./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 8393723b
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS --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 a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e
--- 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-8393723
[2022-11-19 06:45:24,000 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-19 06:45:24,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-19 06:45:24,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-19 06:45:24,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-19 06:45:24,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-19 06:45:24,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-19 06:45:24,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-19 06:45:24,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-19 06:45:24,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-19 06:45:24,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-19 06:45:24,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-19 06:45:24,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-19 06:45:24,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-19 06:45:24,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-19 06:45:24,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-19 06:45:24,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-19 06:45:24,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-19 06:45:24,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-19 06:45:24,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-19 06:45:24,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-19 06:45:24,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-19 06:45:24,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-19 06:45:24,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-19 06:45:24,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-19 06:45:24,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-19 06:45:24,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-19 06:45:24,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-19 06:45:24,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-19 06:45:24,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-19 06:45:24,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-19 06:45:24,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-19 06:45:24,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-19 06:45:24,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-19 06:45:24,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-19 06:45:24,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-19 06:45:24,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-19 06:45:24,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-19 06:45:24,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-19 06:45:24,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-19 06:45:24,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-19 06:45:24,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf
[2022-11-19 06:45:24,132 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-19 06:45:24,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-19 06:45:24,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-19 06:45:24,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-19 06:45:24,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-19 06:45:24,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-19 06:45:24,134 INFO L138 SettingsManager]: * User list type=DISABLED
[2022-11-19 06:45:24,135 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2022-11-19 06:45:24,135 INFO L138 SettingsManager]: * Explicit value domain=true
[2022-11-19 06:45:24,135 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2022-11-19 06:45:24,135 INFO L138 SettingsManager]: * Octagon Domain=false
[2022-11-19 06:45:24,136 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain
[2022-11-19 06:45:24,136 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2022-11-19 06:45:24,136 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2022-11-19 06:45:24,136 INFO L138 SettingsManager]: * Interval Domain=false
[2022-11-19 06:45:24,137 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults:
[2022-11-19 06:45:24,137 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2022-11-19 06:45:24,137 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC
[2022-11-19 06:45:24,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-19 06:45:24,138 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-19 06:45:24,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-19 06:45:24,138 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-19 06:45:24,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-19 06:45:24,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-19 06:45:24,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-19 06:45:24,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-19 06:45:24,140 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-19 06:45:24,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-19 06:45:24,140 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-19 06:45:24,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-19 06:45:24,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-19 06:45:24,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-19 06:45:24,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-19 06:45:24,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-19 06:45:24,142 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
[2022-11-19 06:45:24,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-19 06:45:24,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-19 06:45:24,143 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2022-11-19 06:45:24,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-19 06:45:24,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-19 06:45:24,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2022-11-19 06:45:24,144 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_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02c09de3ac56c41127e71d631df699be80ebdf5846a7586536864de14f59a0e
[2022-11-19 06:45:24,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-19 06:45:24,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-19 06:45:24,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-19 06:45:24,458 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-19 06:45:24,458 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-19 06:45:24,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c
[2022-11-19 06:45:24,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/data/2acb5a6cb/cf75ce9b0faf4bb89fa7593ddbe4b8c6/FLAG3c5754a4b
[2022-11-19 06:45:25,083 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-19 06:45:25,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c
[2022-11-19 06:45:25,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/data/2acb5a6cb/cf75ce9b0faf4bb89fa7593ddbe4b8c6/FLAG3c5754a4b
[2022-11-19 06:45:25,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/data/2acb5a6cb/cf75ce9b0faf4bb89fa7593ddbe4b8c6
[2022-11-19 06:45:25,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-19 06:45:25,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-19 06:45:25,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-19 06:45:25,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-19 06:45:25,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-19 06:45:25,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dff452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25, skipping insertion in model container
[2022-11-19 06:45:25,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-19 06:45:25,522 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-19 06:45:25,710 WARN L234 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_15cf726e-75ba-4275-9ea8-43455d48cc85/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1605,1618]
[2022-11-19 06:45:25,816 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-19 06:45:25,825 INFO L203 MainTranslator]: Completed pre-run
[2022-11-19 06:45:25,838 WARN L234 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_15cf726e-75ba-4275-9ea8-43455d48cc85/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c[1605,1618]
[2022-11-19 06:45:25,889 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-19 06:45:25,917 INFO L208 MainTranslator]: Completed translation
[2022-11-19 06:45:25,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25 WrapperNode
[2022-11-19 06:45:25,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-19 06:45:25,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-19 06:45:25,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-19 06:45:25,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-19 06:45:25,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,983 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 183
[2022-11-19 06:45:25,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-19 06:45:25,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-19 06:45:25,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-19 06:45:25,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-19 06:45:25,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:25,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-19 06:45:26,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-19 06:45:26,012 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-19 06:45:26,012 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-19 06:45:26,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (1/1) ...
