./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c --full-output -ea --architecture 32bit


--------------------------------------------------------------------------------


Checking for termination
Using default analysis
Version 03d7b7b3
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-03d7b7b
[2022-02-21 04:16:11,793 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-02-21 04:16:11,795 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-02-21 04:16:11,837 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-02-21 04:16:11,838 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-02-21 04:16:11,841 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-02-21 04:16:11,842 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-02-21 04:16:11,844 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-02-21 04:16:11,846 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-02-21 04:16:11,850 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-02-21 04:16:11,851 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-02-21 04:16:11,852 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-02-21 04:16:11,852 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-02-21 04:16:11,855 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-02-21 04:16:11,856 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-02-21 04:16:11,858 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-02-21 04:16:11,859 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-21 04:16:11,860 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-21 04:16:11,862 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-02-21 04:16:11,866 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-02-21 04:16:11,867 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-02-21 04:16:11,869 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-21 04:16:11,870 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-21 04:16:11,871 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-02-21 04:16:11,877 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-02-21 04:16:11,877 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-02-21 04:16:11,877 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-02-21 04:16:11,879 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-02-21 04:16:11,879 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-02-21 04:16:11,880 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-02-21 04:16:11,880 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-02-21 04:16:11,881 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-02-21 04:16:11,882 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-02-21 04:16:11,883 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-02-21 04:16:11,884 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-02-21 04:16:11,884 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-02-21 04:16:11,885 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-02-21 04:16:11,885 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-02-21 04:16:11,885 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-02-21 04:16:11,886 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-02-21 04:16:11,886 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-21 04:16:11,888 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-02-21 04:16:11,919 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-21 04:16:11,919 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-21 04:16:11,920 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-21 04:16:11,920 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-21 04:16:11,921 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-21 04:16:11,921 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-21 04:16:11,921 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-21 04:16:11,921 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-02-21 04:16:11,922 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2022-02-21 04:16:11,922 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2022-02-21 04:16:11,923 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2022-02-21 04:16:11,923 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2022-02-21 04:16:11,923 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2022-02-21 04:16:11,923 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-21 04:16:11,923 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-21 04:16:11,924 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-02-21 04:16:11,924 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-21 04:16:11,924 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-21 04:16:11,924 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-21 04:16:11,924 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2022-02-21 04:16:11,925 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-02-21 04:16:11,925 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2022-02-21 04:16:11,925 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-21 04:16:11,925 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-21 04:16:11,925 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2022-02-21 04:16:11,926 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-21 04:16:11,926 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2022-02-21 04:16:11,926 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-21 04:16:11,926 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-21 04:16:11,927 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-21 04:16:11,927 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-21 04:16:11,928 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-02-21 04:16:11,928 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72514ca2b4c5f09004dd08dec38f44e827aa0dd8844c3295d87b722cb68767ea
[2022-02-21 04:16:12,172 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-21 04:16:12,196 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-21 04:16:12,198 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-21 04:16:12,199 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-21 04:16:12,200 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-21 04:16:12,201 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2022-02-21 04:16:12,254 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1249ab5e6/4965b0d314f44ff2b1dd2ea644d454e3/FLAG5c3df1ed2
[2022-02-21 04:16:12,707 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-21 04:16:12,708 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c
[2022-02-21 04:16:12,720 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1249ab5e6/4965b0d314f44ff2b1dd2ea644d454e3/FLAG5c3df1ed2
[2022-02-21 04:16:13,066 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1249ab5e6/4965b0d314f44ff2b1dd2ea644d454e3
[2022-02-21 04:16:13,068 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-21 04:16:13,069 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-02-21 04:16:13,070 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-21 04:16:13,070 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-21 04:16:13,074 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-21 04:16:13,075 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,076 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eaee4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13, skipping insertion in model container
[2022-02-21 04:16:13,076 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,082 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-21 04:16:13,133 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-21 04:16:13,336 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402]
[2022-02-21 04:16:13,406 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-21 04:16:13,414 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-21 04:16:13,442 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product34.cil.c[4389,4402]
[2022-02-21 04:16:13,516 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-21 04:16:13,538 INFO  L208         MainTranslator]: Completed translation
[2022-02-21 04:16:13,539 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13 WrapperNode
[2022-02-21 04:16:13,539 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-21 04:16:13,545 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-21 04:16:13,546 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-21 04:16:13,546 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-21 04:16:13,552 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,571 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,616 INFO  L137                Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 408
[2022-02-21 04:16:13,617 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-21 04:16:13,618 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-21 04:16:13,618 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-21 04:16:13,618 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-21 04:16:13,625 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,625 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,639 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,639 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,647 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,659 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,667 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,669 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-21 04:16:13,670 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-21 04:16:13,670 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-21 04:16:13,670 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-21 04:16:13,671 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (1/1) ...
