java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c


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


This is Ultimate 0.1.24-fea9116
[2019-09-21 09:16:37,155 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-09-21 09:16:37,157 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-09-21 09:16:37,169 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-09-21 09:16:37,169 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-09-21 09:16:37,170 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-09-21 09:16:37,171 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-09-21 09:16:37,173 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-09-21 09:16:37,175 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-09-21 09:16:37,176 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-09-21 09:16:37,177 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-09-21 09:16:37,178 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-09-21 09:16:37,178 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-09-21 09:16:37,179 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-09-21 09:16:37,180 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-09-21 09:16:37,181 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-09-21 09:16:37,182 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-09-21 09:16:37,183 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-09-21 09:16:37,185 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-09-21 09:16:37,187 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-09-21 09:16:37,189 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-09-21 09:16:37,190 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-09-21 09:16:37,191 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-09-21 09:16:37,192 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-09-21 09:16:37,194 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-09-21 09:16:37,195 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-09-21 09:16:37,195 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-09-21 09:16:37,196 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-09-21 09:16:37,196 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-09-21 09:16:37,197 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-09-21 09:16:37,198 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-09-21 09:16:37,198 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-09-21 09:16:37,199 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-09-21 09:16:37,200 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-09-21 09:16:37,201 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-09-21 09:16:37,201 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2019-09-21 09:16:37,202 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-09-21 09:16:37,202 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-09-21 09:16:37,202 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2019-09-21 09:16:37,203 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2019-09-21 09:16:37,204 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-09-21 09:16:37,205 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-09-21 09:16:37,220 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-09-21 09:16:37,220 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-09-21 09:16:37,221 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-09-21 09:16:37,221 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-09-21 09:16:37,222 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-09-21 09:16:37,222 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-09-21 09:16:37,222 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-09-21 09:16:37,222 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-09-21 09:16:37,222 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-09-21 09:16:37,223 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-09-21 09:16:37,223 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-09-21 09:16:37,223 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-09-21 09:16:37,223 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-09-21 09:16:37,223 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-09-21 09:16:37,224 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-09-21 09:16:37,224 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-09-21 09:16:37,224 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-09-21 09:16:37,224 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-09-21 09:16:37,224 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-09-21 09:16:37,225 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-09-21 09:16:37,225 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-09-21 09:16:37,225 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:16:37,225 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-09-21 09:16:37,225 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-09-21 09:16:37,226 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-09-21 09:16:37,226 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-09-21 09:16:37,226 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-09-21 09:16:37,226 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-09-21 09:16:37,226 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK
[2019-09-21 09:16:37,257 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-09-21 09:16:37,269 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-09-21 09:16:37,272 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-09-21 09:16:37,273 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-09-21 09:16:37,274 INFO  L275        PluginConnector]: CDTParser initialized
[2019-09-21 09:16:37,275 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c
[2019-09-21 09:16:37,336 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95abb7836/f7a1656271824ca3801f87213597c562/FLAG372968dca
[2019-09-21 09:16:37,862 INFO  L306              CDTParser]: Found 1 translation units.
[2019-09-21 09:16:37,862 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c
[2019-09-21 09:16:37,881 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95abb7836/f7a1656271824ca3801f87213597c562/FLAG372968dca
[2019-09-21 09:16:38,178 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95abb7836/f7a1656271824ca3801f87213597c562
[2019-09-21 09:16:38,187 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-09-21 09:16:38,188 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-09-21 09:16:38,189 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:38,190 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-09-21 09:16:38,193 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-09-21 09:16:38,194 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:38,198 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24847820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38, skipping insertion in model container
[2019-09-21 09:16:38,198 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:38,206 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-09-21 09:16:38,263 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-09-21 09:16:38,791 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:38,813 INFO  L188         MainTranslator]: Completed pre-run
[2019-09-21 09:16:38,929 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-09-21 09:16:38,966 INFO  L192         MainTranslator]: Completed translation
[2019-09-21 09:16:38,967 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38 WrapperNode
[2019-09-21 09:16:38,967 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-09-21 09:16:38,968 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-09-21 09:16:38,968 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-09-21 09:16:38,968 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-09-21 09:16:38,979 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:38,980 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,000 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,001 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,028 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,037 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,043 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
