/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 13:52:11,029 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 13:52:11,032 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 13:52:11,056 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 13:52:11,056 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 13:52:11,058 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 13:52:11,059 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 13:52:11,061 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 13:52:11,062 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 13:52:11,063 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 13:52:11,064 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 13:52:11,065 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 13:52:11,066 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 13:52:11,067 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 13:52:11,068 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 13:52:11,069 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 13:52:11,070 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 13:52:11,071 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 13:52:11,072 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 13:52:11,074 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 13:52:11,076 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 13:52:11,077 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 13:52:11,078 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 13:52:11,078 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 13:52:11,081 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 13:52:11,081 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 13:52:11,081 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 13:52:11,082 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 13:52:11,083 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 13:52:11,084 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 13:52:11,084 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 13:52:11,085 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 13:52:11,085 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 13:52:11,086 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 13:52:11,087 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 13:52:11,087 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 13:52:11,088 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 13:52:11,088 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 13:52:11,088 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 13:52:11,089 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 13:52:11,090 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 13:52:11,091 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-21 13:52:11,114 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 13:52:11,115 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 13:52:11,116 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 13:52:11,116 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 13:52:11,116 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 13:52:11,116 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 13:52:11,117 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 13:52:11,117 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 13:52:11,117 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 13:52:11,117 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 13:52:11,117 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 13:52:11,118 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 13:52:11,119 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 13:52:11,119 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 13:52:11,119 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 13:52:11,119 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 13:52:11,119 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 13:52:11,120 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 13:52:11,120 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 13:52:11,120 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 13:52:11,120 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 13:52:11,120 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 13:52:11,121 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 13:52:11,121 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 13:52:11,121 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true;
[2020-08-21 13:52:11,410 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 13:52:11,422 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 13:52:11,426 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 13:52:11,427 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 13:52:11,428 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 13:52:11,429 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c
[2020-08-21 13:52:11,497 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2fb209db/374b20a3fcbf40c787dc08c31e0faa0d/FLAGc3a31187d
[2020-08-21 13:52:12,069 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 13:52:12,073 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c
[2020-08-21 13:52:12,092 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2fb209db/374b20a3fcbf40c787dc08c31e0faa0d/FLAGc3a31187d
[2020-08-21 13:52:12,359 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a2fb209db/374b20a3fcbf40c787dc08c31e0faa0d
[2020-08-21 13:52:12,367 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 13:52:12,368 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 13:52:12,369 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 13:52:12,370 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 13:52:12,373 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 13:52:12,374 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:12,376 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63832a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12, skipping insertion in model container
[2020-08-21 13:52:12,377 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:12,385 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 13:52:12,443 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 13:52:12,808 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:52:12,821 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 13:52:12,956 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 13:52:12,991 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 13:52:12,991 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12 WrapperNode
[2020-08-21 13:52:12,992 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 13:52:12,993 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 13:52:12,993 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 13:52:12,993 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 13:52:13,005 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,005 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,024 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,024 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,056 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,066 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,075 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
[2020-08-21 13:52:13,082 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 13:52:13,082 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 13:52:13,083 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 13:52:13,083 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 13:52:13,084 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-08-21 13:52:13,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 13:52:13,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 13:52:13,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 13:52:13,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-21 13:52:13,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-21 13:52:13,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-21 13:52:13,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-21 13:52:13,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-21 13:52:13,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-21 13:52:13,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-21 13:52:13,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:52:13,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-21 13:52:13,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-21 13:52:13,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-21 13:52:13,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 13:52:13,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 13:52:13,167 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-21 13:52:13,167 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-21 13:52:13,167 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-21 13:52:13,168 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-21 13:52:13,169 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-21 13:52:13,170 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-21 13:52:13,171 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 13:52:13,172 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-21 13:52:13,173 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-21 13:52:13,174 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-21 13:52:13,174 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 13:52:13,174 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-21 13:52:13,174 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 13:52:14,210 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 13:52:14,210 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-21 13:52:14,220 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:14 BoogieIcfgContainer
[2020-08-21 13:52:14,220 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 13:52:14,221 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 13:52:14,221 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 13:52:14,225 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 13:52:14,225 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:52:12" (1/3) ...