[2022-02-21 04:16:13,679 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-02-21 04:16:13,690 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-21 04:16:13,699 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-02-21 04:16:13,702 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-02-21 04:16:13,729 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-21 04:16:13,729 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-21 04:16:13,729 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-21 04:16:13,729 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-21 04:16:13,817 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-21 04:16:13,819 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-21 04:16:14,226 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-21 04:16:14,231 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-21 04:16:14,232 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2022-02-21 04:16:14,233 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14 BoogieIcfgContainer
[2022-02-21 04:16:14,233 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-21 04:16:14,234 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-02-21 04:16:14,234 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2022-02-21 04:16:14,241 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2022-02-21 04:16:14,242 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-02-21 04:16:14,242 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:13" (1/3) ...
[2022-02-21 04:16:14,243 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10567204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:14, skipping insertion in model container
[2022-02-21 04:16:14,243 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-02-21 04:16:14,243 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13" (2/3) ...
[2022-02-21 04:16:14,243 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10567204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:14, skipping insertion in model container
[2022-02-21 04:16:14,243 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-02-21 04:16:14,243 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14" (3/3) ...
[2022-02-21 04:16:14,245 INFO  L388   chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product34.cil.c
[2022-02-21 04:16:14,310 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2022-02-21 04:16:14,310 INFO  L360         BuchiCegarLoop]: Hoare is false
[2022-02-21 04:16:14,310 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-02-21 04:16:14,310 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-02-21 04:16:14,311 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-02-21 04:16:14,311 INFO  L364         BuchiCegarLoop]: Difference is false
[2022-02-21 04:16:14,311 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-02-21 04:16:14,311 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2022-02-21 04:16:14,331 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-21 04:16:14,376 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2022-02-21 04:16:14,376 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-02-21 04:16:14,376 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-02-21 04:16:14,382 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:14,382 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:14,382 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2022-02-21 04:16:14,385 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-21 04:16:14,397 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 69
[2022-02-21 04:16:14,398 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-02-21 04:16:14,398 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-02-21 04:16:14,399 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:14,399 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:14,403 INFO  L791   eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 24#L326true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 112#L319true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 27#L334true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 82#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 91#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 28#L271true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 83#L716-2true 
[2022-02-21 04:16:14,404 INFO  L793   eck$LassoCheckResult]: Loop: 83#L716-2true assume !false; 16#L717true assume test_~splverifierCounter~0#1 < 4; 76#L718true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 75#L726true assume !(0 != test_~tmp~5#1); 60#L726-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 33#L736true assume !(0 != test_~tmp___0~1#1); 37#L736-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 73#L746true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 9#L931true assume { :end_inline_startSystem } true; 49#L754-2true assume { :begin_inline_timeShift } true; 99#L782true assume !(0 != ~pumpRunning~0); 18#L782-2true assume !(0 != ~systemActive~0); 40#L789-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 89#L204true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 5#L282true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 52#L282-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 105#L799true assume { :end_inline_timeShift } true; 83#L716-2true 
