/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 11:55:49,083 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 11:55:49,086 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 11:55:49,112 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 11:55:49,112 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 11:55:49,114 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 11:55:49,115 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 11:55:49,117 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 11:55:49,119 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 11:55:49,120 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 11:55:49,121 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 11:55:49,122 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 11:55:49,122 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 11:55:49,123 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 11:55:49,124 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 11:55:49,125 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 11:55:49,126 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 11:55:49,127 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 11:55:49,129 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 11:55:49,130 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 11:55:49,132 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 11:55:49,133 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 11:55:49,134 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 11:55:49,135 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 11:55:49,138 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 11:55:49,138 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 11:55:49,138 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 11:55:49,139 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 11:55:49,140 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 11:55:49,141 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 11:55:49,141 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 11:55:49,142 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 11:55:49,143 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 11:55:49,143 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 11:55:49,145 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 11:55:49,145 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 11:55:49,145 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 11:55:49,146 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 11:55:49,146 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 11:55:49,147 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 11:55:49,147 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 11:55:49,148 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
[2020-08-18 11:55:49,172 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 11:55:49,172 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 11:55:49,174 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 11:55:49,177 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 11:55:49,177 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 11:55:49,178 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 11:55:49,178 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 11:55:49,178 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 11:55:49,178 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 11:55:49,178 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 11:55:49,178 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 11:55:49,179 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 11:55:49,179 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 11:55:49,179 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 11:55:49,179 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 11:55:49,179 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 11:55:49,180 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 11:55:49,185 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 11:55:49,185 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 11:55:49,186 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 11:55:49,186 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 11:55:49,186 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 11:55:49,186 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 11:55:49,186 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 11:55:49,187 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 11:55:49,187 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 11:55:49,187 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 11:55:49,187 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 11:55:49,187 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 11:55:49,188 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 -> enumeration-timeout=5;interpolation-heuristic=SMALLEST;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST;
[2020-08-18 11:55:49,497 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 11:55:49,510 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 11:55:49,513 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 11:55:49,515 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 11:55:49,515 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 11:55:49,516 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c
[2020-08-18 11:55:49,596 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02bc157a6/1643a934c7c048da991ad9dbd17fd6b2/FLAG07fd7dc31
[2020-08-18 11:55:50,157 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 11:55:50,158 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product13.cil.c
[2020-08-18 11:55:50,171 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02bc157a6/1643a934c7c048da991ad9dbd17fd6b2/FLAG07fd7dc31
[2020-08-18 11:55:50,435 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/02bc157a6/1643a934c7c048da991ad9dbd17fd6b2
[2020-08-18 11:55:50,445 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 11:55:50,447 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 11:55:50,451 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 11:55:50,451 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 11:55:50,455 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 11:55:50,456 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:55:50" (1/1) ...
[2020-08-18 11:55:50,460 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d87a57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:50, skipping insertion in model container
[2020-08-18 11:55:50,460 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:55:50" (1/1) ...
[2020-08-18 11:55:50,469 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 11:55:50,536 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 11:55:50,883 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 11:55:50,895 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 11:55:51,060 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 11:55:51,105 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 11:55:51,105 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51 WrapperNode
[2020-08-18 11:55:51,106 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 11:55:51,107 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 11:55:51,107 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 11:55:51,107 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 11:55:51,123 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,125 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,144 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,145 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,177 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,187 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,192 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (1/1) ...
[2020-08-18 11:55:51,200 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 11:55:51,200 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 11:55:51,201 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 11:55:51,201 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 11:55:51,202 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (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
[2020-08-18 11:55:51,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 11:55:51,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 11:55:51,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 11:55:51,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 11:55:51,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 11:55:51,269 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 11:55:51,270 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 11:55:51,271 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 11:55:51,272 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 11:55:51,273 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 11:55:51,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 11:55:51,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 11:55:51,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 11:55:51,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 11:55:51,274 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 11:55:51,274 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 11:55:51,275 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 11:55:51,276 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 11:55:51,277 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 11:55:51,278 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 11:55:51,279 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 11:55:51,280 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 11:55:51,281 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 11:55:51,282 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 11:55:51,282 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 11:55:52,476 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 11:55:52,477 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 11:55:52,482 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:55:52 BoogieIcfgContainer
[2020-08-18 11:55:52,482 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 11:55:52,483 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 11:55:52,484 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 11:55:52,487 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 11:55:52,487 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:55:50" (1/3) ...
