 12] total 42 [2022-11-23 14:49:11,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692995921] [2022-11-23 14:49:11,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:49:11,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 14:49:11,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:49:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 14:49:11,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1510, Unknown=0, NotChecked=0, Total=1722 [2022-11-23 14:49:11,221 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:49:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:49:18,263 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2022-11-23 14:49:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 14:49:18,264 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2022-11-23 14:49:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:49:18,265 INFO L225 Difference]: With dead ends: 125 [2022-11-23 14:49:18,265 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:49:18,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=428, Invalid=3232, Unknown=0, NotChecked=0, Total=3660 [2022-11-23 14:49:18,274 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 54 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:49:18,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 98 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:49:18,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:49:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:49:18,277 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) [2022-11-23 14:49:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:49:18,277 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-23 14:49:18,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:49:18,278 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:49:18,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:49:18,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:49:18,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:49:18,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:49:18,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 14:49:18,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:49:18,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:49:23,927 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= ~head~0.offset 0)) (not (= |#NULL.base| 0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 14:49:23,928 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-23 14:49:23,928 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-11-23 14:49:23,928 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-11-23 14:49:23,928 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-11-23 14:49:23,928 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-11-23 14:49:23,928 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-11-23 14:49:23,929 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-11-23 14:49:23,929 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-11-23 14:49:23,929 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-11-23 14:49:23,929 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-11-23 14:49:23,930 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 14:49:23,930 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-11-23 14:49:23,930 INFO L895 garLoopResultBuilder]: At program point L146(lines 146 159) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (<= ~systemActive~0 1))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (= |#NULL.base| 0))) (.cse6 (not (<= 0 |#StackHeapBarrier|))) (.cse7 (not (= ~head~0.base 0))) (.cse8 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |timeShift_getWaterLevel_#res#1| 2147483647) .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6 .cse7 .cse8))) [2022-11-23 14:49:23,931 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (let ((.cse0 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| |timeShift_getWaterLevel_#res#1|)) (.cse1 (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0)) (.cse3 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 0)) (.cse2 (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (and (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~3#1|) .cse0 .cse1 .cse2 (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~3#1|) .cse3 .cse4 (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification4_spec__1_~tmp___0~0#1|)) (not (<= 0 |#StackHeapBarrier|)) (and .cse0 .cse1 (not .cse3) .cse2 (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) .cse4 (<= |timeShift_getWaterLevel_#res#1| 2147483647)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2022-11-23 14:49:23,931 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 243 266) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 14:49:23,931 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 243 266) no Hoare annotation was computed. [2022-11-23 14:49:23,931 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2022-11-23 14:49:23,932 INFO L895 garLoopResultBuilder]: At program point L225(lines 178 227) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~cleanupTimeShifts~0 4)) (.cse4 (= |#NULL.base| 0))) (or (and (<= ~head~0.offset 0) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~5#1|) (let ((.cse0 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and (not .cse0) .cse1) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) .cse0 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse2 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (<= ~systemActive~0 1) .cse3 .cse4) (let ((.cse5 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) .cse1 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse2 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse5 0) 48) (= (select |#valid| 6) 1) (= (select .cse5 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) .cse3 .cse4)))) [2022-11-23 14:49:23,933 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 194) no Hoare annotation was computed. [2022-11-23 14:49:23,933 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2022-11-23 14:49:23,933 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:49:23,933 INFO L902 garLoopResultBuilder]: At program point L231(lines 168 235) the Hoare annotation is: true [2022-11-23 14:49:23,933 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2022-11-23 14:49:23,934 INFO L895 garLoopResultBuilder]: At program point L198-1(lines 198 204) the Hoare annotation is: (let ((.cse15 (= |ULTIMATE.start_test_~tmp___0~1#1| 0))) (let ((.cse13 (= ~waterLevel~0 1)) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse25 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse0 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse1 (= ~pumpRunning~0 0)) (.cse20 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648))) (.cse2 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~head~0.offset 0)) (.cse26 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse6 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse21 (not .cse15)) (.cse8 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse22 (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647)) (.cse10 (<= 0 ~methaneLevelCritical~0)) (.cse27 (<= ~waterLevel~0 2147483647)) (.cse11 (= ~head~0.base 0)) (.cse12 (= |#NULL.offset| 0)) (.cse23 (<= 0 |#StackHeapBarrier|)) (.cse16 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse24 (<= ~systemActive~0 1)) (.cse17 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (let ((.cse14 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) .cse0 (= (select |#valid| 15) 