[2022-02-21 04:16:14,410 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:14,411 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2022-02-21 04:16:14,418 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:14,419 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238810735]
[2022-02-21 04:16:14,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:14,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:14,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:14,560 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-21 04:16:14,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:14,627 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-21 04:16:14,630 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:14,631 INFO  L85        PathProgramCache]: Analyzing trace with hash -1920961783, now seen corresponding path program 1 times
[2022-02-21 04:16:14,631 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:14,632 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946889885]
[2022-02-21 04:16:14,632 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:14,632 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:14,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-21 04:16:14,736 INFO  L290        TraceCheckUtils]: 0: Hoare triple {116#true} assume !false; {116#true} is VALID
[2022-02-21 04:16:14,737 INFO  L290        TraceCheckUtils]: 1: Hoare triple {116#true} assume test_~splverifierCounter~0#1 < 4; {116#true} is VALID
[2022-02-21 04:16:14,737 INFO  L290        TraceCheckUtils]: 2: Hoare triple {116#true} test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; {116#true} is VALID
[2022-02-21 04:16:14,738 INFO  L290        TraceCheckUtils]: 3: Hoare triple {116#true} assume !(0 != test_~tmp~5#1); {116#true} is VALID
[2022-02-21 04:16:14,738 INFO  L290        TraceCheckUtils]: 4: Hoare triple {116#true} test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; {116#true} is VALID
[2022-02-21 04:16:14,738 INFO  L290        TraceCheckUtils]: 5: Hoare triple {116#true} assume !(0 != test_~tmp___0~1#1); {116#true} is VALID
[2022-02-21 04:16:14,738 INFO  L290        TraceCheckUtils]: 6: Hoare triple {116#true} test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {116#true} is VALID
[2022-02-21 04:16:14,739 INFO  L290        TraceCheckUtils]: 7: Hoare triple {116#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {118#(<= 1 ~systemActive~0)} is VALID
[2022-02-21 04:16:14,740 INFO  L290        TraceCheckUtils]: 8: Hoare triple {118#(<= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {118#(<= 1 ~systemActive~0)} is VALID
[2022-02-21 04:16:14,741 INFO  L290        TraceCheckUtils]: 9: Hoare triple {118#(<= 1 ~systemActive~0)} assume { :begin_inline_timeShift } true; {118#(<= 1 ~systemActive~0)} is VALID
[2022-02-21 04:16:14,741 INFO  L290        TraceCheckUtils]: 10: Hoare triple {118#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {118#(<= 1 ~systemActive~0)} is VALID
[2022-02-21 04:16:14,742 INFO  L290        TraceCheckUtils]: 11: Hoare triple {118#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {117#false} is VALID
[2022-02-21 04:16:14,742 INFO  L290        TraceCheckUtils]: 12: Hoare triple {117#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; {117#false} is VALID
[2022-02-21 04:16:14,742 INFO  L290        TraceCheckUtils]: 13: Hoare triple {117#false} __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {117#false} is VALID
[2022-02-21 04:16:14,743 INFO  L290        TraceCheckUtils]: 14: Hoare triple {117#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; {117#false} is VALID
[2022-02-21 04:16:14,743 INFO  L290        TraceCheckUtils]: 15: Hoare triple {117#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {117#false} is VALID
[2022-02-21 04:16:14,743 INFO  L290        TraceCheckUtils]: 16: Hoare triple {117#false} assume { :end_inline_timeShift } true; {117#false} is VALID
[2022-02-21 04:16:14,744 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-21 04:16:14,745 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-21 04:16:14,745 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946889885]
[2022-02-21 04:16:14,745 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946889885] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-21 04:16:14,746 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-21 04:16:14,746 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-21 04:16:14,746 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525082704]
[2022-02-21 04:16:14,749 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-21 04:16:14,753 INFO  L808   eck$LassoCheckResult]: loop already infeasible
[2022-02-21 04:16:14,754 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-21 04:16:14,780 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-21 04:16:14,781 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-21 04:16:14,785 INFO  L87              Difference]: Start difference. First operand  has 110 states, 109 states have (on average 1.3944954128440368) internal successors, (152), 109 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2022-02-21 04:16:14,985 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:14,985 INFO  L93              Difference]: Finished difference Result 107 states and 139 transitions.