[2022-11-19 06:45:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-19 06:45:26,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/z3
[2022-11-19 06:45:26,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-19 06:45:26,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-19 06:45:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-19 06:45:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-11-19 06:45:26,098 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-11-19 06:45:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-19 06:45:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-19 06:45:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2022-11-19 06:45:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2022-11-19 06:45:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-19 06:45:26,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-19 06:45:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-19 06:45:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-19 06:45:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-19 06:45:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-19 06:45:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-19 06:45:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-19 06:45:26,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-19 06:45:26,202 INFO L235 CfgBuilder]: Building ICFG
[2022-11-19 06:45:26,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-19 06:45:26,497 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-19 06:45:26,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-19 06:45:26,699 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-19 06:45:26,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:26 BoogieIcfgContainer
[2022-11-19 06:45:26,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-19 06:45:26,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-19 06:45:26,705 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-19 06:45:26,719 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-19 06:45:26,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:45:25" (1/3) ...
[2022-11-19 06:45:26,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5131ac0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:26, skipping insertion in model container
[2022-11-19 06:45:26,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:45:25" (2/3) ...
[2022-11-19 06:45:26,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5131ac0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:45:26, skipping insertion in model container
[2022-11-19 06:45:26,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:26" (3/3) ...
[2022-11-19 06:45:26,722 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c
[2022-11-19 06:45:26,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-19 06:45:26,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-19 06:45:26,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-19 06:45:26,840 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;@2a36d2d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-19 06:45:26,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-19 06:45:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 38 states have internal predecessors, (46), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2022-11-19 06:45:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-11-19 06:45:26,857 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:45:26,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:45:26,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-19 06:45:26,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:45:26,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1247057225, now seen corresponding path program 1 times
[2022-11-19 06:45:26,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:45:26,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090190899]
[2022-11-19 06:45:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:45:26,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:45:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:45:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:45:27,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:45:27,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090190899]
[2022-11-19 06:45:27,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090190899] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:45:27,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:45:27,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-19 06:45:27,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191656207]
[2022-11-19 06:45:27,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:45:27,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-19 06:45:27,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:45:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-19 06:45:27,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-19 06:45:27,203 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 38 states have internal predecessors, (46), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:27,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:45:27,304 INFO L93 Difference]: Finished difference Result 96 states and 129 transitions.
[2022-11-19 06:45:27,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-19 06:45:27,307 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2022-11-19 06:45:27,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:45:27,316 INFO L225 Difference]: With dead ends: 96
[2022-11-19 06:45:27,316 INFO L226 Difference]: Without dead ends: 44
[2022-11-19 06:45:27,319 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
[2022-11-19 06:45:27,323 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-19 06:45:27,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-19 06:45:27,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2022-11-19 06:45:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2022-11-19 06:45:27,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-19 06:45:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions.
[2022-11-19 06:45:27,380 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 17
[2022-11-19 06:45:27,380 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:45:27,380 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions.
[2022-11-19 06:45:27,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions.
[2022-11-19 06:45:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-19 06:45:27,384 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:45:27,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:45:27,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-19 06:45:27,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-19 06:45:27,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:45:27,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1675720143, now seen corresponding path program 1 times
[2022-11-19 06:45:27,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:45:27,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68434759]
[2022-11-19 06:45:27,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:45:27,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:45:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:45:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:45:27,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:45:27,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68434759]
[2022-11-19 06:45:27,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68434759] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:45:27,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:45:27,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-19 06:45:27,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732651380]
[2022-11-19 06:45:27,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:45:27,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-19 06:45:27,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:45:27,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-19 06:45:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-19 06:45:27,587 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:27,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:45:27,648 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions.
