/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c


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


This is Ultimate 0.1.25-177f698
[2020-08-21 19:33:08,572 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-08-21 19:33:08,576 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-21 19:33:08,624 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-21 19:33:08,625 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-21 19:33:08,635 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-21 19:33:08,637 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-21 19:33:08,641 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-21 19:33:08,645 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-21 19:33:08,647 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-21 19:33:08,648 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-08-21 19:33:08,650 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-21 19:33:08,650 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-21 19:33:08,653 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-21 19:33:08,656 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-21 19:33:08,658 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-21 19:33:08,658 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-21 19:33:08,659 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-21 19:33:08,664 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-21 19:33:08,667 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-21 19:33:08,670 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-21 19:33:08,671 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-21 19:33:08,673 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-08-21 19:33:08,674 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-21 19:33:08,681 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-21 19:33:08,681 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-21 19:33:08,682 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-21 19:33:08,687 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-21 19:33:08,688 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-21 19:33:08,690 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-21 19:33:08,690 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-21 19:33:08,691 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-21 19:33:08,692 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-21 19:33:08,693 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-21 19:33:08,694 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-21 19:33:08,694 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-21 19:33:08,695 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-21 19:33:08,695 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-21 19:33:08,695 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-21 19:33:08,696 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-21 19:33:08,698 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-08-21 19:33:08,699 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-08-21 19:33:08,734 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-08-21 19:33:08,734 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-21 19:33:08,736 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-08-21 19:33:08,736 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-08-21 19:33:08,736 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-08-21 19:33:08,736 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-21 19:33:08,737 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-08-21 19:33:08,737 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-08-21 19:33:08,737 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-08-21 19:33:08,737 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-08-21 19:33:08,737 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-08-21 19:33:08,738 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-21 19:33:08,738 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-08-21 19:33:08,738 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-08-21 19:33:08,738 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-08-21 19:33:08,738 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-08-21 19:33:08,739 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-08-21 19:33:08,739 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-21 19:33:08,739 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-08-21 19:33:08,739 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-08-21 19:33:08,739 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-08-21 19:33:08,740 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 19:33:08,740 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-21 19:33:08,740 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-08-21 19:33:08,740 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-08-21 19:33:08,740 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-08-21 19:33:08,741 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-08-21 19:33:08,741 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-21 19:33:08,741 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-08-21 19:33:08,741 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=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;
[2020-08-21 19:33:09,031 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-21 19:33:09,044 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-21 19:33:09,048 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-21 19:33:09,050 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-08-21 19:33:09,050 INFO  L275        PluginConnector]: CDTParser initialized
[2020-08-21 19:33:09,051 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c
[2020-08-21 19:33:09,128 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a3751e3/9a7d623d6c1b43da8f46bcf3e0220cb1/FLAG4298b12e4
[2020-08-21 19:33:09,648 INFO  L306              CDTParser]: Found 1 translation units.
[2020-08-21 19:33:09,649 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c
[2020-08-21 19:33:09,661 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a3751e3/9a7d623d6c1b43da8f46bcf3e0220cb1/FLAG4298b12e4
[2020-08-21 19:33:09,923 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4a3751e3/9a7d623d6c1b43da8f46bcf3e0220cb1
[2020-08-21 19:33:09,931 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-21 19:33:09,933 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-21 19:33:09,934 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-21 19:33:09,934 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-21 19:33:09,937 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-21 19:33:09,937 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:33:09" (1/1) ...
[2020-08-21 19:33:09,940 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:09, skipping insertion in model container
[2020-08-21 19:33:09,940 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 07:33:09" (1/1) ...