[2022-02-21 04:16:14,985 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-21 04:16:14,987 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with  has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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)
[2022-02-21 04:16:15,006 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-02-21 04:16:15,012 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 139 transitions.
[2022-02-21 04:16:15,018 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 65
[2022-02-21 04:16:15,025 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 97 states and 128 transitions.
[2022-02-21 04:16:15,026 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 97
[2022-02-21 04:16:15,026 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 97
[2022-02-21 04:16:15,027 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 97 states and 128 transitions.
[2022-02-21 04:16:15,027 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-02-21 04:16:15,028 INFO  L681         BuchiCegarLoop]: Abstraction has 97 states and 128 transitions.
[2022-02-21 04:16:15,042 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states and 128 transitions.
[2022-02-21 04:16:15,053 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2022-02-21 04:16:15,053 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2022-02-21 04:16:15,054 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 97 states and 128 transitions. Second operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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)
[2022-02-21 04:16:15,055 INFO  L74              IsIncluded]: Start isIncluded. First operand 97 states and 128 transitions. Second operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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)
[2022-02-21 04:16:15,057 INFO  L87              Difference]: Start difference. First operand 97 states and 128 transitions. Second operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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)
[2022-02-21 04:16:15,060 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:15,060 INFO  L93              Difference]: Finished difference Result 97 states and 128 transitions.
[2022-02-21 04:16:15,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions.
[2022-02-21 04:16:15,062 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-21 04:16:15,062 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-02-21 04:16:15,063 INFO  L74              IsIncluded]: Start isIncluded. First operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 97 states and 128 transitions.
[2022-02-21 04:16:15,063 INFO  L87              Difference]: Start difference. First operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 97 states and 128 transitions.
[2022-02-21 04:16:15,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:15,066 INFO  L93              Difference]: Finished difference Result 97 states and 128 transitions.
[2022-02-21 04:16:15,066 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 128 transitions.
[2022-02-21 04:16:15,067 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-21 04:16:15,067 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-02-21 04:16:15,067 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2022-02-21 04:16:15,068 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2022-02-21 04:16:15,068 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 96 states have internal predecessors, (128), 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)
[2022-02-21 04:16:15,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 128 transitions.
[2022-02-21 04:16:15,071 INFO  L704         BuchiCegarLoop]: Abstraction has 97 states and 128 transitions.
[2022-02-21 04:16:15,072 INFO  L587         BuchiCegarLoop]: Abstraction has 97 states and 128 transitions.
[2022-02-21 04:16:15,072 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2022-02-21 04:16:15,072 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 128 transitions.
[2022-02-21 04:16:15,073 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 65
[2022-02-21 04:16:15,074 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-02-21 04:16:15,074 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-02-21 04:16:15,074 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:15,075 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:15,075 INFO  L791   eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 264#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 265#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 269#L334 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 270#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 319#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 271#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 272#L716-2 
[2022-02-21 04:16:15,075 INFO  L793   eck$LassoCheckResult]: Loop: 272#L716-2 assume !false; 250#L717 assume test_~splverifierCounter~0#1 < 4; 251#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 314#L726 assume !(0 != test_~tmp~5#1); 258#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 278#L736 assume !(0 != test_~tmp___0~1#1); 280#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 283#L746 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 231#L754 assume 0 != test_~tmp___1~0#1; 232#L754-2 assume { :begin_inline_timeShift } true; 299#L782 assume !(0 != ~pumpRunning~0); 255#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 256#L814 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 305#L806-1 assume { :end_inline_processEnvironment__wrappee__base } true; 303#L814-1 assume { :end_inline_processEnvironment } true; 288#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 289#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 228#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 230#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 300#L799 assume { :end_inline_timeShift } true; 272#L716-2 