[2020-08-21 13:52:14,226 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:14, skipping insertion in model container
[2020-08-21 13:52:14,226 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:52:12" (2/3) ...
[2020-08-21 13:52:14,226 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2172949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:52:14, skipping insertion in model container
[2020-08-21 13:52:14,227 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:52:14" (3/3) ...
[2020-08-21 13:52:14,229 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c
[2020-08-21 13:52:14,240 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 13:52:14,248 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 13:52:14,263 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 13:52:14,287 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 13:52:14,287 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 13:52:14,287 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 13:52:14,287 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 13:52:14,288 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 13:52:14,288 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 13:52:14,288 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 13:52:14,288 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 13:52:14,315 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states.
[2020-08-21 13:52:14,327 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-21 13:52:14,327 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:14,328 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:52:14,329 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:14,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:14,336 INFO  L82        PathProgramCache]: Analyzing trace with hash -835397562, now seen corresponding path program 1 times
[2020-08-21 13:52:14,346 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:14,346 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708661957]
[2020-08-21 13:52:14,347 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:14,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,062 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:15,064 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:15,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,144 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:15,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,147 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:15,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,150 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:15,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,160 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:15,162 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,163 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-21 13:52:15,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,167 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-21 13:52:15,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:15,188 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:52:15,190 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708661957]
[2020-08-21 13:52:15,192 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:15,193 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-21 13:52:15,199 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267704587]
[2020-08-21 13:52:15,204 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-21 13:52:15,204 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:15,219 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-21 13:52:15,220 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:52:15,222 INFO  L87              Difference]: Start difference. First operand 127 states. Second operand 3 states.
[2020-08-21 13:52:16,104 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:16,104 INFO  L93              Difference]: Finished difference Result 199 states and 270 transitions.
[2020-08-21 13:52:16,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-21 13:52:16,108 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-21 13:52:16,108 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:16,127 INFO  L225             Difference]: With dead ends: 199
[2020-08-21 13:52:16,128 INFO  L226             Difference]: Without dead ends: 109
[2020-08-21 13:52:16,134 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-21 13:52:16,156 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-08-21 13:52:16,246 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81.
[2020-08-21 13:52:16,249 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2020-08-21 13:52:16,253 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions.
[2020-08-21 13:52:16,260 INFO  L78                 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46
[2020-08-21 13:52:16,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:16,261 INFO  L479      AbstractCegarLoop]: Abstraction has 81 states and 94 transitions.
[2020-08-21 13:52:16,261 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-21 13:52:16,261 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions.
[2020-08-21 13:52:16,266 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-21 13:52:16,266 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:16,266 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:52:16,267 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 13:52:16,267 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:16,267 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:16,267 INFO  L82        PathProgramCache]: Analyzing trace with hash -297882774, now seen corresponding path program 1 times
[2020-08-21 13:52:16,268 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:16,268 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646899063]
[2020-08-21 13:52:16,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:16,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,608 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:16,609 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:16,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,635 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:16,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,637 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:16,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,638 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:16,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,641 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:16,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,643 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-21 13:52:16,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,645 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 13:52:16,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:16,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:52:16,652 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646899063]
[2020-08-21 13:52:16,653 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:16,653 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 13:52:16,653 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217909507]
[2020-08-21 13:52:16,655 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 13:52:16,656 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:16,656 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 13:52:16,656 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 13:52:16,656 INFO  L87              Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 4 states.
[2020-08-21 13:52:17,112 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:52:17,539 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:17,539 INFO  L93              Difference]: Finished difference Result 132 states and 161 transitions.
[2020-08-21 13:52:17,540 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 13:52:17,540 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-21 13:52:17,541 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:17,542 INFO  L225             Difference]: With dead ends: 132
[2020-08-21 13:52:17,543 INFO  L226             Difference]: Without dead ends: 93
[2020-08-21 13:52:17,544 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-21 13:52:17,545 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2020-08-21 13:52:17,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72.
[2020-08-21 13:52:17,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2020-08-21 13:52:17,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions.
[2020-08-21 13:52:17,573 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47
[2020-08-21 13:52:17,573 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:17,573 INFO  L479      AbstractCegarLoop]: Abstraction has 72 states and 82 transitions.