[2019-09-21 09:16:39,050 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-09-21 09:16:39,051 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-09-21 09:16:39,051 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-09-21 09:16:39,051 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-09-21 09:16:39,052 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:16:38" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-09-21 09:16:39,120 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-09-21 09:16:39,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-09-21 09:16:39,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:39,121 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:39,122 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:39,122 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:39,123 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-09-21 09:16:39,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-09-21 09:16:39,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-09-21 09:16:39,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-09-21 09:16:39,124 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:39,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-09-21 09:16:39,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2019-09-21 09:16:39,125 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-09-21 09:16:39,126 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-09-21 09:16:39,126 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-09-21 09:16:39,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-09-21 09:16:39,128 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-09-21 09:16:39,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-09-21 09:16:39,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-09-21 09:16:39,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-09-21 09:16:39,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-09-21 09:16:39,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-09-21 09:16:39,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-09-21 09:16:39,132 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-09-21 09:16:39,133 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-09-21 09:16:39,134 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-09-21 09:16:39,135 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-09-21 09:16:39,136 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-09-21 09:16:39,137 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-09-21 09:16:39,138 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-09-21 09:16:39,139 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-09-21 09:16:39,139 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-09-21 09:16:39,139 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-09-21 09:16:39,139 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-09-21 09:16:40,717 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-09-21 09:16:40,718 INFO  L283             CfgBuilder]: Removed 5 assume(true) statements.
[2019-09-21 09:16:40,719 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:40 BoogieIcfgContainer
[2019-09-21 09:16:40,720 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-09-21 09:16:40,720 INFO  L113        PluginConnector]: ------------------------Sifa----------------------------
[2019-09-21 09:16:40,721 INFO  L271        PluginConnector]: Initializing Sifa...
[2019-09-21 09:16:40,721 INFO  L275        PluginConnector]: Sifa initialized
[2019-09-21 09:16:40,722 INFO  L185        PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:16:40" (1/1) ...
[2019-09-21 09:16:40,723 INFO  L79            SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds
(negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than
(negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid
[2019-09-21 09:16:40,761 INFO  L162        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-09-21 09:16:40,761 INFO  L169        IcfgInterpreter]: Building call graph
[2019-09-21 09:16:40,776 INFO  L174        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-09-21 09:16:40,787 INFO  L179        IcfgInterpreter]: Starting interpretation
[2019-09-21 09:16:40,789 INFO  L199        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs
[2019-09-21 09:16:51,607 WARN  L191               SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 464
[2019-09-21 09:16:53,334 WARN  L191               SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129
[2019-09-21 09:16:53,492 WARN  L191               SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 472
[2019-09-21 09:16:53,566 INFO  L199        IcfgInterpreter]: Interpreting procedure main with input of size 110 for LOIs
[2019-09-21 09:16:53,622 INFO  L199        IcfgInterpreter]: Interpreting procedure runTest with input of size 110 for LOIs
[2019-09-21 09:16:53,626 INFO  L199        IcfgInterpreter]: Interpreting procedure test with input of size 110 for LOIs
[2019-09-21 09:16:54,635 INFO  L199        IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs
[2019-09-21 09:16:54,637 INFO  L199        IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs
[2019-09-21 09:16:54,664 INFO  L199        IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 102 for LOIs
[2019-09-21 09:16:54,670 INFO  L199        IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 102 for LOIs
[2019-09-21 09:16:54,686 INFO  L183        IcfgInterpreter]: Interpretation finished
[2019-09-21 09:16:54,687 INFO  L191        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-09-21 09:16:54,689 INFO  L193        IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 244#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|))
[2019-09-21 09:16:54,703 INFO  L104           SifaObserver]: ✘ Some error locations might be reachable, see reported results.
[2019-09-21 09:16:54,703 INFO  L132        PluginConnector]: ------------------------ END Sifa----------------------------
[2019-09-21 09:16:54,705 INFO  L168              Benchmark]: Toolchain (without parser) took 16516.08 ms. Allocated memory was 141.0 MB in the beginning and 330.3 MB in the end (delta: 189.3 MB). Free memory was 87.1 MB in the beginning and 276.2 MB in the end (delta: -189.0 MB). Peak memory consumption was 246.7 kB. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,706 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,707 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 777.91 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 86.9 MB in the beginning and 168.9 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,708 INFO  L168              Benchmark]: Boogie Preprocessor took 82.62 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,709 INFO  L168              Benchmark]: RCFGBuilder took 1668.76 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 152.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,709 INFO  L168              Benchmark]: Sifa took 13982.92 ms. Allocated memory was 229.6 MB in the beginning and 330.3 MB in the end (delta: 100.7 MB). Free memory was 152.6 MB in the beginning and 276.2 MB in the end (delta: -123.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-09-21 09:16:54,713 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 777.91 ms. Allocated memory was 141.0 MB in the beginning and 202.4 MB in the end (delta: 61.3 MB). Free memory was 86.9 MB in the beginning and 168.9 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 82.62 ms. Allocated memory is still 202.4 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1668.76 ms. Allocated memory was 202.4 MB in the beginning and 229.6 MB in the end (delta: 27.3 MB). Free memory was 164.7 MB in the beginning and 152.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 88.7 MB. Max. memory is 7.1 GB.
 * Sifa took 13982.92 ms. Allocated memory was 229.6 MB in the beginning and 330.3 MB in the end (delta: 100.7 MB). Free memory was 152.6 MB in the beginning and 276.2 MB in the end (delta: -123.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa:
  - StatisticsResult: Symbolic Interpretation with Fluid Abstractions
    OVERALL_TIME[ms]: 13928, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 165, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 106, TOOLS_POST_TIME[ms]: 12671, TOOLS_POST_CALL_APPLICATIONS: 44, TOOLS_POST_CALL_TIME[ms]: 155, TOOLS_POST_RETURN_APPLICATIONS: 37, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 186, TOOLS_QUANTIFIERELIM_TIME[ms]: 12799, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12606, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 171, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 779, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 65, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 767, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 766, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 37, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12724, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12723, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 337, DAG_COMPRESSION_RETAINED_NODES: 167
  - UnprovableResult [Line: 410]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Over-approximation of reachable states at this location is 244#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= 0 |#t~string27.offset|) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= 0 |#t~string40.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string64.offset|) (<= 0 |#t~string18.offset|) (<= 0 |#t~string46.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string21.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string64.offset| 0) (<= |#t~string44.offset| 0) (<= |#t~string40.offset| 0) (<= |#t~string18.offset| 0) (<= |#t~string27.offset| 0) (<= 0 |#t~string56.offset|) (<= |#t~string66.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string42.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= |#t~string62.offset| 0) (<= 0 ~pumpRunning~0) (<= 0 |#t~string38.offset|) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string68.offset|) (<= 0 |#t~string28.offset|)). 
Possible FailurePath: 

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...