[2022-02-21 04:16:15,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:15,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2022-02-21 04:16:15,077 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:15,077 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133972219]
[2022-02-21 04:16:15,077 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:15,077 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:15,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,095 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-21 04:16:15,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,114 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-21 04:16:15,115 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:15,115 INFO  L85        PathProgramCache]: Analyzing trace with hash -552434515, now seen corresponding path program 1 times
[2022-02-21 04:16:15,115 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:15,116 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309069627]
[2022-02-21 04:16:15,116 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:15,116 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:15,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-21 04:16:15,134 INFO  L290        TraceCheckUtils]: 0: Hoare triple {522#true} assume !false; {522#true} is VALID
[2022-02-21 04:16:15,134 INFO  L290        TraceCheckUtils]: 1: Hoare triple {522#true} assume test_~splverifierCounter~0#1 < 4; {522#true} is VALID
[2022-02-21 04:16:15,135 INFO  L290        TraceCheckUtils]: 2: Hoare triple {522#true} test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; {522#true} is VALID
[2022-02-21 04:16:15,135 INFO  L290        TraceCheckUtils]: 3: Hoare triple {522#true} assume !(0 != test_~tmp~5#1); {522#true} is VALID
[2022-02-21 04:16:15,135 INFO  L290        TraceCheckUtils]: 4: Hoare triple {522#true} test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; {522#true} is VALID
[2022-02-21 04:16:15,135 INFO  L290        TraceCheckUtils]: 5: Hoare triple {522#true} assume !(0 != test_~tmp___0~1#1); {522#true} is VALID
[2022-02-21 04:16:15,136 INFO  L290        TraceCheckUtils]: 6: Hoare triple {522#true} test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {522#true} is VALID
[2022-02-21 04:16:15,136 INFO  L290        TraceCheckUtils]: 7: Hoare triple {522#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {522#true} is VALID
[2022-02-21 04:16:15,136 INFO  L290        TraceCheckUtils]: 8: Hoare triple {522#true} assume 0 != test_~tmp___1~0#1; {522#true} is VALID
[2022-02-21 04:16:15,136 INFO  L290        TraceCheckUtils]: 9: Hoare triple {522#true} assume { :begin_inline_timeShift } true; {522#true} is VALID
[2022-02-21 04:16:15,137 INFO  L290        TraceCheckUtils]: 10: Hoare triple {522#true} assume !(0 != ~pumpRunning~0); {524#(= ~pumpRunning~0 0)} is VALID
[2022-02-21 04:16:15,137 INFO  L290        TraceCheckUtils]: 11: Hoare triple {524#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; {524#(= ~pumpRunning~0 0)} is VALID
[2022-02-21 04:16:15,138 INFO  L290        TraceCheckUtils]: 12: Hoare triple {524#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {523#false} is VALID
[2022-02-21 04:16:15,138 INFO  L290        TraceCheckUtils]: 13: Hoare triple {523#false} assume { :end_inline_processEnvironment__wrappee__base } true; {523#false} is VALID
[2022-02-21 04:16:15,138 INFO  L290        TraceCheckUtils]: 14: Hoare triple {523#false} assume { :end_inline_processEnvironment } true; {523#false} is VALID
[2022-02-21 04:16:15,139 INFO  L290        TraceCheckUtils]: 15: Hoare triple {523#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; {523#false} is VALID
[2022-02-21 04:16:15,139 INFO  L290        TraceCheckUtils]: 16: Hoare triple {523#false} __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; {523#false} is VALID
[2022-02-21 04:16:15,139 INFO  L290        TraceCheckUtils]: 17: Hoare triple {523#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; {523#false} is VALID
[2022-02-21 04:16:15,139 INFO  L290        TraceCheckUtils]: 18: Hoare triple {523#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {523#false} is VALID
[2022-02-21 04:16:15,140 INFO  L290        TraceCheckUtils]: 19: Hoare triple {523#false} assume { :end_inline_timeShift } true; {523#false} is VALID
[2022-02-21 04:16:15,140 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-21 04:16:15,140 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-21 04:16:15,140 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309069627]
[2022-02-21 04:16:15,141 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309069627] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-21 04:16:15,141 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-21 04:16:15,141 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-02-21 04:16:15,141 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047554544]
[2022-02-21 04:16:15,141 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-21 04:16:15,142 INFO  L808   eck$LassoCheckResult]: loop already infeasible
[2022-02-21 04:16:15,142 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-21 04:16:15,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-02-21 04:16:15,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-02-21 04:16:15,143 INFO  L87              Difference]: Start difference. First operand 97 states and 128 transitions. cyclomatic complexity: 33 Second operand  has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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)
[2022-02-21 04:16:15,308 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:15,308 INFO  L93              Difference]: Finished difference Result 153 states and 197 transitions.