[2020-08-21 13:52:17,573 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 13:52:17,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions.
[2020-08-21 13:52:17,575 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-21 13:52:17,575 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:17,576 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1]
[2020-08-21 13:52:17,576 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 13:52:17,576 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:17,577 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:17,577 INFO  L82        PathProgramCache]: Analyzing trace with hash 2081031283, now seen corresponding path program 1 times
[2020-08-21 13:52:17,577 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:17,577 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557470529]
[2020-08-21 13:52:17,578 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:17,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,890 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:17,892 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:17,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,924 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:17,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,926 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:17,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,928 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:17,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,931 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:17,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,933 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 13:52:17,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,935 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 13:52:17,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:17,943 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:52:17,943 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557470529]
[2020-08-21 13:52:17,943 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:17,944 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 13:52:17,944 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776560352]
[2020-08-21 13:52:17,944 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 13:52:17,945 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:17,945 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 13:52:17,945 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-21 13:52:17,945 INFO  L87              Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 4 states.
[2020-08-21 13:52:18,232 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:18,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:18,725 INFO  L93              Difference]: Finished difference Result 141 states and 175 transitions.
[2020-08-21 13:52:18,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-21 13:52:18,727 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 51
[2020-08-21 13:52:18,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:18,728 INFO  L225             Difference]: With dead ends: 141
[2020-08-21 13:52:18,729 INFO  L226             Difference]: Without dead ends: 93
[2020-08-21 13:52:18,730 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-21 13:52:18,730 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2020-08-21 13:52:18,752 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72.
[2020-08-21 13:52:18,752 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2020-08-21 13:52:18,753 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions.
[2020-08-21 13:52:18,753 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51
[2020-08-21 13:52:18,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:18,754 INFO  L479      AbstractCegarLoop]: Abstraction has 72 states and 81 transitions.
[2020-08-21 13:52:18,754 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 13:52:18,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions.
[2020-08-21 13:52:18,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2020-08-21 13:52:18,756 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:18,756 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1]
[2020-08-21 13:52:18,756 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 13:52:18,756 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:18,757 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:18,757 INFO  L82        PathProgramCache]: Analyzing trace with hash 1503869897, now seen corresponding path program 1 times
[2020-08-21 13:52:18,757 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:18,757 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906563115]
[2020-08-21 13:52:18,758 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:18,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,039 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:19,040 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:19,055 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,074 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:19,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,077 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:19,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,079 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:19,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,083 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:19,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,085 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-21 13:52:19,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,087 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-21 13:52:19,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,109 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2020-08-21 13:52:19,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:19,120 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:52:19,120 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906563115]
[2020-08-21 13:52:19,121 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:19,121 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-21 13:52:19,121 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426268067]
[2020-08-21 13:52:19,122 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-21 13:52:19,122 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:19,123 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-21 13:52:19,123 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-08-21 13:52:19,123 INFO  L87              Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states.
[2020-08-21 13:52:19,472 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:20,223 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:20,529 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:20,777 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:21,019 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:21,313 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 13:52:21,618 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:21,619 INFO  L93              Difference]: Finished difference Result 191 states and 239 transitions.
[2020-08-21 13:52:21,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-21 13:52:21,622 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 54
[2020-08-21 13:52:21,623 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:21,626 INFO  L225             Difference]: With dead ends: 191
[2020-08-21 13:52:21,627 INFO  L226             Difference]: Without dead ends: 143
[2020-08-21 13:52:21,628 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2020-08-21 13:52:21,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2020-08-21 13:52:21,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111.
[2020-08-21 13:52:21,656 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-08-21 13:52:21,657 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions.
[2020-08-21 13:52:21,657 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 54
[2020-08-21 13:52:21,657 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:21,657 INFO  L479      AbstractCegarLoop]: Abstraction has 111 states and 128 transitions.
[2020-08-21 13:52:21,658 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-21 13:52:21,658 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions.