[2020-08-21 19:33:09,946 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-08-21 19:33:10,004 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-08-21 19:33:10,476 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 19:33:10,500 INFO  L203         MainTranslator]: Completed pre-run
[2020-08-21 19:33:10,595 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-08-21 19:33:10,625 INFO  L208         MainTranslator]: Completed translation
[2020-08-21 19:33:10,626 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10 WrapperNode
[2020-08-21 19:33:10,626 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-21 19:33:10,627 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-21 19:33:10,627 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-21 19:33:10,627 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-08-21 19:33:10,637 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,638 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,657 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,658 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,691 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,702 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,708 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
[2020-08-21 19:33:10,717 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-21 19:33:10,717 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-21 19:33:10,717 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-08-21 19:33:10,718 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-08-21 19:33:10,718 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-21 19:33:10,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-21 19:33:10,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-21 19:33:10,784 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-21 19:33:10,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-21 19:33:10,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-21 19:33:10,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2020-08-21 19:33:10,785 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-21 19:33:10,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-08-21 19:33:10,786 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-21 19:33:10,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-21 19:33:10,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-21 19:33:10,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-21 19:33:10,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-21 19:33:10,787 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-08-21 19:33:10,788 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-08-21 19:33:10,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-21 19:33:10,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-21 19:33:10,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-21 19:33:10,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-08-21 19:33:10,789 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-21 19:33:10,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-08-21 19:33:10,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1
[2020-08-21 19:33:10,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2
[2020-08-21 19:33:10,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-21 19:33:10,790 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-21 19:33:10,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-21 19:33:10,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-21 19:33:10,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-21 19:33:10,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-21 19:33:10,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-21 19:33:10,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-21 19:33:10,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-21 19:33:10,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-21 19:33:10,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-08-21 19:33:10,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-21 19:33:10,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-21 19:33:10,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-21 19:33:10,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-21 19:33:10,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-21 19:33:10,794 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-21 19:33:10,794 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-21 19:33:10,794 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-21 19:33:10,795 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-21 19:33:10,796 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-21 19:33:10,796 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-21 19:33:10,796 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-08-21 19:33:10,796 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2
[2020-08-21 19:33:10,796 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-21 19:33:10,797 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-21 19:33:10,797 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-08-21 19:33:10,797 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2020-08-21 19:33:10,797 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-21 19:33:10,797 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-21 19:33:10,798 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-21 19:33:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-08-21 19:33:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1
[2020-08-21 19:33:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-08-21 19:33:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-21 19:33:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-08-21 19:33:10,800 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-21 19:33:10,800 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-08-21 19:33:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-08-21 19:33:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-21 19:33:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-21 19:33:10,802 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-08-21 19:33:10,802 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-21 19:33:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-21 19:33:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-21 19:33:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-21 19:33:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-21 19:33:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-21 19:33:11,884 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-21 19:33:11,884 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-21 19:33:11,889 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:33:11 BoogieIcfgContainer
[2020-08-21 19:33:11,889 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-21 19:33:11,891 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-21 19:33:11,891 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-08-21 19:33:11,894 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-08-21 19:33:11,894 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 07:33:09" (1/3) ...
[2020-08-21 19:33:11,895 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eff32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:33:11, skipping insertion in model container
[2020-08-21 19:33:11,895 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 07:33:10" (2/3) ...
[2020-08-21 19:33:11,896 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25eff32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:33:11, skipping insertion in model container
[2020-08-21 19:33:11,896 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:33:11" (3/3) ...
[2020-08-21 19:33:11,898 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c
[2020-08-21 19:33:11,908 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-21 19:33:11,916 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-21 19:33:11,929 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-21 19:33:11,949 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-08-21 19:33:11,949 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-08-21 19:33:11,949 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-21 19:33:11,949 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-21 19:33:11,949 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-21 19:33:11,949 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-08-21 19:33:11,949 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-21 19:33:11,950 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-21 19:33:11,971 INFO  L276                IsEmpty]: Start isEmpty. Operand 175 states.
[2020-08-21 19:33:11,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-08-21 19:33:11,982 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 19:33:11,983 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 19:33:11,983 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 19:33:11,989 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 19:33:11,990 INFO  L82        PathProgramCache]: Analyzing trace with hash -454427267, now seen corresponding path program 1 times
[2020-08-21 19:33:11,999 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 19:33:12,000 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684916788]
[2020-08-21 19:33:12,000 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 19:33:12,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,665 WARN  L193               SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:12,667 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 19:33:12,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,726 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 19:33:12,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,729 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 19:33:12,730 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,731 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 19:33:12,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,734 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 19:33:12,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,744 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-21 19:33:12,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,748 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2020-08-21 19:33:12,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,751 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2020-08-21 19:33:12,752 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:12,770 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 19:33:12,771 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684916788]
[2020-08-21 19:33:12,773 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 19:33:12,774 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-21 19:33:12,775 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688983101]
[2020-08-21 19:33:12,780 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-21 19:33:12,781 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 19:33:12,796 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-21 19:33:12,797 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-21 19:33:12,800 INFO  L87              Difference]: Start difference. First operand 175 states. Second operand 4 states.