[2022-02-21 04:16:15,309 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-02-21 04:16:15,310 INFO  L86        InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with  has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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)
[2022-02-21 04:16:15,334 INFO  L122       InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 
[2022-02-21 04:16:15,335 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,344 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 108
[2022-02-21 04:16:15,349 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 153 states and 197 transitions.
[2022-02-21 04:16:15,350 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 153
[2022-02-21 04:16:15,350 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 153
[2022-02-21 04:16:15,350 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,351 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-02-21 04:16:15,351 INFO  L681         BuchiCegarLoop]: Abstraction has 153 states and 197 transitions.
[2022-02-21 04:16:15,352 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,366 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153.
[2022-02-21 04:16:15,366 INFO  L214    AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2022-02-21 04:16:15,366 INFO  L82        GeneralOperation]: Start isEquivalent. First operand 153 states and 197 transitions. Second operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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)
[2022-02-21 04:16:15,367 INFO  L74              IsIncluded]: Start isIncluded. First operand 153 states and 197 transitions. Second operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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)
[2022-02-21 04:16:15,367 INFO  L87              Difference]: Start difference. First operand 153 states and 197 transitions. Second operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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)
[2022-02-21 04:16:15,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:15,374 INFO  L93              Difference]: Finished difference Result 153 states and 197 transitions.
[2022-02-21 04:16:15,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,384 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-21 04:16:15,384 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-02-21 04:16:15,385 INFO  L74              IsIncluded]: Start isIncluded. First operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 153 states and 197 transitions.
[2022-02-21 04:16:15,385 INFO  L87              Difference]: Start difference. First operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 153 states and 197 transitions.
[2022-02-21 04:16:15,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-02-21 04:16:15,389 INFO  L93              Difference]: Finished difference Result 153 states and 197 transitions.
[2022-02-21 04:16:15,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,390 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-02-21 04:16:15,390 INFO  L83              IsIncluded]: Finished isIncluded. Language is included
[2022-02-21 04:16:15,390 INFO  L88        GeneralOperation]: Finished isEquivalent.
[2022-02-21 04:16:15,391 INFO  L221    AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2022-02-21 04:16:15,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 153 states, 153 states have (on average 1.2875816993464053) internal successors, (197), 152 states have internal predecessors, (197), 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)
[2022-02-21 04:16:15,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 197 transitions.
[2022-02-21 04:16:15,395 INFO  L704         BuchiCegarLoop]: Abstraction has 153 states and 197 transitions.
[2022-02-21 04:16:15,395 INFO  L587         BuchiCegarLoop]: Abstraction has 153 states and 197 transitions.
[2022-02-21 04:16:15,395 INFO  L425         BuchiCegarLoop]: ======== Iteration 3============
[2022-02-21 04:16:15,395 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 197 transitions.