[2020-08-21 13:52:21,659 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-08-21 13:52:21,659 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 13:52:21,659 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 13:52:21,660 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 13:52:21,660 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 13:52:21,660 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 13:52:21,660 INFO  L82        PathProgramCache]: Analyzing trace with hash 353010405, now seen corresponding path program 1 times
[2020-08-21 13:52:21,660 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 13:52:21,661 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834643406]
[2020-08-21 13:52:21,661 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 13:52:21,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:21,950 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:21,951 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 13:52:21,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:21,990 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 13:52:21,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:21,993 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 13:52:21,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:21,996 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 13:52:21,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:21,998 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 13:52:21,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:22,015 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-21 13:52:22,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:22,018 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 13:52:22,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:22,019 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-21 13:52:22,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:22,021 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-08-21 13:52:22,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 13:52:22,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 13:52:22,040 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834643406]
[2020-08-21 13:52:22,040 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 13:52:22,041 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-21 13:52:22,041 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55235612]
[2020-08-21 13:52:22,041 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-21 13:52:22,042 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 13:52:22,042 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-21 13:52:22,042 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-21 13:52:22,042 INFO  L87              Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 8 states.
[2020-08-21 13:52:22,360 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-21 13:52:23,073 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:23,305 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:23,541 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-21 13:52:23,702 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 13:52:23,703 INFO  L93              Difference]: Finished difference Result 217 states and 270 transitions.
[2020-08-21 13:52:23,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-21 13:52:23,703 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 58
[2020-08-21 13:52:23,704 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 13:52:23,704 INFO  L225             Difference]: With dead ends: 217
[2020-08-21 13:52:23,705 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 13:52:23,708 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-08-21 13:52:23,708 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 13:52:23,708 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 13:52:23,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 13:52:23,708 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 13:52:23,709 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58
[2020-08-21 13:52:23,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 13:52:23,709 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 13:52:23,709 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-21 13:52:23,709 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 13:52:23,709 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 13:52:23,710 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 13:52:23,712 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 13:52:24,277 WARN  L193               SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189
[2020-08-21 13:52:25,481 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:25,663 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:25,854 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:26,005 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:26,165 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:26,492 WARN  L193               SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12
[2020-08-21 13:52:26,646 WARN  L193               SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1
[2020-08-21 13:52:26,850 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-21 13:52:27,007 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1
[2020-08-21 13:52:27,317 WARN  L193               SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12
[2020-08-21 13:52:27,488 WARN  L193               SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:27,809 WARN  L193               SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12
[2020-08-21 13:52:27,972 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:28,292 WARN  L193               SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12
[2020-08-21 13:52:28,455 WARN  L193               SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1
[2020-08-21 13:52:28,680 WARN  L193               SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1
[2020-08-21 13:52:28,972 WARN  L193               SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 12
[2020-08-21 13:52:29,175 WARN  L193               SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  L574(lines 551 575)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 527 582)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  L558(lines 558 562)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  L558-1(lines 558 562)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  L553(line 553)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 527 582)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  L552-2(lines 552 573)  no Hoare annotation was computed.
[2020-08-21 13:52:29,180 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 527 582)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  L609-2(lines 609 634)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  L635(lines 608 636)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 583 642)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  L628(line 628)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  L628-1(line 628)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 583 642)  no Hoare annotation was computed.
[2020-08-21 13:52:29,181 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 583 642)  no Hoare annotation was computed.
[2020-08-21 13:52:29,182 INFO  L268        CegarLoopResult]: For program point  L615(lines 615 619)  no Hoare annotation was computed.
[2020-08-21 13:52:29,182 INFO  L268        CegarLoopResult]: For program point  L615-1(lines 615 619)  no Hoare annotation was computed.
[2020-08-21 13:52:29,182 INFO  L268        CegarLoopResult]: For program point  L610(line 610)  no Hoare annotation was computed.
[2020-08-21 13:52:29,182 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 246 252)  the Hoare annotation is:  true
[2020-08-21 13:52:29,182 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 246 252)  no Hoare annotation was computed.
[2020-08-21 13:52:29,182 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 253 261)  no Hoare annotation was computed.
[2020-08-21 13:52:29,183 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 253 261)  the Hoare annotation is:  true
[2020-08-21 13:52:29,183 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 253 261)  no Hoare annotation was computed.