1) .cse1 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) .cse2 (= (select |#valid| 11) 1) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse3 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse4 (= 30 (select |#length| 13)) .cse5 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse6 .cse7 .cse8 (= (select |#valid| 4) 1) .cse9 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse10 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse11 (= (select |#valid| 2) 1) .cse12 (= 9 (select |#length| 11)) .cse13 (= (select .cse14 0) 48) .cse15 (= (select |#valid| 6) 1) (= (select .cse14 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse16 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse17 .cse18 .cse19)) (and .cse0 .cse1 .cse20 .cse2 .cse3 .cse4 .cse6 .cse21 .cse8 .cse9 .cse22 .cse10 .cse11 .cse12 .cse13 .cse23 .cse16 .cse24 .cse17 .cse18 .cse19) (and .cse25 .cse0 .cse1 .cse2 .cse3 .cse26 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse27 .cse11 .cse12 .cse15 .cse23 .cse16 .cse24 .cse17 .cse18 .cse19) (and (<= ~head~0.offset 0) .cse0 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) .cse20 (<= 0 ~head~0.offset) .cse2 .cse4 (<= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~5#1|) (let ((.cse28 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and (not .cse28) .cse5) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) .cse28 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) .cse6 (<= 0 (+ ~waterLevel~0 2147483648)) .cse8 .cse9 (<= 0 ~head~0.base) .cse22 .cse10 .cse27 (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) .cse23 .cse16 (<= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) .cse24 .cse18 .cse19) (and .cse25 .cse0 .cse1 .cse20 .cse2 .cse3 .cse26 .cse4 .cse6 .cse21 .cse8 .cse9 .cse22 .cse10 .cse27 .cse11 .cse12 .cse23 .cse16 .cse24 .cse17 .cse18 .cse19)))) [2022-11-23 14:49:23,935 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:49:23,936 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse5 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse6 (= ~cleanupTimeShifts~0 4)) (.cse7 (= |#NULL.base| 0))) (or (and .cse0 (<= ~head~0.offset 0) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~5#1|) (let ((.cse1 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and (not .cse1) .cse2) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) .cse1 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse3 .cse4 (<= 0 ~head~0.base) (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) .cse5 (<= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (<= ~systemActive~0 1) .cse6 .cse7) (let ((.cse8 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) .cse0 (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) .cse2 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse3 (= (select |#valid| 4) 1) .cse4 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse8 0) 48) (= (select |#valid| 6) 1) (= (select .cse8 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse5 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) .cse6 .cse7)))) [2022-11-23 14:49:23,936 INFO L895 garLoopResultBuilder]: At program point L508(lines 508 515) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-23 14:49:23,936 INFO L902 garLoopResultBuilder]: At program point L508-2(lines 508 515) the Hoare annotation is: true [2022-11-23 14:49:23,937 INFO L895 garLoopResultBuilder]: At program point L228(lines 177 229) the Hoare annotation is: false [2022-11-23 14:49:23,937 INFO L895 garLoopResultBuilder]: At program point L216-2(lines 208 223) the Hoare annotation is: (and (<= ~head~0.offset 0) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~5#1|) (let ((.cse0 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and (not .cse0) (= 1 ~systemActive~0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) .cse0 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)) [2022-11-23 14:49:23,937 INFO L899 garLoopResultBuilder]: For program point L179(lines 178 227) no Hoare annotation was computed. [2022-11-23 14:49:23,938 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse1 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse8 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse13 (<= 0 ~methaneLevelCritical~0)) (.cse14 (<= ~waterLevel~0 2147483647)) (.cse15 (<= 0 |#StackHeapBarrier|)) (.cse17 (<= ~systemActive~0 1)) (.cse0 (<= ~head~0.offset 0)) (.cse20 (= ~pumpRunning~0 0)) (.cse2 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648))) (.cse3 (<= 0 ~head~0.offset)) (.cse4 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse5 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (not (= |ULTIMATE.start_test_~tmp___0~1#1| 0))) (.cse10 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse11 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse12 (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647)) (.cse21 (= ~head~0.base 0)) (.cse22 (= |#NULL.offset| 0)) (.cse16 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse23 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) .cse2 .cse3 .cse4 .cse5 (<= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~5#1|) (let ((.cse6 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and (not .cse6) .cse7) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) .cse6 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) .cse8 (<= 0 (+ ~waterLevel~0 2147483648)) .cse9 .cse10 .cse11 (<= 0 ~head~0.base) .cse12 .cse13 .cse14 (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) .cse15 .cse16 (<= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) .cse17 .cse18 .cse19) (and (not (= |ULTIMATE.start_test_~tmp~1#1| 0)) .cse1 .cse20 .cse2 .cse4 (= ~head~0.offset 0) (<= 2 ~waterLevel~0) .cse5 .cse8 .cse9 (<= ~methaneLevelCritical~0 0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse21 .cse22 .cse15 .cse16 .cse17 .cse23 .cse18 .cse19) (let ((.cse24 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) .cse0 (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse20 (= (select |#valid| 9) 1) .cse2 (= (select |#length| 12) 25) .cse3 .cse4 (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse5 (= 30 (select |#length| 13)) .cse7 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse9 .cse10 (= (select |#valid| 4) 1) .cse11 .cse12 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse21 (= (select |#valid| 2) 1) .cse22 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse24 0) 48) (= (select |#valid| 6) 1) (= (select .cse24 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse16 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse23 .cse18 .cse19)))) [2022-11-23 14:49:23,938 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-23 14:49:23,939 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 14:49:23,942 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 14:49:23,945 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:49:23,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:49:23 BoogieIcfgContainer [2022-11-23 14:49:23,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:49:23,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:49:23,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:49:23,987 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:49:23,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:48:49" (3/4) ... [2022-11-23 14:49:23,990 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:49:23,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 14:49:23,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 14:49:23,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 14:49:23,997 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 14:49:24,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-23 14:49:24,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 14:49:24,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 14:49:24,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:49:24,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:49:24,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-23 14:49:24,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((head <= 0 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 1 <= retValue_acc) && ((!