[2020-08-18 11:55:52,488 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa347da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:55:52, skipping insertion in model container
[2020-08-18 11:55:52,488 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:55:51" (2/3) ...
[2020-08-18 11:55:52,489 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa347da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:55:52, skipping insertion in model container
[2020-08-18 11:55:52,489 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:55:52" (3/3) ...
[2020-08-18 11:55:52,490 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product13.cil.c
[2020-08-18 11:55:52,501 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 11:55:52,509 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 11:55:52,523 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 11:55:52,547 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 11:55:52,548 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 11:55:52,548 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 11:55:52,548 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 11:55:52,549 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 11:55:52,549 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 11:55:52,549 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 11:55:52,549 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 11:55:52,572 INFO  L276                IsEmpty]: Start isEmpty. Operand 155 states.
[2020-08-18 11:55:52,581 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-18 11:55:52,582 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 11:55:52,583 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]
[2020-08-18 11:55:52,583 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 11:55:52,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 11:55:52,590 INFO  L82        PathProgramCache]: Analyzing trace with hash -1769963120, now seen corresponding path program 1 times
[2020-08-18 11:55:52,599 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 11:55:52,599 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674703122]
[2020-08-18 11:55:52,600 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 11:55:52,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,246 WARN  L193               SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:55:53,248 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 11:55:53,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,299 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 11:55:53,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,302 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 11:55:53,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,304 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 11:55:53,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,307 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 11:55:53,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,320 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 11:55:53,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,323 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-18 11:55:53,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,326 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-08-18 11:55:53,329 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:53,345 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 11:55:53,346 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674703122]
[2020-08-18 11:55:53,349 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 11:55:53,354 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 11:55:53,355 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576054907]
[2020-08-18 11:55:53,362 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 11:55:53,363 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 11:55:53,380 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 11:55:53,381 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-18 11:55:53,384 INFO  L87              Difference]: Start difference. First operand 155 states. Second operand 4 states.
[2020-08-18 11:55:54,413 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 11:55:54,414 INFO  L93              Difference]: Finished difference Result 236 states and 314 transitions.
[2020-08-18 11:55:54,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-18 11:55:54,416 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 51
[2020-08-18 11:55:54,416 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 11:55:54,430 INFO  L225             Difference]: With dead ends: 236
[2020-08-18 11:55:54,430 INFO  L226             Difference]: Without dead ends: 133
[2020-08-18 11:55:54,434 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-18 11:55:54,455 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2020-08-18 11:55:54,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104.
[2020-08-18 11:55:54,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 104 states.
[2020-08-18 11:55:54,523 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 122 transitions.
[2020-08-18 11:55:54,525 INFO  L78                 Accepts]: Start accepts. Automaton has 104 states and 122 transitions. Word has length 51
[2020-08-18 11:55:54,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 11:55:54,525 INFO  L479      AbstractCegarLoop]: Abstraction has 104 states and 122 transitions.
[2020-08-18 11:55:54,526 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 11:55:54,526 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions.
[2020-08-18 11:55:54,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 11:55:54,529 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 11:55:54,529 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]
[2020-08-18 11:55:54,530 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 11:55:54,530 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 11:55:54,530 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 11:55:54,530 INFO  L82        PathProgramCache]: Analyzing trace with hash -196862469, now seen corresponding path program 1 times
[2020-08-18 11:55:54,531 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 11:55:54,531 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956948869]
[2020-08-18 11:55:54,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 11:55:54,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,896 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:55:54,897 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 11:55:54,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,925 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 11:55:54,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,927 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 11:55:54,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,929 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 11:55:54,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,932 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 11:55:54,932 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,940 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 11:55:54,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,943 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-18 11:55:54,943 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,945 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 11:55:54,945 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:54,953 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 11:55:54,953 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956948869]
[2020-08-18 11:55:54,954 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 11:55:54,954 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-18 11:55:54,954 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490768533]
[2020-08-18 11:55:54,956 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-18 11:55:54,956 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 11:55:54,957 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-18 11:55:54,957 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-18 11:55:54,957 INFO  L87              Difference]: Start difference. First operand 104 states and 122 transitions. Second operand 5 states.