[2020-08-21 13:52:29,183 INFO  L268        CegarLoopResult]: For program point  L130-1(lines 130 137)  no Hoare annotation was computed.
[2020-08-21 13:52:29,183 INFO  L268        CegarLoopResult]: For program point  L128(line 128)  no Hoare annotation was computed.
[2020-08-21 13:52:29,183 INFO  L264        CegarLoopResult]: At program point  L127(line 127)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,183 INFO  L264        CegarLoopResult]: At program point  L126(line 126)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,184 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 120 142)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,184 INFO  L264        CegarLoopResult]: At program point  L126-1(line 126)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,184 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 120 142)  no Hoare annotation was computed.
[2020-08-21 13:52:29,184 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 120 142)  no Hoare annotation was computed.
[2020-08-21 13:52:29,184 INFO  L264        CegarLoopResult]: At program point  L132(line 132)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,185 INFO  L264        CegarLoopResult]: At program point  L132-1(line 132)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  L130(lines 130 137)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  L93(line 93)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  L92(line 92)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 75 98)  no Hoare annotation was computed.
[2020-08-21 13:52:29,185 INFO  L268        CegarLoopResult]: For program point  L91(line 91)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L90(line 90)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L89(line 89)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L88(line 88)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L87(line 87)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L86(line 86)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L85(line 85)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-08-21 13:52:29,186 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  L82(line 82)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  L81(line 81)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 328 336)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 328 336)  the Hoare annotation is:  true
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 328 336)  no Hoare annotation was computed.
[2020-08-21 13:52:29,187 INFO  L268        CegarLoopResult]: For program point  L344(lines 344 352)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  L344-2(lines 344 352)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  L367(line 367)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 337 372)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  L367-1(line 367)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 337 372)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  L356(lines 356 364)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 337 372)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  L356-2(lines 356 364)  no Hoare annotation was computed.
[2020-08-21 13:52:29,188 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 239 245)  no Hoare annotation was computed.
[2020-08-21 13:52:29,189 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 239 245)  the Hoare annotation is:  true
[2020-08-21 13:52:29,189 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 481 526)  no Hoare annotation was computed.
[2020-08-21 13:52:29,189 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 481 526)  no Hoare annotation was computed.
[2020-08-21 13:52:29,189 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 481 526)  no Hoare annotation was computed.
[2020-08-21 13:52:29,189 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 107 116)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,189 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 107 116)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 107 116)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 794 839)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  L814(lines 814 821)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 794 839)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  L808(lines 808 828)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  L808-1(lines 808 828)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 794 839)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  L322-1(line 322)  no Hoare annotation was computed.
[2020-08-21 13:52:29,190 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 317 327)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 317 327)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 317 327)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  L322(line 322)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 309 316)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 309 316)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 309 316)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 294 300)  no Hoare annotation was computed.
[2020-08-21 13:52:29,191 INFO  L271        CegarLoopResult]: At program point  processEnvironmentFINAL(lines 294 300)  the Hoare annotation is:  true
[2020-08-21 13:52:29,192 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 374 437)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,192 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 374 437)  no Hoare annotation was computed.
[2020-08-21 13:52:29,192 INFO  L264        CegarLoopResult]: At program point  L430(lines 383 431)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 13:52:29,192 INFO  L268        CegarLoopResult]: For program point  L420(lines 420 424)  no Hoare annotation was computed.
[2020-08-21 13:52:29,192 INFO  L264        CegarLoopResult]: At program point  L420-2(lines 414 425)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0))
[2020-08-21 13:52:29,192 INFO  L268        CegarLoopResult]: For program point  L385(lines 384 429)  no Hoare annotation was computed.
[2020-08-21 13:52:29,192 INFO  L268        CegarLoopResult]: For program point  L414(lines 414 425)  no Hoare annotation was computed.
[2020-08-21 13:52:29,193 INFO  L264        CegarLoopResult]: At program point  L406(line 406)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0))
[2020-08-21 13:52:29,193 INFO  L268        CegarLoopResult]: For program point  L404(lines 404 410)  no Hoare annotation was computed.
[2020-08-21 13:52:29,193 INFO  L268        CegarLoopResult]: For program point  L404-1(lines 404 410)  no Hoare annotation was computed.