[2022-02-21 04:16:15,396 INFO  L131   ngComponentsAnalysis]: Automaton has 2 accepting balls. 108
[2022-02-21 04:16:15,397 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-02-21 04:16:15,397 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2022-02-21 04:16:15,397 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:15,397 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-02-21 04:16:15,398 INFO  L791   eck$LassoCheckResult]: Stem: 783#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 715#L326 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 716#L319 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 720#L334 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 721#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 777#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 722#L271 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 723#L716-2 
[2022-02-21 04:16:15,398 INFO  L793   eck$LassoCheckResult]: Loop: 723#L716-2 assume !false; 701#L717 assume test_~splverifierCounter~0#1 < 4; 702#L718 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 829#L726 assume !(0 != test_~tmp~5#1); 827#L726-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 729#L736 assume !(0 != test_~tmp___0~1#1); 731#L736-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 734#L746 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 689#L931 assume { :end_inline_startSystem } true; 684#L754-2 assume { :begin_inline_timeShift } true; 751#L782 assume !(0 != ~pumpRunning~0); 784#L782-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 769#L814 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 692#L244 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 690#L249 isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1; 691#L916 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0; 693#L916-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 694#L922 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 766#L818 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 754#L806 assume { :end_inline_processEnvironment__wrappee__base } true; 755#L814-1 assume { :end_inline_processEnvironment } true; 739#L789-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 740#L204 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 680#L282 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 682#L282-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 752#L799 assume { :end_inline_timeShift } true; 723#L716-2 
[2022-02-21 04:16:15,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:15,399 INFO  L85        PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2022-02-21 04:16:15,399 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:15,399 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276828282]
[2022-02-21 04:16:15,400 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:15,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:15,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,427 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-21 04:16:15,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,454 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-21 04:16:15,454 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:15,455 INFO  L85        PathProgramCache]: Analyzing trace with hash -2055649194, now seen corresponding path program 1 times
[2022-02-21 04:16:15,455 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:15,455 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127011452]
[2022-02-21 04:16:15,455 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:15,455 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:15,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,479 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-21 04:16:15,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,491 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-21 04:16:15,492 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-21 04:16:15,492 INFO  L85        PathProgramCache]: Analyzing trace with hash -1357403649, now seen corresponding path program 1 times
[2022-02-21 04:16:15,492 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-21 04:16:15,492 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037581082]
[2022-02-21 04:16:15,492 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-21 04:16:15,492 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-21 04:16:15,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,510 INFO  L352             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-02-21 04:16:15,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-02-21 04:16:15,526 INFO  L138   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-02-21 04:16:18,849 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:18 BoogieIcfgContainer
[2022-02-21 04:16:18,850 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-02-21 04:16:18,850 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-02-21 04:16:18,851 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-02-21 04:16:18,851 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-02-21 04:16:18,851 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14" (3/4) ...
[2022-02-21 04:16:18,853 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2022-02-21 04:16:18,905 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2022-02-21 04:16:18,905 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-02-21 04:16:18,906 INFO  L158              Benchmark]: Toolchain (without parser) took 5837.00ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 59.9MB in the beginning and 93.2MB in the end (delta: -33.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,907 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-02-21 04:16:18,907 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 474.44ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 62.9MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,908 INFO  L158              Benchmark]: Boogie Procedure Inliner took 71.37ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 59.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,908 INFO  L158              Benchmark]: Boogie Preprocessor took 51.58ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,909 INFO  L158              Benchmark]: RCFGBuilder took 563.10ms. Allocated memory is still 100.7MB. Free memory was 57.5MB in the beginning and 37.2MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,909 INFO  L158              Benchmark]: BuchiAutomizer took 4616.02ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 37.2MB in the beginning and 96.2MB in the end (delta: -59.1MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,910 INFO  L158              Benchmark]: Witness Printer took 54.51ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-02-21 04:16:18,912 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - AssertionsEnabledResult: Assertions are enabled
    Assertions are enabled
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 474.44ms. Allocated memory is still 100.7MB. Free memory was 59.7MB in the beginning and 62.9MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 71.37ms. Allocated memory is still 100.7MB. Free memory was 62.9MB in the beginning and 59.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.58ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 57.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 563.10ms. Allocated memory is still 100.7MB. Free memory was 57.5MB in the beginning and 37.2MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * BuchiAutomizer took 4616.02ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 37.2MB in the beginning and 96.2MB in the end (delta: -59.1MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB.