[2020-08-18 11:55:55,441 WARN  L193               SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-18 11:55:56,040 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 11:55:56,041 INFO  L93              Difference]: Finished difference Result 181 states and 225 transitions.
[2020-08-18 11:55:56,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-08-18 11:55:56,041 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 52
[2020-08-18 11:55:56,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 11:55:56,044 INFO  L225             Difference]: With dead ends: 181
[2020-08-18 11:55:56,044 INFO  L226             Difference]: Without dead ends: 123
[2020-08-18 11:55:56,047 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-08-18 11:55:56,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2020-08-18 11:55:56,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95.
[2020-08-18 11:55:56,082 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 95 states.
[2020-08-18 11:55:56,084 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions.
[2020-08-18 11:55:56,084 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 52
[2020-08-18 11:55:56,085 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 11:55:56,085 INFO  L479      AbstractCegarLoop]: Abstraction has 95 states and 110 transitions.
[2020-08-18 11:55:56,085 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-18 11:55:56,085 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions.
[2020-08-18 11:55:56,094 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-08-18 11:55:56,094 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 11:55:56,094 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]
[2020-08-18 11:55:56,095 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 11:55:56,095 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 11:55:56,095 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 11:55:56,095 INFO  L82        PathProgramCache]: Analyzing trace with hash 1769510197, now seen corresponding path program 1 times
[2020-08-18 11:55:56,096 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 11:55:56,096 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178377193]
[2020-08-18 11:55:56,096 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 11:55:56,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,461 WARN  L193               SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:55:56,462 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 11:55:56,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,506 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 11:55:56,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,510 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 11:55:56,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,512 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 11:55:56,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,551 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 11:55:56,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,564 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 11:55:56,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,567 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2020-08-18 11:55:56,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,575 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-18 11:55:56,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:56,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 11:55:56,591 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178377193]
[2020-08-18 11:55:56,592 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 11:55:56,592 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 11:55:56,593 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783695833]
[2020-08-18 11:55:56,593 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 11:55:56,593 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 11:55:56,594 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 11:55:56,594 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 11:55:56,597 INFO  L87              Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 9 states.
[2020-08-18 11:55:56,958 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 11:55:57,309 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:55:57,550 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:55:57,788 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:55:58,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 11:55:58,691 INFO  L93              Difference]: Finished difference Result 190 states and 240 transitions.
[2020-08-18 11:55:58,693 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-18 11:55:58,693 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 56
[2020-08-18 11:55:58,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 11:55:58,695 INFO  L225             Difference]: With dead ends: 190
[2020-08-18 11:55:58,695 INFO  L226             Difference]: Without dead ends: 123
[2020-08-18 11:55:58,697 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2020-08-18 11:55:58,697 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2020-08-18 11:55:58,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95.
[2020-08-18 11:55:58,726 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 95 states.
[2020-08-18 11:55:58,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions.
[2020-08-18 11:55:58,727 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 56
[2020-08-18 11:55:58,727 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 11:55:58,727 INFO  L479      AbstractCegarLoop]: Abstraction has 95 states and 109 transitions.
[2020-08-18 11:55:58,727 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 11:55:58,728 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions.
[2020-08-18 11:55:58,728 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-08-18 11:55:58,729 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 11:55:58,729 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, 1, 1, 1, 1, 1, 1]
[2020-08-18 11:55:58,729 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 11:55:58,729 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 11:55:58,730 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 11:55:58,730 INFO  L82        PathProgramCache]: Analyzing trace with hash -1543424388, now seen corresponding path program 1 times
[2020-08-18 11:55:58,730 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 11:55:58,730 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440114990]
[2020-08-18 11:55:58,731 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 11:55:58,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,045 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:55:59,047 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 11:55:59,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,106 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 11:55:59,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,113 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 11:55:59,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,115 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 11:55:59,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,119 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 11:55:59,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,129 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 11:55:59,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,142 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 11:55:59,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,145 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 11:55:59,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,147 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-08-18 11:55:59,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,166 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-08-18 11:55:59,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:55:59,176 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 11:55:59,195 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440114990]
[2020-08-18 11:55:59,196 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 11:55:59,196 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-18 11:55:59,196 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960813704]
[2020-08-18 11:55:59,199 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-18 11:55:59,199 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 11:55:59,200 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-18 11:55:59,201 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-18 11:55:59,201 INFO  L87              Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 9 states.