[2022-11-19 06:45:27,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-19 06:45:27,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2022-11-19 06:45:27,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:45:27,650 INFO L225 Difference]: With dead ends: 65
[2022-11-19 06:45:27,650 INFO L226 Difference]: Without dead ends: 36
[2022-11-19 06:45:27,651 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
[2022-11-19 06:45:27,653 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-19 06:45:27,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 53 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-19 06:45:27,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2022-11-19 06:45:27,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2022-11-19 06:45:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 29 states have internal predecessors, (32), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2022-11-19 06:45:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions.
[2022-11-19 06:45:27,662 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 18
[2022-11-19 06:45:27,662 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:45:27,662 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions.
[2022-11-19 06:45:27,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions.
[2022-11-19 06:45:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-11-19 06:45:27,663 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:45:27,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:45:27,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-19 06:45:27,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-19 06:45:27,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:45:27,671 INFO L85 PathProgramCache]: Analyzing trace with hash -704668669, now seen corresponding path program 1 times
[2022-11-19 06:45:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:45:27,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926596022]
[2022-11-19 06:45:27,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:45:27,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:45:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-19 06:45:28,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-19 06:45:28,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2022-11-19 06:45:28,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926596022]
[2022-11-19 06:45:28,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926596022] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-19 06:45:28,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-19 06:45:28,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-19 06:45:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815940939]
[2022-11-19 06:45:28,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-19 06:45:28,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-19 06:45:28,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2022-11-19 06:45:28,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-19 06:45:28,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-19 06:45:28,118 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:28,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-19 06:45:28,305 INFO L93 Difference]: Finished difference Result 117 states and 149 transitions.
[2022-11-19 06:45:28,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-19 06:45:28,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2022-11-19 06:45:28,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-19 06:45:28,309 INFO L225 Difference]: With dead ends: 117
[2022-11-19 06:45:28,310 INFO L226 Difference]: Without dead ends: 83
[2022-11-19 06:45:28,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2022-11-19 06:45:28,313 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 48 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-19 06:45:28,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 149 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-19 06:45:28,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2022-11-19 06:45:28,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 64.
[2022-11-19 06:45:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 51 states have internal predecessors, (57), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2022-11-19 06:45:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 79 transitions.
[2022-11-19 06:45:28,335 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 79 transitions. Word has length 20
[2022-11-19 06:45:28,335 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-19 06:45:28,336 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 79 transitions.
[2022-11-19 06:45:28,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-19 06:45:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 79 transitions.
[2022-11-19 06:45:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-19 06:45:28,337 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-19 06:45:28,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-19 06:45:28,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-19 06:45:28,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-19 06:45:28,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-19 06:45:28,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1047015288, now seen corresponding path program 1 times
[2022-11-19 06:45:28,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2022-11-19 06:45:28,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294186387]
[2022-11-19 06:45:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-19 06:45:28,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-19 06:45:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-19 06:45:28,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-19 06:45:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-19 06:45:28,428 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2022-11-19 06:45:28,428 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-19 06:45:28,429 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-19 06:45:28,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-19 06:45:28,437 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-19 06:45:28,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-19 06:45:28,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:45:28 BoogieIcfgContainer
[2022-11-19 06:45:28,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-19 06:45:28,506 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-19 06:45:28,507 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-19 06:45:28,508 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-19 06:45:28,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:45:26" (3/4) ...