[2020-08-21 19:33:13,902 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 19:33:13,903 INFO  L93              Difference]: Finished difference Result 278 states and 367 transitions.
[2020-08-21 19:33:13,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-08-21 19:33:13,905 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 51
[2020-08-21 19:33:13,906 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 19:33:13,919 INFO  L225             Difference]: With dead ends: 278
[2020-08-21 19:33:13,920 INFO  L226             Difference]: Without dead ends: 155
[2020-08-21 19:33:13,924 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2020-08-21 19:33:13,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 155 states.
[2020-08-21 19:33:14,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124.
[2020-08-21 19:33:14,008 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 124 states.
[2020-08-21 19:33:14,010 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions.
[2020-08-21 19:33:14,012 INFO  L78                 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51
[2020-08-21 19:33:14,012 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 19:33:14,012 INFO  L479      AbstractCegarLoop]: Abstraction has 124 states and 147 transitions.
[2020-08-21 19:33:14,012 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-21 19:33:14,013 INFO  L276                IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions.
[2020-08-21 19:33:14,016 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-08-21 19:33:14,016 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 19:33:14,016 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]
[2020-08-21 19:33:14,017 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-21 19:33:14,017 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 19:33:14,017 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 19:33:14,017 INFO  L82        PathProgramCache]: Analyzing trace with hash 364968758, now seen corresponding path program 1 times
[2020-08-21 19:33:14,018 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 19:33:14,018 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791619688]
[2020-08-21 19:33:14,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 19:33:14,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,367 WARN  L193               SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:14,368 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 19:33:14,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,394 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 19:33:14,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,396 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 19:33:14,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,397 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 19:33:14,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,399 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 19:33:14,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,417 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-21 19:33:14,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,419 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-08-21 19:33:14,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,421 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 19:33:14,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:14,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 19:33:14,436 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791619688]
[2020-08-21 19:33:14,436 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 19:33:14,436 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-08-21 19:33:14,437 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025924126]
[2020-08-21 19:33:14,439 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-08-21 19:33:14,440 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 19:33:14,440 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-08-21 19:33:14,440 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-08-21 19:33:14,440 INFO  L87              Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 5 states.
[2020-08-21 19:33:14,879 WARN  L193               SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-21 19:33:15,654 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 19:33:15,654 INFO  L93              Difference]: Finished difference Result 223 states and 278 transitions.
[2020-08-21 19:33:15,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-08-21 19:33:15,655 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 52
[2020-08-21 19:33:15,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 19:33:15,658 INFO  L225             Difference]: With dead ends: 223
[2020-08-21 19:33:15,658 INFO  L226             Difference]: Without dead ends: 145
[2020-08-21 19:33:15,660 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-08-21 19:33:15,661 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2020-08-21 19:33:15,700 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115.
[2020-08-21 19:33:15,700 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-08-21 19:33:15,701 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions.
[2020-08-21 19:33:15,702 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52
[2020-08-21 19:33:15,702 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 19:33:15,702 INFO  L479      AbstractCegarLoop]: Abstraction has 115 states and 135 transitions.
[2020-08-21 19:33:15,702 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-08-21 19:33:15,702 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions.
[2020-08-21 19:33:15,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-08-21 19:33:15,705 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 19:33:15,705 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 19:33:15,705 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-21 19:33:15,706 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 19:33:15,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 19:33:15,706 INFO  L82        PathProgramCache]: Analyzing trace with hash 604582976, now seen corresponding path program 1 times
[2020-08-21 19:33:15,706 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 19:33:15,707 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083071745]
[2020-08-21 19:33:15,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 19:33:15,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,050 WARN  L193               SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:16,052 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 19:33:16,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,091 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 19:33:16,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,096 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 19:33:16,097 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,098 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 19:33:16,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,132 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 19:33:16,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,147 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-21 19:33:16,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,150 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2020-08-21 19:33:16,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,152 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2020-08-21 19:33:16,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:16,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 19:33:16,162 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1083071745]
[2020-08-21 19:33:16,165 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 19:33:16,165 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 19:33:16,166 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384379405]
[2020-08-21 19:33:16,167 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 19:33:16,167 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 19:33:16,168 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 19:33:16,168 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-21 19:33:16,168 INFO  L87              Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 9 states.
[2020-08-21 19:33:16,512 WARN  L193               SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-21 19:33:16,812 WARN  L193               SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:17,072 WARN  L193               SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:17,302 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:18,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 19:33:18,387 INFO  L93              Difference]: Finished difference Result 232 states and 293 transitions.
[2020-08-21 19:33:18,388 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-08-21 19:33:18,388 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 56
[2020-08-21 19:33:18,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 19:33:18,390 INFO  L225             Difference]: With dead ends: 232
[2020-08-21 19:33:18,390 INFO  L226             Difference]: Without dead ends: 145
[2020-08-21 19:33:18,392 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2020-08-21 19:33:18,393 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 145 states.
[2020-08-21 19:33:18,426 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115.
[2020-08-21 19:33:18,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-08-21 19:33:18,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions.
[2020-08-21 19:33:18,427 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56
[2020-08-21 19:33:18,428 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 19:33:18,428 INFO  L479      AbstractCegarLoop]: Abstraction has 115 states and 134 transitions.
[2020-08-21 19:33:18,428 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 19:33:18,428 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions.
[2020-08-21 19:33:18,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-08-21 19:33:18,434 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 19:33:18,434 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 19:33:18,434 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-21 19:33:18,434 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 19:33:18,435 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 19:33:18,435 INFO  L82        PathProgramCache]: Analyzing trace with hash -781962313, now seen corresponding path program 1 times
[2020-08-21 19:33:18,435 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 19:33:18,435 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235557138]
[2020-08-21 19:33:18,436 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 19:33:18,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,745 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:18,746 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 19:33:18,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,781 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 19:33:18,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,783 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 19:33:18,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,785 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 19:33:18,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,793 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 19:33:18,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,827 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-21 19:33:18,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,841 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-08-21 19:33:18,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,844 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 19:33:18,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,856 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 19:33:18,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,858 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2020-08-21 19:33:18,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,873 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2020-08-21 19:33:18,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:18,888 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 19:33:18,889 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235557138]
[2020-08-21 19:33:18,889 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 19:33:18,889 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-21 19:33:18,889 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174781891]
[2020-08-21 19:33:18,890 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-21 19:33:18,890 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 19:33:18,890 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-21 19:33:18,891 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2020-08-21 19:33:18,892 INFO  L87              Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 9 states.
[2020-08-21 19:33:19,285 WARN  L193               SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-21 19:33:20,108 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:20,530 WARN  L193               SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-21 19:33:21,270 WARN  L193               SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:21,495 WARN  L193               SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:22,144 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 19:33:22,144 INFO  L93              Difference]: Finished difference Result 356 states and 474 transitions.
[2020-08-21 19:33:22,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2020-08-21 19:33:22,145 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 69
[2020-08-21 19:33:22,146 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 19:33:22,149 INFO  L225             Difference]: With dead ends: 356
[2020-08-21 19:33:22,149 INFO  L226             Difference]: Without dead ends: 269
[2020-08-21 19:33:22,151 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380
[2020-08-21 19:33:22,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2020-08-21 19:33:22,203 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 192.
[2020-08-21 19:33:22,203 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 192 states.
[2020-08-21 19:33:22,205 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions.
[2020-08-21 19:33:22,205 INFO  L78                 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69
[2020-08-21 19:33:22,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 19:33:22,206 INFO  L479      AbstractCegarLoop]: Abstraction has 192 states and 228 transitions.
[2020-08-21 19:33:22,206 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-21 19:33:22,206 INFO  L276                IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions.
[2020-08-21 19:33:22,208 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2020-08-21 19:33:22,209 INFO  L414         BasicCegarLoop]: Found error trace
[2020-08-21 19:33:22,209 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-21 19:33:22,209 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-21 19:33:22,209 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-21 19:33:22,209 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-08-21 19:33:22,210 INFO  L82        PathProgramCache]: Analyzing trace with hash 737122587, now seen corresponding path program 1 times
[2020-08-21 19:33:22,210 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-21 19:33:22,210 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216926110]
[2020-08-21 19:33:22,210 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-21 19:33:22,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,507 WARN  L193               SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:22,508 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-21 19:33:22,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,573 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-08-21 19:33:22,575 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,577 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-08-21 19:33:22,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,579 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-08-21 19:33:22,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,590 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2020-08-21 19:33:22,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,605 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2020-08-21 19:33:22,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,620 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-08-21 19:33:22,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,634 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2020-08-21 19:33:22,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,638 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 19:33:22,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,641 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-21 19:33:22,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,648 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-08-21 19:33:22,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,651 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2020-08-21 19:33:22,652 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-21 19:33:22,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-21 19:33:22,680 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216926110]
[2020-08-21 19:33:22,680 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-21 19:33:22,680 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-08-21 19:33:22,680 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079331001]
[2020-08-21 19:33:22,682 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-21 19:33:22,683 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-21 19:33:22,684 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-21 19:33:22,684 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2020-08-21 19:33:22,688 INFO  L87              Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 10 states.
[2020-08-21 19:33:23,074 WARN  L193               SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-21 19:33:23,894 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:24,129 WARN  L193               SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:24,392 WARN  L193               SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-21 19:33:24,587 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-21 19:33:24,588 INFO  L93              Difference]: Finished difference Result 329 states and 420 transitions.
[2020-08-21 19:33:24,588 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2020-08-21 19:33:24,588 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 73
[2020-08-21 19:33:24,589 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-21 19:33:24,589 INFO  L225             Difference]: With dead ends: 329
[2020-08-21 19:33:24,589 INFO  L226             Difference]: Without dead ends: 0
[2020-08-21 19:33:24,590 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342
[2020-08-21 19:33:24,591 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-08-21 19:33:24,591 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-08-21 19:33:24,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-08-21 19:33:24,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-08-21 19:33:24,591 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73
[2020-08-21 19:33:24,591 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-08-21 19:33:24,591 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-08-21 19:33:24,591 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-21 19:33:24,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-08-21 19:33:24,592 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-08-21 19:33:24,592 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-21 19:33:24,594 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-08-21 19:33:26,566 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-21 19:33:26,755 WARN  L193               SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:27,076 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-21 19:33:27,402 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-21 19:33:27,572 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-21 19:33:27,750 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:27,990 WARN  L193               SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-21 19:33:28,328 WARN  L193               SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-21 19:33:28,663 WARN  L193               SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12
[2020-08-21 19:33:28,976 WARN  L193               SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-21 19:33:29,131 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17
[2020-08-21 19:33:29,486 WARN  L193               SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-21 19:33:29,810 WARN  L193               SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-21 19:33:30,162 WARN  L193               SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18
[2020-08-21 19:33:30,482 WARN  L193               SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11
[2020-08-21 19:33:30,679 WARN  L193               SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25
[2020-08-21 19:33:30,843 WARN  L193               SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:31,012 WARN  L193               SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25
[2020-08-21 19:33:31,281 WARN  L193               SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15
[2020-08-21 19:33:31,444 WARN  L193               SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:31,612 WARN  L193               SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1
[2020-08-21 19:33:31,832 WARN  L193               SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:32,171 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12
[2020-08-21 19:33:32,342 WARN  L193               SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23
[2020-08-21 19:33:32,437 INFO  L268        CegarLoopResult]: For program point  L670(lines 670 674)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  L670-1(lines 670 674)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  L665(line 665)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  L664-2(lines 664 685)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 639 694)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  L686(lines 663 687)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 639 694)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 639 694)  no Hoare annotation was computed.
[2020-08-21 19:33:32,438 INFO  L268        CegarLoopResult]: For program point  L727(lines 727 731)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L727-1(lines 727 731)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 695 754)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L722(line 722)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L721-2(lines 721 746)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 695 754)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L747(lines 720 748)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 695 754)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L740(line 740)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L268        CegarLoopResult]: For program point  L740-1(line 740)  no Hoare annotation was computed.
[2020-08-21 19:33:32,439 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 480 486)  the Hoare annotation is:  true
[2020-08-21 19:33:32,440 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 480 486)  no Hoare annotation was computed.
[2020-08-21 19:33:32,440 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 487 495)  no Hoare annotation was computed.
[2020-08-21 19:33:32,440 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 487 495)  the Hoare annotation is:  true
[2020-08-21 19:33:32,440 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 487 495)  no Hoare annotation was computed.
[2020-08-21 19:33:32,440 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 399 421)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,440 INFO  L264        CegarLoopResult]: At program point  L411(line 411)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,440 INFO  L264        CegarLoopResult]: At program point  L411-1(line 411)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,441 INFO  L268        CegarLoopResult]: For program point  L409(lines 409 416)  no Hoare annotation was computed.