[2020-08-18 11:55:59,566 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 11:56:00,435 WARN  L193               SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:00,803 WARN  L193               SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 11:56:01,334 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:01,558 WARN  L193               SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:02,136 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 11:56:02,136 INFO  L93              Difference]: Finished difference Result 292 states and 393 transitions.
[2020-08-18 11:56:02,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-08-18 11:56:02,137 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 64
[2020-08-18 11:56:02,138 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 11:56:02,142 INFO  L225             Difference]: With dead ends: 292
[2020-08-18 11:56:02,142 INFO  L226             Difference]: Without dead ends: 225
[2020-08-18 11:56:02,143 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380
[2020-08-18 11:56:02,145 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 225 states.
[2020-08-18 11:56:02,194 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 152.
[2020-08-18 11:56:02,194 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 152 states.
[2020-08-18 11:56:02,195 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions.
[2020-08-18 11:56:02,195 INFO  L78                 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 64
[2020-08-18 11:56:02,195 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 11:56:02,196 INFO  L479      AbstractCegarLoop]: Abstraction has 152 states and 178 transitions.
[2020-08-18 11:56:02,196 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-18 11:56:02,196 INFO  L276                IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions.
[2020-08-18 11:56:02,197 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-08-18 11:56:02,197 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 11:56:02,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 11:56:02,198 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 11:56:02,198 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 11:56:02,198 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 11:56:02,198 INFO  L82        PathProgramCache]: Analyzing trace with hash -1297581992, now seen corresponding path program 1 times
[2020-08-18 11:56:02,198 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 11:56:02,199 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [476740409]
[2020-08-18 11:56:02,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 11:56:02,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,477 WARN  L193               SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:56:02,478 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 11:56:02,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,506 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 11:56:02,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 11:56:02,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,510 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 11:56:02,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,512 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 11:56:02,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,530 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-18 11:56:02,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,541 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-08-18 11:56:02,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,553 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-18 11:56:02,554 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,556 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-18 11:56:02,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,558 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-08-18 11:56:02,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,564 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59
[2020-08-18 11:56:02,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 11:56:02,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-18 11:56:02,587 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [476740409]
[2020-08-18 11:56:02,587 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 11:56:02,587 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-08-18 11:56:02,588 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826255975]
[2020-08-18 11:56:02,588 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-18 11:56:02,588 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 11:56:02,589 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-18 11:56:02,589 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2020-08-18 11:56:02,589 INFO  L87              Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 10 states.
[2020-08-18 11:56:02,981 WARN  L193               SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-18 11:56:03,830 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:04,071 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:04,335 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-18 11:56:04,545 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 11:56:04,546 INFO  L93              Difference]: Finished difference Result 279 states and 356 transitions.
[2020-08-18 11:56:04,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-08-18 11:56:04,547 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 68
[2020-08-18 11:56:04,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 11:56:04,547 INFO  L225             Difference]: With dead ends: 279
[2020-08-18 11:56:04,548 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 11:56:04,550 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342
[2020-08-18 11:56:04,551 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 11:56:04,551 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 11:56:04,551 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 11:56:04,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 11:56:04,552 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2020-08-18 11:56:04,552 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 11:56:04,552 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 11:56:04,552 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-18 11:56:04,552 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 11:56:04,552 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 11:56:04,553 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 11:56:04,555 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 11:56:06,623 WARN  L193               SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-18 11:56:06,763 WARN  L193               SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:06,944 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:07,229 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 11:56:07,559 WARN  L193               SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-18 11:56:07,888 WARN  L193               SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-18 11:56:08,203 WARN  L193               SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12
[2020-08-18 11:56:08,385 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:08,584 WARN  L193               SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:08,883 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 11:56:09,194 WARN  L193               SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-18 11:56:09,375 WARN  L193               SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:09,588 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15
[2020-08-18 11:56:09,750 WARN  L193               SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-18 11:56:09,932 WARN  L193               SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-18 11:56:10,100 WARN  L193               SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25
[2020-08-18 11:56:10,270 WARN  L193               SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25
[2020-08-18 11:56:10,428 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-18 11:56:10,736 WARN  L193               SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-18 11:56:11,042 WARN  L193               SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 11:56:11,218 WARN  L193               SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17
[2020-08-18 11:56:11,535 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-18 11:56:11,545 INFO  L268        CegarLoopResult]: For program point  L353-2(lines 353 374)  no Hoare annotation was computed.