 * Witness Printer took 54.51ms. Allocated memory is still 146.8MB. Free memory was 96.2MB in the beginning and 93.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 153 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 4.5s and 3 iterations.  TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 153 states and ocurred in iteration 2.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 277 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown	LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 716]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=1}
State at position 1 is
{splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b35c2c0=0, methaneLevelCritical=0, tmp=0, retValue_acc=0, \result=0, retValue_acc=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@107720a6=29, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d9af97d=0, retValue_acc=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b100c80=0, \result=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fb3f19d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56074be=0, tmp___2=29, methAndRunningLastTime=0, cleanupTimeShifts=4, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@742b43c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@508b9685=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@324101fb=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 716]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L50]               int cleanupTimeShifts  =    4;
[L161]              int waterLevel  =    1;
[L162]              int methaneLevelCritical  =    0;
[L265]              int methAndRunningLastTime  ;
[L508]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L775]              int pumpRunning  =    0;
[L776]              int systemActive  =    1;
[L133]              int retValue_acc ;
[L134]              int tmp ;
[L138]  FCALL       select_helpers()
[L139]  FCALL       select_features()
[L140]  CALL, EXPR  valid_product()
[L330]              int retValue_acc ;
[L333]              retValue_acc = 1
[L334]              return (retValue_acc);
[L140]  RET, EXPR   valid_product()
[L140]              tmp = valid_product()
[L142]  COND TRUE   \read(tmp)
[L144]  FCALL       setup()
[L145]  CALL        runTest()
[L123]  CALL        __utac_acc__Specification2_spec__1()
[L270]              methAndRunningLastTime = 0
[L123]  RET         __utac_acc__Specification2_spec__1()
[L124]  CALL        test()
[L707]              int splverifierCounter ;
[L708]              int tmp ;
[L709]              int tmp___0 ;
[L710]              int tmp___1 ;
[L711]              int tmp___2 ;
[L714]              splverifierCounter = 0
Loop:
[L716]  COND TRUE   1
[L718]  COND TRUE   splverifierCounter < 4
[L724]              tmp = __VERIFIER_nondet_int()
[L726]  COND FALSE  !(\read(tmp))
[L734]              tmp___0 = __VERIFIER_nondet_int()
[L736]  COND FALSE  !(\read(tmp___0))
[L744]              tmp___2 = __VERIFIER_nondet_int()
[L746]  COND TRUE   \read(tmp___2)
[L748]  CALL        startSystem()
[L930]              systemActive = 1
[L748]  RET         startSystem()
[L761]  CALL        timeShift()
[L782]  COND FALSE  !(\read(pumpRunning))
[L789]  COND TRUE   \read(systemActive)
[L791]  CALL        processEnvironment()
[L811]              int tmp ;
[L814]  COND TRUE   ! pumpRunning
[L816]  CALL, EXPR  isHighWaterLevel()
[L908]              int retValue_acc ;
[L909]              int tmp ;
[L910]              int tmp___0 ;
[L914]  CALL, EXPR  isHighWaterSensorDry()
[L241]              int retValue_acc ;
[L244]  COND TRUE   waterLevel < 2
[L245]              retValue_acc = 1
[L246]              return (retValue_acc);
[L914]  RET, EXPR   isHighWaterSensorDry()
[L914]              tmp = isHighWaterSensorDry()
[L916]  COND TRUE   \read(tmp)
[L917]              tmp___0 = 0
[L921]              retValue_acc = tmp___0
[L922]              return (retValue_acc);
[L816]  RET, EXPR   isHighWaterLevel()
[L816]              tmp = isHighWaterLevel()
[L818]  COND FALSE  !(\read(tmp))
[L824]  FCALL       processEnvironment__wrappee__base()
[L791]  RET         processEnvironment()
[L797]  CALL        __utac_acc__Specification2_spec__2()
[L275]              int tmp ;
[L276]              int tmp___0 ;
[L280]  CALL, EXPR  isMethaneLevelCritical()
[L200]              int retValue_acc ;
[L203]              retValue_acc = methaneLevelCritical
[L204]              return (retValue_acc);
[L280]  RET, EXPR   isMethaneLevelCritical()
[L280]              tmp = isMethaneLevelCritical()
[L282]  COND FALSE  !(\read(tmp))
[L298]              methAndRunningLastTime = 0
[L797]  RET         __utac_acc__Specification2_spec__2()
[L761]  RET         timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-02-21 04:16:18,968 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)