[2020-08-21 13:52:29,193 INFO  L264        CegarLoopResult]: At program point  L396(line 396)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0))
[2020-08-21 13:52:29,193 INFO  L264        CegarLoopResult]: At program point  L427(lines 384 429)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0))
[2020-08-21 13:52:29,193 INFO  L268        CegarLoopResult]: For program point  L394(lines 394 400)  no Hoare annotation was computed.
[2020-08-21 13:52:29,193 INFO  L268        CegarLoopResult]: For program point  L394-1(lines 394 400)  no Hoare annotation was computed.
[2020-08-21 13:52:29,193 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 374 437)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L386(lines 386 390)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L768(lines 768 775)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L762(lines 762 782)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 748 793)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L762-1(lines 762 782)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 748 793)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 748 793)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L203(lines 203 211)  no Hoare annotation was computed.
[2020-08-21 13:52:29,194 INFO  L268        CegarLoopResult]: For program point  L203-2(lines 203 211)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 195 217)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 229 238)  no Hoare annotation was computed.
[2020-08-21 13:52:29,195 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 645 747)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L669(lines 669 673)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L733(lines 733 744)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L696(lines 696 700)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L694-2(lines 694 714)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L715(lines 693 716)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 645 747)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L674(lines 674 690)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L734(lines 734 741)  no Hoare annotation was computed.
[2020-08-21 13:52:29,196 INFO  L268        CegarLoopResult]: For program point  L695(lines 694 714)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  L726(line 726)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  L726-1(line 726)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  L691(lines 691 732)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 645 747)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  L710(line 710)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  L710-1(line 710)  no Hoare annotation was computed.
[2020-08-21 13:52:29,197 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,198 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-21 13:52:29,198 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,198 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 301 308)  no Hoare annotation was computed.
[2020-08-21 13:52:29,198 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 301 308)  no Hoare annotation was computed.
[2020-08-21 13:52:29,198 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 301 308)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  L178-1(lines 174 185)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 174 185)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 174 185)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 218 226)  no Hoare annotation was computed.
[2020-08-21 13:52:29,199 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,200 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,200 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,200 INFO  L264        CegarLoopResult]: At program point  L283(line 283)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,200 INFO  L264        CegarLoopResult]: At program point  L281(lines 281 287)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,200 INFO  L264        CegarLoopResult]: At program point  L276(line 276)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,200 INFO  L268        CegarLoopResult]: For program point  L274(lines 273 292)  no Hoare annotation was computed.
[2020-08-21 13:52:29,200 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 270 293)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,200 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 270 293)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 270 293)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 42 71)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 42 71)  the Hoare annotation is:  true
[2020-08-21 13:52:29,201 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 60)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L271        CegarLoopResult]: At program point  L56-1(lines 56 60)  the Hoare annotation is:  true
[2020-08-21 13:52:29,201 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-08-21 13:52:29,201 INFO  L271        CegarLoopResult]: At program point  L52-2(lines 52 66)  the Hoare annotation is:  true
[2020-08-21 13:52:29,201 INFO  L271        CegarLoopResult]: At program point  L48(line 48)  the Hoare annotation is:  true
[2020-08-21 13:52:29,202 INFO  L268        CegarLoopResult]: For program point  L48-1(line 48)  no Hoare annotation was computed.
[2020-08-21 13:52:29,202 INFO  L271        CegarLoopResult]: At program point  L67(lines 42 71)  the Hoare annotation is:  true
[2020-08-21 13:52:29,202 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 186 194)  the Hoare annotation is:  true
[2020-08-21 13:52:29,202 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 186 194)  no Hoare annotation was computed.
[2020-08-21 13:52:29,202 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 186 194)  no Hoare annotation was computed.
[2020-08-21 13:52:29,202 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 150 161)  the Hoare annotation is:  true
[2020-08-21 13:52:29,202 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 150 161)  no Hoare annotation was computed.
[2020-08-21 13:52:29,202 INFO  L268        CegarLoopResult]: For program point  L154-1(lines 150 161)  no Hoare annotation was computed.
[2020-08-21 13:52:29,203 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 99 105)  no Hoare annotation was computed.