[2020-08-18 11:56:11,545 INFO  L268        CegarLoopResult]: For program point  L375(lines 352 376)  no Hoare annotation was computed.
[2020-08-18 11:56:11,545 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 328 383)  no Hoare annotation was computed.
[2020-08-18 11:56:11,545 INFO  L268        CegarLoopResult]: For program point  L359(lines 359 363)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 328 383)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  L359-1(lines 359 363)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 328 383)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  L354(line 354)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  L416(lines 416 420)  no Hoare annotation was computed.
[2020-08-18 11:56:11,546 INFO  L268        CegarLoopResult]: For program point  L416-1(lines 416 420)  no Hoare annotation was computed.
[2020-08-18 11:56:11,547 INFO  L268        CegarLoopResult]: For program point  L411(line 411)  no Hoare annotation was computed.
[2020-08-18 11:56:11,549 INFO  L268        CegarLoopResult]: For program point  L410-2(lines 410 435)  no Hoare annotation was computed.
[2020-08-18 11:56:11,549 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 384 443)  no Hoare annotation was computed.
[2020-08-18 11:56:11,549 INFO  L268        CegarLoopResult]: For program point  L436(lines 409 437)  no Hoare annotation was computed.
[2020-08-18 11:56:11,549 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 384 443)  no Hoare annotation was computed.
[2020-08-18 11:56:11,549 INFO  L268        CegarLoopResult]: For program point  L429(line 429)  no Hoare annotation was computed.
[2020-08-18 11:56:11,550 INFO  L268        CegarLoopResult]: For program point  L429-1(line 429)  no Hoare annotation was computed.
[2020-08-18 11:56:11,550 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 384 443)  no Hoare annotation was computed.
[2020-08-18 11:56:11,550 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 663 669)  the Hoare annotation is:  true
[2020-08-18 11:56:11,550 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 663 669)  no Hoare annotation was computed.
[2020-08-18 11:56:11,550 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 670 678)  no Hoare annotation was computed.
[2020-08-18 11:56:11,550 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 670 678)  the Hoare annotation is:  true
[2020-08-18 11:56:11,551 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 670 678)  no Hoare annotation was computed.
[2020-08-18 11:56:11,551 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 873 895)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,551 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 873 895)  no Hoare annotation was computed.
[2020-08-18 11:56:11,551 INFO  L264        CegarLoopResult]: At program point  L885(line 885)  the Hoare annotation is:  (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,551 INFO  L264        CegarLoopResult]: At program point  L885-1(line 885)  the Hoare annotation is:  (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,552 INFO  L268        CegarLoopResult]: For program point  L883(lines 883 890)  no Hoare annotation was computed.
[2020-08-18 11:56:11,552 INFO  L268        CegarLoopResult]: For program point  L883-1(lines 883 890)  no Hoare annotation was computed.
[2020-08-18 11:56:11,552 INFO  L268        CegarLoopResult]: For program point  L881(line 881)  no Hoare annotation was computed.
[2020-08-18 11:56:11,552 INFO  L264        CegarLoopResult]: At program point  L880(line 880)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,552 INFO  L264        CegarLoopResult]: At program point  L879(line 879)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,552 INFO  L264        CegarLoopResult]: At program point  L879-1(line 879)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 873 895)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 831 854)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 831 854)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 831 854)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  L849(line 849)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  L848(line 848)  no Hoare annotation was computed.
[2020-08-18 11:56:11,553 INFO  L268        CegarLoopResult]: For program point  L847(line 847)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L846(line 846)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L845(line 845)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L844(line 844)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L843(line 843)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L842(line 842)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L841(line 841)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L840(line 840)  no Hoare annotation was computed.
[2020-08-18 11:56:11,554 INFO  L268        CegarLoopResult]: For program point  L839(line 839)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  L838(line 838)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  L837(line 837)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  L836(line 836)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 153 159)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryFINAL(lines 153 159)  the Hoare annotation is:  true
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 186 193)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 186 193)  no Hoare annotation was computed.
[2020-08-18 11:56:11,555 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 186 193)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 230 238)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 230 238)  the Hoare annotation is:  true
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 230 238)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  L258-2(lines 258 266)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  L246(lines 246 254)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  L246-2(lines 246 254)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 239 274)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  L269(line 269)  no Hoare annotation was computed.
[2020-08-18 11:56:11,556 INFO  L268        CegarLoopResult]: For program point  L269-1(line 269)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 239 274)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 239 274)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  L258(lines 258 266)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 656 662)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 656 662)  the Hoare annotation is:  true
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 282 327)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 282 327)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 282 327)  no Hoare annotation was computed.
[2020-08-18 11:56:11,557 INFO  L268        CegarLoopResult]: For program point  L609(lines 609 629)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  L609-1(lines 609 629)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 595 640)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 595 640)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  L615(lines 615 622)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 595 640)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 862 872)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 862 872)  no Hoare annotation was computed.
[2020-08-18 11:56:11,558 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 862 872)  no Hoare annotation was computed.
[2020-08-18 11:56:11,559 INFO  L264        CegarLoopResult]: At program point  L867(line 867)  the Hoare annotation is:  (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,559 INFO  L271        CegarLoopResult]: At program point  L224(line 224)  the Hoare annotation is:  true
[2020-08-18 11:56:11,559 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 219 229)  the Hoare annotation is:  true
[2020-08-18 11:56:11,559 INFO  L268        CegarLoopResult]: For program point  L224-1(line 224)  no Hoare annotation was computed.
[2020-08-18 11:56:11,559 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 219 229)  no Hoare annotation was computed.
[2020-08-18 11:56:11,559 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 219 229)  no Hoare annotation was computed.
[2020-08-18 11:56:11,559 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 211 218)  the Hoare annotation is:  true
[2020-08-18 11:56:11,559 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 211 218)  no Hoare annotation was computed.
[2020-08-18 11:56:11,560 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 211 218)  no Hoare annotation was computed.
[2020-08-18 11:56:11,560 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 161 185)  no Hoare annotation was computed.
[2020-08-18 11:56:11,560 INFO  L264        CegarLoopResult]: At program point  L180(line 180)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,560 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 161 185)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,560 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 161 185)  no Hoare annotation was computed.
[2020-08-18 11:56:11,560 INFO  L264        CegarLoopResult]: At program point  L175(line 175)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,560 INFO  L264        CegarLoopResult]: At program point  L171(line 171)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,561 INFO  L268        CegarLoopResult]: For program point  L169(lines 169 177)  no Hoare annotation was computed.
[2020-08-18 11:56:11,561 INFO  L264        CegarLoopResult]: At program point  L167(line 167)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,561 INFO  L268        CegarLoopResult]: For program point  L167-1(line 167)  no Hoare annotation was computed.
[2020-08-18 11:56:11,561 INFO  L268        CegarLoopResult]: For program point  L165(lines 165 182)  no Hoare annotation was computed.
[2020-08-18 11:56:11,561 INFO  L264        CegarLoopResult]: At program point  L97(lines 54 99)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 11:56:11,561 INFO  L268        CegarLoopResult]: For program point  L64(lines 64 70)  no Hoare annotation was computed.
[2020-08-18 11:56:11,561 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 44 107)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  L64-1(lines 64 70)  no Hoare annotation was computed.
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  L56(lines 56 60)  no Hoare annotation was computed.
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 44 107)  no Hoare annotation was computed.
[2020-08-18 11:56:11,562 INFO  L264        CegarLoopResult]: At program point  L100(lines 53 101)  the Hoare annotation is:  (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  L90(lines 90 94)  no Hoare annotation was computed.
[2020-08-18 11:56:11,562 INFO  L264        CegarLoopResult]: At program point  L90-2(lines 84 95)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  L55(lines 54 99)  no Hoare annotation was computed.
[2020-08-18 11:56:11,562 INFO  L268        CegarLoopResult]: For program point  L84(lines 84 95)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L264        CegarLoopResult]: At program point  L76(line 76)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 80)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  L74-1(lines 74 80)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 44 107)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L264        CegarLoopResult]: At program point  L66(line 66)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 549 594)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  L569(lines 569 576)  no Hoare annotation was computed.
[2020-08-18 11:56:11,563 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 549 594)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 583)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L268        CegarLoopResult]: For program point  L563-1(lines 563 583)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 549 594)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L264        CegarLoopResult]: At program point  L785(line 785)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 11:56:11,564 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__2ENTRY(lines 770 798)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 11:56:11,564 INFO  L268        CegarLoopResult]: For program point  L783(lines 783 789)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L268        CegarLoopResult]: For program point  L782(lines 782 792)  no Hoare annotation was computed.
[2020-08-18 11:56:11,564 INFO  L264        CegarLoopResult]: At program point  L780(line 780)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L780-1(line 780)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L778(lines 778 795)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L778-1(lines 770 798)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L264        CegarLoopResult]: At program point  L776(line 776)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L776-1(line 776)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__2EXIT(lines 770 798)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L736(lines 736 744)  no Hoare annotation was computed.
[2020-08-18 11:56:11,565 INFO  L268        CegarLoopResult]: For program point  L736-2(lines 736 744)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 728 750)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 728 750)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 728 750)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__1ENTRY(lines 762 769)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1FINAL(lines 762 769)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1EXIT(lines 762 769)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 446 548)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  L475(lines 475 491)  no Hoare annotation was computed.
[2020-08-18 11:56:11,566 INFO  L268        CegarLoopResult]: For program point  L535(lines 535 542)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L496(lines 495 515)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L527(line 527)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L527-1(line 527)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L492(lines 492 533)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 446 548)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L511(line 511)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L511-1(line 511)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L470(lines 470 474)  no Hoare annotation was computed.
[2020-08-18 11:56:11,567 INFO  L268        CegarLoopResult]: For program point  L534(lines 534 545)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 446 548)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  L497(lines 497 501)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  L495-2(lines 495 515)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  L516(lines 494 517)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 646 655)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 646 655)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 646 655)  no Hoare annotation was computed.
[2020-08-18 11:56:11,568 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,569 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#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)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-18 11:56:11,569 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,569 INFO  L268        CegarLoopResult]: For program point  L205(line 205)  no Hoare annotation was computed.
[2020-08-18 11:56:11,569 INFO  L268        CegarLoopResult]: For program point  L205-1(lines 194 210)  no Hoare annotation was computed.
[2020-08-18 11:56:11,569 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 194 210)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  L201(lines 201 207)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 194 210)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  L199(line 199)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  L199-1(line 199)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 751 759)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 751 759)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 751 759)  no Hoare annotation was computed.
[2020-08-18 11:56:11,570 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 707 718)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-18 11:56:11,571 INFO  L268        CegarLoopResult]: For program point  L711-1(lines 707 718)  no Hoare annotation was computed.
[2020-08-18 11:56:11,571 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 707 718)  no Hoare annotation was computed.
[2020-08-18 11:56:11,571 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,571 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,571 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,571 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 129 152)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,571 INFO  L264        CegarLoopResult]: At program point  L142(line 142)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,571 INFO  L264        CegarLoopResult]: At program point  L140(lines 140 146)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,572 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 129 152)  no Hoare annotation was computed.
[2020-08-18 11:56:11,572 INFO  L264        CegarLoopResult]: At program point  L135(line 135)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-18 11:56:11,572 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 129 152)  no Hoare annotation was computed.
[2020-08-18 11:56:11,572 INFO  L268        CegarLoopResult]: For program point  L133(lines 132 151)  no Hoare annotation was computed.
[2020-08-18 11:56:11,572 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 801 830)  no Hoare annotation was computed.
[2020-08-18 11:56:11,572 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 801 830)  the Hoare annotation is:  true
[2020-08-18 11:56:11,572 INFO  L271        CegarLoopResult]: At program point  L826(lines 801 830)  the Hoare annotation is:  true
[2020-08-18 11:56:11,572 INFO  L268        CegarLoopResult]: For program point  L822(line 822)  no Hoare annotation was computed.
[2020-08-18 11:56:11,573 INFO  L268        CegarLoopResult]: For program point  L815(lines 815 819)  no Hoare annotation was computed.
[2020-08-18 11:56:11,573 INFO  L271        CegarLoopResult]: At program point  L815-1(lines 815 819)  the Hoare annotation is:  true
[2020-08-18 11:56:11,573 INFO  L268        CegarLoopResult]: For program point  L812(line 812)  no Hoare annotation was computed.
[2020-08-18 11:56:11,573 INFO  L271        CegarLoopResult]: At program point  L811-2(lines 811 825)  the Hoare annotation is:  true
[2020-08-18 11:56:11,573 INFO  L271        CegarLoopResult]: At program point  L807(line 807)  the Hoare annotation is:  true
[2020-08-18 11:56:11,573 INFO  L268        CegarLoopResult]: For program point  L807-1(line 807)  no Hoare annotation was computed.
[2020-08-18 11:56:11,573 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 719 727)  the Hoare annotation is:  true
[2020-08-18 11:56:11,573 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 719 727)  no Hoare annotation was computed.
[2020-08-18 11:56:11,573 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 719 727)  no Hoare annotation was computed.
[2020-08-18 11:56:11,574 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 683 694)  the Hoare annotation is:  true
[2020-08-18 11:56:11,574 INFO  L268        CegarLoopResult]: For program point  L687-1(lines 683 694)  no Hoare annotation was computed.
[2020-08-18 11:56:11,574 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 683 694)  no Hoare annotation was computed.
[2020-08-18 11:56:11,574 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 855 861)  no Hoare annotation was computed.
[2020-08-18 11:56:11,574 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 855 861)  the Hoare annotation is:  true
[2020-08-18 11:56:11,574 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,574 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-18 11:56:11,574 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 11:56:11,574 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 11:56:11,575 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 695 706)  no Hoare annotation was computed.
[2020-08-18 11:56:11,578 INFO  L268        CegarLoopResult]: For program point  L699-1(lines 695 706)  no Hoare annotation was computed.
[2020-08-18 11:56:11,578 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 695 706)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-18 11:56:11,578 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 109 116)  no Hoare annotation was computed.
[2020-08-18 11:56:11,578 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 113)  no Hoare annotation was computed.
[2020-08-18 11:56:11,578 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 109 116)  the Hoare annotation is:  true
[2020-08-18 11:56:11,579 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 109 116)  no Hoare annotation was computed.
[2020-08-18 11:56:11,595 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:11 BoogieIcfgContainer
[2020-08-18 11:56:11,596 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 11:56:11,598 INFO  L168              Benchmark]: Toolchain (without parser) took 21150.47 ms. Allocated memory was 138.4 MB in the beginning and 600.3 MB in the end (delta: 461.9 MB). Free memory was 100.4 MB in the beginning and 464.4 MB in the end (delta: -364.0 MB). Peak memory consumption was 483.5 MB. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,598 INFO  L168              Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,599 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 655.84 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 172.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,600 INFO  L168              Benchmark]: Boogie Preprocessor took 93.19 ms. Allocated memory is still 201.3 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,601 INFO  L168              Benchmark]: RCFGBuilder took 1282.11 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 200.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,606 INFO  L168              Benchmark]: TraceAbstraction took 19112.23 ms. Allocated memory was 232.8 MB in the beginning and 600.3 MB in the end (delta: 367.5 MB). Free memory was 199.2 MB in the beginning and 464.4 MB in the end (delta: -265.2 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB.
[2020-08-18 11:56:11,612 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 655.84 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 172.0 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 93.19 ms. Allocated memory is still 201.3 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1282.11 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 200.6 MB in the end (delta: -33.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 19112.23 ms. Allocated memory was 232.8 MB in the beginning and 600.3 MB in the end (delta: 367.5 MB). Free memory was 199.2 MB in the beginning and 464.4 MB in the end (delta: -265.2 MB). Peak memory consumption was 487.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 113]: 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: 54]: Loop Invariant
    Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0)
  - InvariantResult [Line: 811]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 53]: Loop Invariant
    Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 801]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 216 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 822 SDslu, 385 SDs, 0 SdLazy, 1626 SolverSat, 571 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred 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, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 758 HoareAnnotationTreeSize, 246 FomulaSimplifications, 91539 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7400 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 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...