(tmp___2 == 0) && 1 == systemActive) || ((((tmp___1 == 0 || 0 == systemActive) && tmp___2 == 0) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && retValue_acc <= 1) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-23 14:49:24,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-23 14:49:24,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp___0 == 0) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((1 <= \result && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp___0 == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((head <= 0 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 1 <= retValue_acc) && ((!(tmp___2 == 0) && 1 == systemActive) || ((((tmp___1 == 0 || 0 == systemActive) && tmp___2 == 0) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && retValue_acc <= 1) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-23 14:49:24,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || ((((tmp == \result && retValue_acc == waterLevel) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-23 14:49:24,036 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((((pumpRunning == retValue_acc && tmp == \result) && retValue_acc == waterLevel) && retValue_acc == \result) && \result == retValue_acc) && tmp == 0) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((((tmp == \result && retValue_acc == waterLevel) && !(tmp == 0)) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-23 14:49:24,068 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:49:24,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:49:24,069 INFO L158 Benchmark]: Toolchain (without parser) took 36223.84ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 114.1MB in the beginning and 235.6MB in the end (delta: -121.5MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,069 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:49:24,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.27ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 96.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.30ms. Allocated memory is still 144.7MB. Free memory was 95.8MB in the beginning and 94.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:49:24,071 INFO L158 Benchmark]: Boogie Preprocessor took 41.38ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,071 INFO L158 Benchmark]: RCFGBuilder took 721.16ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 71.1MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,072 INFO L158 Benchmark]: TraceAbstraction took 34669.08ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 70.6MB in the beginning and 239.8MB in the end (delta: -169.2MB). Peak memory consumption was 184.8MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,072 INFO L158 Benchmark]: Witness Printer took 82.38ms. Allocated memory is still 375.4MB. Free memory was 239.8MB in the beginning and 235.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:49:24,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.27ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 96.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.30ms. Allocated memory is still 144.7MB. Free memory was 95.8MB in the beginning and 94.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.38ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 92.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.16ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 71.1MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 34669.08ms. Allocated memory was 144.7MB in the beginning and 375.4MB in the end (delta: 230.7MB). Free memory was 70.6MB in the beginning and 239.8MB in the end (delta: -169.2MB). Peak memory consumption was 184.8MB. Max. memory is 16.1GB. * Witness Printer took 82.38ms. Allocated memory is still 375.4MB. Free memory was 239.8MB in the beginning and 235.6MB 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: 892]: 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 372 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 128 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 128 mSolverCounterUnsat, 131 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 113 SyntacticMatches, 8 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, InterpolantAutomatonStates: 59, 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, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 107 PreInvPairs, 170 NumberOfFragments, 2375 HoareAnnotationTreeSize, 107 FomulaSimplifications, 1270 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 21 FomulaSimplificationsInter, 8474 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 1639 SizeOfPredicates, 32 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 0/54 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: OVERALL_TIME: 6.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 60, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 73, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 35, TOOLS_POST_CALL_TIME: 2.7s, TOOLS_POST_RETURN_APPLICATIONS: 30, TOOLS_POST_RETURN_TIME: 1.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 138, TOOLS_QUANTIFIERELIM_TIME: 5.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 176, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.6s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 4.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 30, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 542, DAG_COMPRESSION_RETAINED_NODES: 151, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((head <= 0 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 1 <= retValue_acc) && ((!(tmp___2 == 0) && 1 == systemActive) || ((((tmp___1 == 0 || 0 == systemActive) && tmp___2 == 0) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && retValue_acc <= 1) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || ((((tmp == \result && retValue_acc == waterLevel) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp___0 == 0) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((1 <= \result && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp___0 == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((head <= 0 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 1 <= retValue_acc) && ((!(tmp___2 == 0) && 1 == systemActive) || ((((tmp___1 == 0 || 0 == systemActive) && tmp___2 == 0) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && retValue_acc <= 1) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((((pumpRunning == retValue_acc && tmp == \result) && retValue_acc == waterLevel) && retValue_acc == \result) && \result == retValue_acc) && tmp == 0) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((((tmp == \result && retValue_acc == waterLevel) && !(tmp == 0)) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 14:49:24,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61ad9d72-4c8e-4041-8c64-c334453b8ba7/bin/utaipan-Q6hlc19bkW/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