[2020-08-21 13:52:29,203 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 99 105)  the Hoare annotation is:  true
[2020-08-21 13:52:29,203 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,203 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (<= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-21 13:52:29,203 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 13:52:29,203 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 13:52:29,203 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 162 173)  no Hoare annotation was computed.
[2020-08-21 13:52:29,204 INFO  L268        CegarLoopResult]: For program point  L166-1(lines 162 173)  no Hoare annotation was computed.
[2020-08-21 13:52:29,204 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 162 173)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,204 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 466 473)  no Hoare annotation was computed.
[2020-08-21 13:52:29,204 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 470)  no Hoare annotation was computed.
[2020-08-21 13:52:29,204 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 466 473)  the Hoare annotation is:  true
[2020-08-21 13:52:29,204 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 466 473)  no Hoare annotation was computed.
[2020-08-21 13:52:29,204 INFO  L268        CegarLoopResult]: For program point  L450-1(line 450)  no Hoare annotation was computed.
[2020-08-21 13:52:29,205 INFO  L268        CegarLoopResult]: For program point  L448(lines 448 461)  no Hoare annotation was computed.
[2020-08-21 13:52:29,205 INFO  L268        CegarLoopResult]: For program point  L448-1(lines 440 464)  no Hoare annotation was computed.
[2020-08-21 13:52:29,205 INFO  L271        CegarLoopResult]: At program point  L446(line 446)  the Hoare annotation is:  true
[2020-08-21 13:52:29,205 INFO  L268        CegarLoopResult]: For program point  L446-1(line 446)  no Hoare annotation was computed.
[2020-08-21 13:52:29,205 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 440 464)  the Hoare annotation is:  true
[2020-08-21 13:52:29,205 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 440 464)  no Hoare annotation was computed.
[2020-08-21 13:52:29,205 INFO  L264        CegarLoopResult]: At program point  L454(line 454)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)))
[2020-08-21 13:52:29,206 INFO  L268        CegarLoopResult]: For program point  L452(lines 452 458)  no Hoare annotation was computed.
[2020-08-21 13:52:29,206 INFO  L264        CegarLoopResult]: At program point  L450(line 450)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)))
[2020-08-21 13:52:29,221 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:52:29 BoogieIcfgContainer
[2020-08-21 13:52:29,221 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 13:52:29,223 INFO  L168              Benchmark]: Toolchain (without parser) took 16854.86 ms. Allocated memory was 139.5 MB in the beginning and 529.0 MB in the end (delta: 389.5 MB). Free memory was 101.7 MB in the beginning and 441.9 MB in the end (delta: -340.1 MB). Peak memory consumption was 404.8 MB. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,224 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,225 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 622.76 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 169.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,226 INFO  L168              Benchmark]: Boogie Preprocessor took 89.47 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,227 INFO  L168              Benchmark]: RCFGBuilder took 1137.54 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 200.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,227 INFO  L168              Benchmark]: TraceAbstraction took 15000.32 ms. Allocated memory was 235.4 MB in the beginning and 529.0 MB in the end (delta: 293.6 MB). Free memory was 200.6 MB in the beginning and 441.9 MB in the end (delta: -241.2 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB.
[2020-08-21 13:52:29,231 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 622.76 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 169.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 89.47 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1137.54 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 165.6 MB in the beginning and 200.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 15000.32 ms. Allocated memory was 235.4 MB in the beginning and 529.0 MB in the end (delta: 293.6 MB). Free memory was 200.6 MB in the beginning and 441.9 MB in the end (delta: -241.2 MB). Peak memory consumption was 407.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 470]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 384]: Loop Invariant
    Derived loop invariant: ((!(1 <= systemActive) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0
  - InvariantResult [Line: 52]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 42]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 383]: Loop Invariant
    Derived loop invariant: (!(1 <= systemActive) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 34 procedures, 194 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 339 SDtfs, 408 SDslu, 201 SDs, 0 SdLazy, 875 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 102 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 165 PreInvPairs, 191 NumberOfFragments, 539 HoareAnnotationTreeSize, 165 FomulaSimplifications, 23626 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 40 FomulaSimplificationsInter, 6404 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 68826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...