[2022-11-19 06:45:28,510 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-19 06:45:28,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/witness.graphml
[2022-11-19 06:45:28,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-19 06:45:28,590 INFO L158 Benchmark]: Toolchain (without parser) took 3144.32ms. Allocated memory is still 161.5MB. Free memory was 132.4MB in the beginning and 81.8MB in the end (delta: 50.6MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,590 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-19 06:45:28,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.76ms. Allocated memory is still 161.5MB. Free memory was 132.4MB in the beginning and 131.5MB in the end (delta: 855.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.62ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,591 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,592 INFO L158 Benchmark]: RCFGBuilder took 690.11ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 103.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,592 INFO L158 Benchmark]: TraceAbstraction took 1801.50ms. Allocated memory is still 161.5MB. Free memory was 103.2MB in the beginning and 84.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,592 INFO L158 Benchmark]: Witness Printer took 82.55ms. Allocated memory is still 161.5MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-19 06:45:28,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 464.76ms. Allocated memory is still 161.5MB. Free memory was 132.4MB in the beginning and 131.5MB in the end (delta: 855.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 63.62ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.59ms. Allocated memory is still 161.5MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 690.11ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 103.7MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 1801.50ms. Allocated memory is still 161.5MB. Free memory was 103.2MB in the beginning and 84.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB.
* Witness Printer took 82.55ms. Allocated memory is still 161.5MB. Free memory was 84.8MB in the beginning and 81.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. 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
- CounterExampleResult [Line: 54]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L686] int methaneLevelCritical = 0;
[L436] int pumpRunning = 0;
[L685] int waterLevel = 1;
[L437] int systemActive = 1;
[L779] int cleanupTimeShifts = 4;
[L855] int retValue_acc ;
[L856] int tmp ;
[L860] FCALL select_helpers()
[L861] FCALL select_features()
[L862] CALL, EXPR valid_product()
[L904] int retValue_acc ;
[L907] retValue_acc = 1
[L908] return (retValue_acc);
[L862] RET, EXPR valid_product()
[L862] tmp = valid_product()
[L864] COND TRUE \read(tmp)
[L866] FCALL setup()
[L867] CALL runTest()
[L846] CALL test()
[L616] int splverifierCounter ;
[L617] int tmp ;
[L618] int tmp___0 ;
[L619] int tmp___1 ;
[L620] int tmp___2 ;
[L623] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L625] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L627] COND TRUE splverifierCounter < 4
[L633] tmp = __VERIFIER_nondet_int()
[L635] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L637] CALL waterRise()
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L703] COND TRUE waterLevel < 2
[L704] waterLevel = waterLevel + 1
[L637] RET waterRise()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L643] tmp___0 = __VERIFIER_nondet_int()
[L645] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L653] tmp___2 = __VERIFIER_nondet_int()
[L655] COND FALSE !(\read(tmp___2))
[L661] tmp___1 = __VERIFIER_nondet_int()
[L663] COND TRUE \read(tmp___1)
[L665] CALL stopSystem()
[L592] COND FALSE !(\read(pumpRunning))
[L599] systemActive = 0
[L665] RET stopSystem()
[L672] CALL timeShift()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L444] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L451] COND FALSE !(\read(systemActive))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L459] CALL __utac_acc__Specification3_spec__1()
[L914] int tmp ;
[L915] int tmp___0 ;
[L916] int tmp___1 ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920] CALL, EXPR isMethaneLevelCritical()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L724] int retValue_acc ;
[L727] retValue_acc = methaneLevelCritical
[L728] return (retValue_acc);
[L920] RET, EXPR isMethaneLevelCritical()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920] tmp = isMethaneLevelCritical()
[L922] COND FALSE !(\read(tmp))
[L926] CALL, EXPR getWaterLevel()
[L756] int retValue_acc ;
[L759] retValue_acc = waterLevel
[L760] return (retValue_acc);
[L926] RET, EXPR getWaterLevel()
[L926] tmp___0 = getWaterLevel()
[L928] COND TRUE tmp___0 == 2
[L930] CALL, EXPR isPumpRunning()
[L525] int retValue_acc ;
[L528] retValue_acc = pumpRunning
[L529] return (retValue_acc);
[L930] RET, EXPR isPumpRunning()
[L930] tmp___1 = isPumpRunning()
[L932] COND FALSE !(\read(tmp___1))
[L936] CALL __automaton_fail()
[L54] reach_error()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 129 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 118 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2022-11-19 06:45:28,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15cf726e-75ba-4275-9ea8-43455d48cc85/bin/utaipan-I9t0OCRTmS/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE