/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_spec1_product12.cil.c


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


This is Ultimate 0.1.25-5644d1e-m
[2020-08-18 16:49:49,895 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-18 16:49:49,897 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-18 16:49:49,922 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-18 16:49:49,923 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-18 16:49:49,924 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-18 16:49:49,926 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-18 16:49:49,928 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-18 16:49:49,929 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-18 16:49:49,930 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-18 16:49:49,931 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-18 16:49:49,932 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-18 16:49:49,933 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-18 16:49:49,934 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-18 16:49:49,935 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-18 16:49:49,936 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-18 16:49:49,937 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-18 16:49:49,942 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-18 16:49:49,944 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-18 16:49:49,949 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-18 16:49:49,953 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-18 16:49:49,954 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-18 16:49:49,955 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-18 16:49:49,956 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-18 16:49:49,961 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-18 16:49:49,961 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-18 16:49:49,962 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-18 16:49:49,963 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-18 16:49:49,963 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-18 16:49:49,965 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-18 16:49:49,966 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-18 16:49:49,966 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-18 16:49:49,968 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-18 16:49:49,969 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-18 16:49:49,971 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-18 16:49:49,971 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-18 16:49:49,972 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-18 16:49:49,972 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-18 16:49:49,972 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-18 16:49:49,973 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-18 16:49:49,975 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-18 16:49:49,976 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 16:49:50,027 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-18 16:49:50,027 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-18 16:49:50,030 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-18 16:49:50,030 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-18 16:49:50,030 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-18 16:49:50,031 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-18 16:49:50,031 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-18 16:49:50,031 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-18 16:49:50,032 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-18 16:49:50,032 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-18 16:49:50,033 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-18 16:49:50,033 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-18 16:49:50,033 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-18 16:49:50,034 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-18 16:49:50,034 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-18 16:49:50,034 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-18 16:49:50,034 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-18 16:49:50,035 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-18 16:49:50,035 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-18 16:49:50,035 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-18 16:49:50,035 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-18 16:49:50,035 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-18 16:49:50,036 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-18 16:49:50,036 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-18 16:49:50,037 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-18 16:49:50,037 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-18 16:49:50,037 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-18 16:49:50,037 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-18 16:49:50,037 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-18 16:49:50,037 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 16:49:50,377 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-18 16:49:50,397 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-18 16:49:50,401 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-18 16:49:50,403 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-18 16:49:50,404 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-18 16:49:50,405 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c
[2020-08-18 16:49:50,480 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ec417bf/a20f62b1e87d45f7a9eba7913f9972af/FLAG4a49d6c36
[2020-08-18 16:49:50,993 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-18 16:49:50,994 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c
[2020-08-18 16:49:51,005 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ec417bf/a20f62b1e87d45f7a9eba7913f9972af/FLAG4a49d6c36
[2020-08-18 16:49:51,302 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ec417bf/a20f62b1e87d45f7a9eba7913f9972af
[2020-08-18 16:49:51,314 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-18 16:49:51,316 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-18 16:49:51,317 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-18 16:49:51,318 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-18 16:49:51,322 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-18 16:49:51,323 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:49:51" (1/1) ...
[2020-08-18 16:49:51,327 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:51, skipping insertion in model container
[2020-08-18 16:49:51,327 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:49:51" (1/1) ...
[2020-08-18 16:49:51,337 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-18 16:49:51,385 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-18 16:49:51,776 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 16:49:51,789 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-18 16:49:51,983 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-18 16:49:52,035 INFO  L208         MainTranslator]: Completed translation
[2020-08-18 16:49:52,035 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52 WrapperNode
[2020-08-18 16:49:52,036 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-18 16:49:52,036 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-18 16:49:52,036 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-18 16:49:52,037 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-18 16:49:52,047 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,047 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,066 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,067 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,099 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,109 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,114 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (1/1) ...
[2020-08-18 16:49:52,122 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-18 16:49:52,123 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-18 16:49:52,123 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-18 16:49:52,123 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-18 16:49:52,124 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (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 16:49:52,207 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-18 16:49:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-18 16:49:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-18 16:49:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-18 16:49:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-18 16:49:52,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-18 16:49:52,209 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-18 16:49:52,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-18 16:49:52,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-18 16:49:52,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-18 16:49:52,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-18 16:49:52,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-18 16:49:52,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-18 16:49:52,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-18 16:49:52,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-18 16:49:52,211 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-18 16:49:52,212 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-18 16:49:52,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-18 16:49:52,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-18 16:49:52,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-18 16:49:52,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-18 16:49:52,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-18 16:49:52,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-18 16:49:52,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-18 16:49:52,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-18 16:49:52,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-18 16:49:52,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-18 16:49:52,214 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-18 16:49:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-18 16:49:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-18 16:49:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-18 16:49:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-18 16:49:52,215 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-18 16:49:52,216 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-18 16:49:52,217 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-18 16:49:52,218 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-18 16:49:52,219 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-18 16:49:52,220 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-18 16:49:52,221 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-18 16:49:52,222 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-18 16:49:53,327 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-18 16:49:53,328 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-18 16:49:53,333 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:49:53 BoogieIcfgContainer
[2020-08-18 16:49:53,333 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-18 16:49:53,336 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-18 16:49:53,337 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-18 16:49:53,340 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-18 16:49:53,340 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:49:51" (1/3) ...
[2020-08-18 16:49:53,341 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162e1ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:49:53, skipping insertion in model container
[2020-08-18 16:49:53,341 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:49:52" (2/3) ...
[2020-08-18 16:49:53,341 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162e1ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:49:53, skipping insertion in model container
[2020-08-18 16:49:53,342 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:49:53" (3/3) ...
[2020-08-18 16:49:53,343 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c
[2020-08-18 16:49:53,351 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-18 16:49:53,359 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-18 16:49:53,373 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-18 16:49:53,399 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-18 16:49:53,399 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-18 16:49:53,399 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-18 16:49:53,400 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-18 16:49:53,400 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-18 16:49:53,400 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-18 16:49:53,400 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-18 16:49:53,400 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-18 16:49:53,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states.
[2020-08-18 16:49:53,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-08-18 16:49:53,435 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:49:53,436 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 16:49:53,436 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:49:53,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:49:53,443 INFO  L82        PathProgramCache]: Analyzing trace with hash -2135633634, now seen corresponding path program 1 times
[2020-08-18 16:49:53,452 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:49:53,452 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922039388]
[2020-08-18 16:49:53,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:49:53,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,108 WARN  L193               SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:49:54,110 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:49:54,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,165 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:49:54,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,168 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:49:54,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,171 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:49:54,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,174 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:49:54,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,177 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2020-08-18 16:49:54,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,180 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 16:49:54,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:54,200 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 16:49:54,201 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922039388]
[2020-08-18 16:49:54,203 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:49:54,204 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-18 16:49:54,205 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577598093]
[2020-08-18 16:49:54,215 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-18 16:49:54,216 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:49:54,234 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-18 16:49:54,236 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 16:49:54,238 INFO  L87              Difference]: Start difference. First operand 148 states. Second operand 3 states.
[2020-08-18 16:49:55,257 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:49:55,258 INFO  L93              Difference]: Finished difference Result 228 states and 303 transitions.
[2020-08-18 16:49:55,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-08-18 16:49:55,260 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-08-18 16:49:55,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:49:55,276 INFO  L225             Difference]: With dead ends: 228
[2020-08-18 16:49:55,276 INFO  L226             Difference]: Without dead ends: 125
[2020-08-18 16:49:55,282 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-18 16:49:55,305 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2020-08-18 16:49:55,364 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94.
[2020-08-18 16:49:55,366 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2020-08-18 16:49:55,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions.
[2020-08-18 16:49:55,370 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46
[2020-08-18 16:49:55,370 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:49:55,370 INFO  L479      AbstractCegarLoop]: Abstraction has 94 states and 108 transitions.
[2020-08-18 16:49:55,371 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-18 16:49:55,371 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions.
[2020-08-18 16:49:55,374 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-08-18 16:49:55,374 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:49:55,374 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 16:49:55,376 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-18 16:49:55,376 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:49:55,377 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:49:55,377 INFO  L82        PathProgramCache]: Analyzing trace with hash -1443818456, now seen corresponding path program 1 times
[2020-08-18 16:49:55,377 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:49:55,377 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432332940]
[2020-08-18 16:49:55,378 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:49:55,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,802 WARN  L193               SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:49:55,804 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:49:55,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,855 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:49:55,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,858 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:49:55,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,861 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:49:55,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,863 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:49:55,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,865 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2020-08-18 16:49:55,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,867 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-18 16:49:55,870 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:55,897 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 16:49:55,898 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432332940]
[2020-08-18 16:49:55,901 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:49:55,901 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-18 16:49:55,901 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032040752]
[2020-08-18 16:49:55,905 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-18 16:49:55,905 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:49:55,908 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-18 16:49:55,908 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-18 16:49:55,908 INFO  L87              Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states.
[2020-08-18 16:49:56,338 WARN  L193               SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 16:49:56,909 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:49:56,909 INFO  L93              Difference]: Finished difference Result 148 states and 180 transitions.
[2020-08-18 16:49:56,910 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-08-18 16:49:56,910 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 47
[2020-08-18 16:49:56,911 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:49:56,913 INFO  L225             Difference]: With dead ends: 148
[2020-08-18 16:49:56,913 INFO  L226             Difference]: Without dead ends: 109
[2020-08-18 16:49:56,915 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-18 16:49:56,915 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2020-08-18 16:49:56,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85.
[2020-08-18 16:49:56,944 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-08-18 16:49:56,945 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions.
[2020-08-18 16:49:56,946 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47
[2020-08-18 16:49:56,946 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:49:56,946 INFO  L479      AbstractCegarLoop]: Abstraction has 85 states and 96 transitions.
[2020-08-18 16:49:56,946 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-18 16:49:56,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions.
[2020-08-18 16:49:56,948 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-18 16:49:56,948 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:49:56,949 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 16:49:56,949 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-18 16:49:56,949 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:49:56,949 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:49:56,950 INFO  L82        PathProgramCache]: Analyzing trace with hash 870802390, now seen corresponding path program 1 times
[2020-08-18 16:49:56,950 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:49:56,950 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013728683]
[2020-08-18 16:49:56,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:49:56,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,264 WARN  L193               SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:49:57,266 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:49:57,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,309 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:49:57,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,312 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:49:57,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,314 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:49:57,315 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,329 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:49:57,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,332 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-08-18 16:49:57,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,334 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-08-18 16:49:57,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:49:57,343 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 16:49:57,343 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013728683]
[2020-08-18 16:49:57,344 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:49:57,344 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 16:49:57,344 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159531290]
[2020-08-18 16:49:57,345 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 16:49:57,345 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:49:57,345 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 16:49:57,345 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 16:49:57,346 INFO  L87              Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states.
[2020-08-18 16:49:57,746 WARN  L193               SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:49:58,032 WARN  L193               SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:49:58,275 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:49:58,519 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:49:59,232 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 16:50:00,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:50:00,251 INFO  L93              Difference]: Finished difference Result 302 states and 373 transitions.
[2020-08-18 16:50:00,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-18 16:50:00,252 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 52
[2020-08-18 16:50:00,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:50:00,255 INFO  L225             Difference]: With dead ends: 302
[2020-08-18 16:50:00,256 INFO  L226             Difference]: Without dead ends: 241
[2020-08-18 16:50:00,257 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-08-18 16:50:00,258 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2020-08-18 16:50:00,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172.
[2020-08-18 16:50:00,334 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 172 states.
[2020-08-18 16:50:00,336 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions.
[2020-08-18 16:50:00,336 INFO  L78                 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52
[2020-08-18 16:50:00,336 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:50:00,336 INFO  L479      AbstractCegarLoop]: Abstraction has 172 states and 204 transitions.
[2020-08-18 16:50:00,337 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 16:50:00,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions.
[2020-08-18 16:50:00,339 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2020-08-18 16:50:00,340 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:50:00,340 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]
[2020-08-18 16:50:00,340 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-18 16:50:00,340 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:50:00,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:50:00,341 INFO  L82        PathProgramCache]: Analyzing trace with hash -1258139816, now seen corresponding path program 1 times
[2020-08-18 16:50:00,341 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:50:00,341 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075182800]
[2020-08-18 16:50:00,341 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:50:00,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,624 WARN  L193               SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:50:00,625 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:50:00,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,655 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:50:00,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,658 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:50:00,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,660 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:50:00,661 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,663 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:50:00,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,664 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-18 16:50:00,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,666 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2020-08-18 16:50:00,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,700 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-18 16:50:00,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:00,710 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 16:50:00,711 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075182800]
[2020-08-18 16:50:00,711 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:50:00,711 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-08-18 16:50:00,712 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602769051]
[2020-08-18 16:50:00,712 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-08-18 16:50:00,713 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:50:00,713 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-08-18 16:50:00,713 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-08-18 16:50:00,713 INFO  L87              Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states.
[2020-08-18 16:50:01,072 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:50:01,978 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:02,231 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:02,517 WARN  L193               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:02,774 WARN  L193               SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:50:03,078 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-18 16:50:03,441 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:50:03,441 INFO  L93              Difference]: Finished difference Result 521 states and 661 transitions.
[2020-08-18 16:50:03,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-08-18 16:50:03,442 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 55
[2020-08-18 16:50:03,442 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:50:03,447 INFO  L225             Difference]: With dead ends: 521
[2020-08-18 16:50:03,448 INFO  L226             Difference]: Without dead ends: 373
[2020-08-18 16:50:03,450 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2020-08-18 16:50:03,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 373 states.
[2020-08-18 16:50:03,523 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299.
[2020-08-18 16:50:03,524 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 299 states.
[2020-08-18 16:50:03,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions.
[2020-08-18 16:50:03,526 INFO  L78                 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55
[2020-08-18 16:50:03,526 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:50:03,527 INFO  L479      AbstractCegarLoop]: Abstraction has 299 states and 358 transitions.
[2020-08-18 16:50:03,527 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-08-18 16:50:03,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions.
[2020-08-18 16:50:03,529 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-08-18 16:50:03,529 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-18 16:50:03,529 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, 1, 1, 1, 1, 1, 1, 1]
[2020-08-18 16:50:03,529 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-18 16:50:03,530 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-18 16:50:03,530 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-18 16:50:03,530 INFO  L82        PathProgramCache]: Analyzing trace with hash 1200680476, now seen corresponding path program 1 times
[2020-08-18 16:50:03,530 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-18 16:50:03,531 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674755311]
[2020-08-18 16:50:03,531 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-18 16:50:03,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,895 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:50:03,896 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-18 16:50:03,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,922 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-18 16:50:03,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,925 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-18 16:50:03,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,926 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-18 16:50:03,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,929 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-18 16:50:03,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,943 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2020-08-18 16:50:03,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,946 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2020-08-18 16:50:03,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,948 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2020-08-18 16:50:03,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,950 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2020-08-18 16:50:03,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-18 16:50:03,968 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 16:50:03,969 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674755311]
[2020-08-18 16:50:03,969 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-18 16:50:03,969 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-18 16:50:03,970 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553638027]
[2020-08-18 16:50:03,970 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-18 16:50:03,970 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-18 16:50:03,971 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-18 16:50:03,971 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-08-18 16:50:03,971 INFO  L87              Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states.
[2020-08-18 16:50:04,370 WARN  L193               SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-18 16:50:05,232 WARN  L193               SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:05,513 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:05,759 WARN  L193               SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-18 16:50:05,918 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-18 16:50:05,918 INFO  L93              Difference]: Finished difference Result 609 states and 776 transitions.
[2020-08-18 16:50:05,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-18 16:50:05,919 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 59
[2020-08-18 16:50:05,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-18 16:50:05,919 INFO  L225             Difference]: With dead ends: 609
[2020-08-18 16:50:05,922 INFO  L226             Difference]: Without dead ends: 0
[2020-08-18 16:50:05,928 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2020-08-18 16:50:05,928 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-18 16:50:05,928 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-18 16:50:05,929 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-18 16:50:05,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-18 16:50:05,929 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59
[2020-08-18 16:50:05,929 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-18 16:50:05,929 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-18 16:50:05,930 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-18 16:50:05,930 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-18 16:50:05,937 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-18 16:50:05,938 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-18 16:50:05,942 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-18 16:50:08,762 WARN  L193               SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 16:50:08,948 WARN  L193               SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:09,449 WARN  L193               SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12
[2020-08-18 16:50:09,628 WARN  L193               SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:09,849 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8
[2020-08-18 16:50:10,019 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:10,188 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:10,491 WARN  L193               SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-18 16:50:10,664 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 16:50:10,830 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:11,116 WARN  L193               SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8
[2020-08-18 16:50:11,304 WARN  L193               SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-18 16:50:11,470 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 16:50:11,762 WARN  L193               SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-18 16:50:11,952 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1
[2020-08-18 16:50:12,251 WARN  L193               SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8
[2020-08-18 16:50:12,399 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1
[2020-08-18 16:50:12,555 WARN  L193               SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22
[2020-08-18 16:50:12,749 WARN  L193               SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1
[2020-08-18 16:50:13,007 WARN  L193               SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8
[2020-08-18 16:50:13,289 WARN  L193               SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11
[2020-08-18 16:50:13,457 WARN  L193               SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24
[2020-08-18 16:50:13,462 INFO  L268        CegarLoopResult]: For program point  L508(lines 508 512)  no Hoare annotation was computed.
[2020-08-18 16:50:13,462 INFO  L268        CegarLoopResult]: For program point  L508-1(lines 508 512)  no Hoare annotation was computed.
[2020-08-18 16:50:13,462 INFO  L268        CegarLoopResult]: For program point  L503(line 503)  no Hoare annotation was computed.
[2020-08-18 16:50:13,462 INFO  L268        CegarLoopResult]: For program point  L502-2(lines 502 523)  no Hoare annotation was computed.
[2020-08-18 16:50:13,462 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 477 532)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  L524(lines 501 525)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 477 532)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 477 532)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  L578-1(line 578)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 533 592)  no Hoare annotation was computed.
[2020-08-18 16:50:13,463 INFO  L268        CegarLoopResult]: For program point  L565(lines 565 569)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  L565-1(lines 565 569)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  L560(line 560)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 533 592)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  L559-2(lines 559 584)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 533 592)  no Hoare annotation was computed.
[2020-08-18 16:50:13,464 INFO  L268        CegarLoopResult]: For program point  L585(lines 558 586)  no Hoare annotation was computed.
[2020-08-18 16:50:13,465 INFO  L268        CegarLoopResult]: For program point  L578(line 578)  no Hoare annotation was computed.
[2020-08-18 16:50:13,465 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 382 388)  the Hoare annotation is:  true
[2020-08-18 16:50:13,465 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 382 388)  no Hoare annotation was computed.
[2020-08-18 16:50:13,465 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 389 397)  no Hoare annotation was computed.
[2020-08-18 16:50:13,465 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 389 397)  the Hoare annotation is:  true
[2020-08-18 16:50:13,465 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 389 397)  no Hoare annotation was computed.
[2020-08-18 16:50:13,466 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 863 885)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,466 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 863 885)  no Hoare annotation was computed.
[2020-08-18 16:50:13,466 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 863 885)  no Hoare annotation was computed.
[2020-08-18 16:50:13,467 INFO  L264        CegarLoopResult]: At program point  L875(line 875)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-18 16:50:13,467 INFO  L264        CegarLoopResult]: At program point  L875-1(line 875)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-18 16:50:13,467 INFO  L268        CegarLoopResult]: For program point  L873(lines 873 880)  no Hoare annotation was computed.
[2020-08-18 16:50:13,467 INFO  L268        CegarLoopResult]: For program point  L873-1(lines 873 880)  no Hoare annotation was computed.
[2020-08-18 16:50:13,467 INFO  L268        CegarLoopResult]: For program point  L871(line 871)  no Hoare annotation was computed.
[2020-08-18 16:50:13,468 INFO  L264        CegarLoopResult]: At program point  L870(line 870)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,468 INFO  L264        CegarLoopResult]: At program point  L869(line 869)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,468 INFO  L264        CegarLoopResult]: At program point  L869-1(line 869)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,468 INFO  L268        CegarLoopResult]: For program point  L833(line 833)  no Hoare annotation was computed.
[2020-08-18 16:50:13,468 INFO  L268        CegarLoopResult]: For program point  L832(line 832)  no Hoare annotation was computed.
[2020-08-18 16:50:13,468 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 822 845)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L831(line 831)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L830(line 830)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L829(line 829)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 822 845)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L828(line 828)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 822 845)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L827(line 827)  no Hoare annotation was computed.
[2020-08-18 16:50:13,469 INFO  L268        CegarLoopResult]: For program point  L840(line 840)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L839(line 839)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L838(line 838)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L837(line 837)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L836(line 836)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L835(line 835)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  L834(line 834)  no Hoare annotation was computed.
[2020-08-18 16:50:13,470 INFO  L268        CegarLoopResult]: For program point  stopSystemEXIT(lines 247 261)  no Hoare annotation was computed.
[2020-08-18 16:50:13,471 INFO  L264        CegarLoopResult]: At program point  L253(line 253)  the Hoare annotation is:  (not (= |old(~pumpRunning~0)| 0))
[2020-08-18 16:50:13,471 INFO  L268        CegarLoopResult]: For program point  L251(lines 251 257)  no Hoare annotation was computed.
[2020-08-18 16:50:13,471 INFO  L264        CegarLoopResult]: At program point  stopSystemENTRY(lines 247 261)  the Hoare annotation is:  (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))
[2020-08-18 16:50:13,471 INFO  L268        CegarLoopResult]: For program point  stopSystemFINAL(lines 247 261)  no Hoare annotation was computed.
[2020-08-18 16:50:13,471 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseEXIT(lines 157 164)  no Hoare annotation was computed.
[2020-08-18 16:50:13,471 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseENTRY(lines 157 164)  no Hoare annotation was computed.
[2020-08-18 16:50:13,471 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__baseFINAL(lines 157 164)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 202 210)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 202 210)  the Hoare annotation is:  true
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 202 210)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  L218(lines 218 226)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  L218-2(lines 218 226)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  L241(line 241)  no Hoare annotation was computed.
[2020-08-18 16:50:13,472 INFO  L268        CegarLoopResult]: For program point  L241-1(line 241)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 211 246)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 211 246)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  L230(lines 230 238)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  L230-2(lines 230 238)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 211 246)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 375 381)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 375 381)  the Hoare annotation is:  true
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 431 476)  no Hoare annotation was computed.
[2020-08-18 16:50:13,473 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 431 476)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 431 476)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  L764(lines 764 771)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 744 789)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  L758(lines 758 778)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  L758-1(lines 758 778)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 744 789)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 744 789)  no Hoare annotation was computed.
[2020-08-18 16:50:13,474 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 853 862)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,474 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 853 862)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 853 862)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 191 201)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 191 201)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 191 201)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  L196-1(line 196)  no Hoare annotation was computed.
[2020-08-18 16:50:13,475 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 183 190)  the Hoare annotation is:  true
[2020-08-18 16:50:13,475 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 183 190)  no Hoare annotation was computed.
[2020-08-18 16:50:13,476 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 183 190)  no Hoare annotation was computed.
[2020-08-18 16:50:13,476 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 150 156)  no Hoare annotation was computed.
[2020-08-18 16:50:13,476 INFO  L271        CegarLoopResult]: At program point  processEnvironmentFINAL(lines 150 156)  the Hoare annotation is:  true
[2020-08-18 16:50:13,476 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 66 72)  no Hoare annotation was computed.
[2020-08-18 16:50:13,476 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 46 113)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,476 INFO  L268        CegarLoopResult]: For program point  L58(lines 58 62)  no Hoare annotation was computed.
[2020-08-18 16:50:13,476 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 46 113)  no Hoare annotation was computed.
[2020-08-18 16:50:13,477 INFO  L264        CegarLoopResult]: At program point  L106(lines 55 107)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-18 16:50:13,477 INFO  L264        CegarLoopResult]: At program point  L96(line 96)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,477 INFO  L268        CegarLoopResult]: For program point  L94(lines 94 100)  no Hoare annotation was computed.
[2020-08-18 16:50:13,477 INFO  L264        CegarLoopResult]: At program point  L94-1(lines 86 101)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,477 INFO  L268        CegarLoopResult]: For program point  L57(lines 56 105)  no Hoare annotation was computed.
[2020-08-18 16:50:13,477 INFO  L264        CegarLoopResult]: At program point  L88(line 88)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,477 INFO  L268        CegarLoopResult]: For program point  L86(lines 86 101)  no Hoare annotation was computed.
[2020-08-18 16:50:13,478 INFO  L264        CegarLoopResult]: At program point  L78(line 78)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,478 INFO  L268        CegarLoopResult]: For program point  L76(lines 76 82)  no Hoare annotation was computed.
[2020-08-18 16:50:13,478 INFO  L268        CegarLoopResult]: For program point  L76-1(lines 76 82)  no Hoare annotation was computed.
[2020-08-18 16:50:13,478 INFO  L264        CegarLoopResult]: At program point  L103(lines 56 105)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,478 INFO  L264        CegarLoopResult]: At program point  L68(line 68)  the Hoare annotation is:  (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-18 16:50:13,478 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 46 113)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  L66(lines 66 72)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 698 743)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 698 743)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 698 743)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  L718(lines 718 725)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  L712(lines 712 732)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  L712-1(lines 712 732)  no Hoare annotation was computed.
[2020-08-18 16:50:13,479 INFO  L268        CegarLoopResult]: For program point  L336(lines 336 344)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  L336-2(lines 336 344)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 328 350)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 328 350)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 328 350)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 365 374)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 365 374)  no Hoare annotation was computed.
[2020-08-18 16:50:13,480 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 365 374)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 595 697)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L665(lines 643 666)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L624(lines 624 640)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L684(lines 684 691)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 595 697)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L645(lines 644 664)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L676(line 676)  no Hoare annotation was computed.
[2020-08-18 16:50:13,481 INFO  L268        CegarLoopResult]: For program point  L676-1(line 676)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L641(lines 641 682)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L660(line 660)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L660-1(line 660)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 595 697)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L619(lines 619 623)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L683(lines 683 694)  no Hoare annotation was computed.
[2020-08-18 16:50:13,482 INFO  L268        CegarLoopResult]: For program point  L646(lines 646 650)  no Hoare annotation was computed.
[2020-08-18 16:50:13,483 INFO  L268        CegarLoopResult]: For program point  L644-2(lines 644 664)  no Hoare annotation was computed.
[2020-08-18 16:50:13,483 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,483 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-18 16:50:13,483 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,483 INFO  L268        CegarLoopResult]: For program point  L177(line 177)  no Hoare annotation was computed.
[2020-08-18 16:50:13,483 INFO  L268        CegarLoopResult]: For program point  L177-1(lines 166 182)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  L173(lines 173 179)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 166 182)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  L171(line 171)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  L171-1(line 171)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 166 182)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 351 359)  no Hoare annotation was computed.
[2020-08-18 16:50:13,484 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 351 359)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 351 359)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 307 318)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  L311-1(lines 307 318)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 307 318)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,485 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,486 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 126 149)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:50:13,486 INFO  L264        CegarLoopResult]: At program point  L139(line 139)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))
[2020-08-18 16:50:13,486 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 126 149)  no Hoare annotation was computed.
[2020-08-18 16:50:13,486 INFO  L264        CegarLoopResult]: At program point  L137(lines 137 143)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:50:13,486 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 126 149)  no Hoare annotation was computed.
[2020-08-18 16:50:13,486 INFO  L264        CegarLoopResult]: At program point  L132(line 132)  the Hoare annotation is:  (not (= ~pumpRunning~0 0))
[2020-08-18 16:50:13,486 INFO  L268        CegarLoopResult]: For program point  L130(lines 129 148)  no Hoare annotation was computed.
[2020-08-18 16:50:13,487 INFO  L271        CegarLoopResult]: At program point  L802-2(lines 802 816)  the Hoare annotation is:  true
[2020-08-18 16:50:13,487 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 792 821)  no Hoare annotation was computed.
[2020-08-18 16:50:13,487 INFO  L271        CegarLoopResult]: At program point  L798(line 798)  the Hoare annotation is:  true
[2020-08-18 16:50:13,487 INFO  L268        CegarLoopResult]: For program point  L798-1(line 798)  no Hoare annotation was computed.
[2020-08-18 16:50:13,487 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 792 821)  the Hoare annotation is:  true
[2020-08-18 16:50:13,487 INFO  L271        CegarLoopResult]: At program point  L817(lines 792 821)  the Hoare annotation is:  true
[2020-08-18 16:50:13,488 INFO  L268        CegarLoopResult]: For program point  L813(line 813)  no Hoare annotation was computed.
[2020-08-18 16:50:13,488 INFO  L268        CegarLoopResult]: For program point  L806(lines 806 810)  no Hoare annotation was computed.
[2020-08-18 16:50:13,488 INFO  L271        CegarLoopResult]: At program point  L806-1(lines 806 810)  the Hoare annotation is:  true
[2020-08-18 16:50:13,488 INFO  L268        CegarLoopResult]: For program point  L803(line 803)  no Hoare annotation was computed.
[2020-08-18 16:50:13,488 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 319 327)  the Hoare annotation is:  true
[2020-08-18 16:50:13,488 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 319 327)  no Hoare annotation was computed.
[2020-08-18 16:50:13,488 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 319 327)  no Hoare annotation was computed.
[2020-08-18 16:50:13,488 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 283 294)  the Hoare annotation is:  true
[2020-08-18 16:50:13,489 INFO  L268        CegarLoopResult]: For program point  L287-1(lines 283 294)  no Hoare annotation was computed.
[2020-08-18 16:50:13,489 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 283 294)  no Hoare annotation was computed.
[2020-08-18 16:50:13,489 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 846 852)  no Hoare annotation was computed.
[2020-08-18 16:50:13,489 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 846 852)  the Hoare annotation is:  true
[2020-08-18 16:50:13,489 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,489 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 16:50:13,489 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-18 16:50:13,490 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-18 16:50:13,490 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 262 269)  no Hoare annotation was computed.
[2020-08-18 16:50:13,490 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 262 269)  the Hoare annotation is:  (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:50:13,490 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 262 269)  no Hoare annotation was computed.
[2020-08-18 16:50:13,490 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 295 306)  no Hoare annotation was computed.
[2020-08-18 16:50:13,490 INFO  L268        CegarLoopResult]: For program point  L299-1(lines 295 306)  no Hoare annotation was computed.
[2020-08-18 16:50:13,490 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 295 306)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)))
[2020-08-18 16:50:13,491 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 271 278)  no Hoare annotation was computed.
[2020-08-18 16:50:13,491 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 275)  no Hoare annotation was computed.
[2020-08-18 16:50:13,491 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 271 278)  the Hoare annotation is:  true
[2020-08-18 16:50:13,491 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 271 278)  no Hoare annotation was computed.
[2020-08-18 16:50:13,491 INFO  L264        CegarLoopResult]: At program point  L413(line 413)  the Hoare annotation is:  (not (= ~pumpRunning~0 0))
[2020-08-18 16:50:13,491 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification1_spec__1ENTRY(lines 399 423)  the Hoare annotation is:  true
[2020-08-18 16:50:13,491 INFO  L268        CegarLoopResult]: For program point  L411(lines 411 417)  no Hoare annotation was computed.
[2020-08-18 16:50:13,492 INFO  L264        CegarLoopResult]: At program point  L409(line 409)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)))
[2020-08-18 16:50:13,492 INFO  L268        CegarLoopResult]: For program point  L409-1(line 409)  no Hoare annotation was computed.
[2020-08-18 16:50:13,492 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification1_spec__1EXIT(lines 399 423)  no Hoare annotation was computed.
[2020-08-18 16:50:13,492 INFO  L268        CegarLoopResult]: For program point  L407(lines 407 420)  no Hoare annotation was computed.
[2020-08-18 16:50:13,492 INFO  L268        CegarLoopResult]: For program point  L407-1(lines 399 423)  no Hoare annotation was computed.
[2020-08-18 16:50:13,492 INFO  L271        CegarLoopResult]: At program point  L405(line 405)  the Hoare annotation is:  true
[2020-08-18 16:50:13,492 INFO  L268        CegarLoopResult]: For program point  L405-1(line 405)  no Hoare annotation was computed.
[2020-08-18 16:50:13,515 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:50:13 BoogieIcfgContainer
[2020-08-18 16:50:13,515 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-18 16:50:13,517 INFO  L168              Benchmark]: Toolchain (without parser) took 22201.07 ms. Allocated memory was 142.1 MB in the beginning and 556.3 MB in the end (delta: 414.2 MB). Free memory was 104.7 MB in the beginning and 378.8 MB in the end (delta: -274.1 MB). Peak memory consumption was 404.0 MB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,518 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,519 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 718.54 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.5 MB in the beginning and 174.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,520 INFO  L168              Benchmark]: Boogie Preprocessor took 86.20 ms. Allocated memory is still 203.9 MB. Free memory was 174.3 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,521 INFO  L168              Benchmark]: RCFGBuilder took 1210.53 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 170.3 MB in the beginning and 199.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,522 INFO  L168              Benchmark]: TraceAbstraction took 20178.94 ms. Allocated memory was 234.9 MB in the beginning and 556.3 MB in the end (delta: 321.4 MB). Free memory was 199.0 MB in the beginning and 378.8 MB in the end (delta: -179.9 MB). Peak memory consumption was 405.5 MB. Max. memory is 7.1 GB.
[2020-08-18 16:50:13,526 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 718.54 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 104.5 MB in the beginning and 174.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 86.20 ms. Allocated memory is still 203.9 MB. Free memory was 174.3 MB in the beginning and 170.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1210.53 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 170.3 MB in the beginning and 199.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 20178.94 ms. Allocated memory was 234.9 MB in the beginning and 556.3 MB in the end (delta: 321.4 MB). Free memory was 199.0 MB in the beginning and 378.8 MB in the end (delta: -179.9 MB). Peak memory consumption was 405.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 275]: 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: 55]: Loop Invariant
    Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 802]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 792]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 56]: Loop Invariant
    Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 397 SDtfs, 553 SDslu, 378 SDs, 0 SdLazy, 1511 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 645 HoareAnnotationTreeSize, 338 FomulaSimplifications, 55748 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14730 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 71230 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...