[2020-08-21 19:33:32,441 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 399 421)  no Hoare annotation was computed.
[2020-08-21 19:33:32,441 INFO  L268        CegarLoopResult]: For program point  L409-1(lines 409 416)  no Hoare annotation was computed.
[2020-08-21 19:33:32,441 INFO  L268        CegarLoopResult]: For program point  L407(line 407)  no Hoare annotation was computed.
[2020-08-21 19:33:32,441 INFO  L264        CegarLoopResult]: At program point  L406(line 406)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,442 INFO  L264        CegarLoopResult]: At program point  L405(line 405)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,442 INFO  L264        CegarLoopResult]: At program point  L405-1(line 405)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,442 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 399 421)  no Hoare annotation was computed.
[2020-08-21 19:33:32,442 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 353 376)  no Hoare annotation was computed.
[2020-08-21 19:33:32,442 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 353 376)  no Hoare annotation was computed.
[2020-08-21 19:33:32,442 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 353 376)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L371(line 371)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L370(line 370)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L369(line 369)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L368(line 368)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L367(line 367)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L366(line 366)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L365(line 365)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L364(line 364)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L363(line 363)  no Hoare annotation was computed.
[2020-08-21 19:33:32,443 INFO  L268        CegarLoopResult]: For program point  L362(line 362)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L361(line 361)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L360(line 360)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L359(line 359)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L358(line 358)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L264        CegarLoopResult]: At program point  L95(line 95)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L93(lines 93 101)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L264        CegarLoopResult]: At program point  L91(line 91)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L91-1(line 91)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  L89(lines 89 106)  no Hoare annotation was computed.
[2020-08-21 19:33:32,444 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__methaneQueryENTRY(lines 85 109)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,444 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__methaneQueryEXIT(lines 85 109)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L264        CegarLoopResult]: At program point  L104(line 104)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  L104-1(lines 85 109)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L264        CegarLoopResult]: At program point  L99(line 99)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 180 188)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 180 188)  the Hoare annotation is:  true
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 180 188)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 238)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 225 243)  the Hoare annotation is:  true
[2020-08-21 19:33:32,445 INFO  L271        CegarLoopResult]: At program point  L232(line 232)  the Hoare annotation is:  true
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  L234-2(lines 234 238)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  L232-1(line 232)  no Hoare annotation was computed.
[2020-08-21 19:33:32,445 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 225 243)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 225 243)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L219(line 219)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L219-1(line 219)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L208(lines 208 216)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 189 224)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L208-2(lines 208 216)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 189 224)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L196(lines 196 204)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 189 224)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  L196-2(lines 196 204)  no Hoare annotation was computed.
[2020-08-21 19:33:32,446 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 473 479)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 473 479)  the Hoare annotation is:  true
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 593 638)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 593 638)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 593 638)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  L926(lines 926 933)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 906 951)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  L920(lines 920 940)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  L920-1(lines 920 940)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 906 951)  no Hoare annotation was computed.
[2020-08-21 19:33:32,447 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 906 951)  no Hoare annotation was computed.
[2020-08-21 19:33:32,448 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 385 395)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,448 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 385 395)  no Hoare annotation was computed.
[2020-08-21 19:33:32,448 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 385 395)  no Hoare annotation was computed.
[2020-08-21 19:33:32,448 INFO  L264        CegarLoopResult]: At program point  L390(line 390)  the Hoare annotation is:  (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,448 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 169 179)  the Hoare annotation is:  true
[2020-08-21 19:33:32,448 INFO  L271        CegarLoopResult]: At program point  L174(line 174)  the Hoare annotation is:  true
[2020-08-21 19:33:32,448 INFO  L268        CegarLoopResult]: For program point  L174-1(line 174)  no Hoare annotation was computed.
[2020-08-21 19:33:32,448 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 169 179)  no Hoare annotation was computed.
[2020-08-21 19:33:32,448 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 169 179)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L271        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 161 168)  the Hoare annotation is:  true
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 161 168)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 161 168)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  L130-1(lines 111 135)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L264        CegarLoopResult]: At program point  L125(line 125)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,449 INFO  L264        CegarLoopResult]: At program point  L121(line 121)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  L119(lines 119 127)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 111 135)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L264        CegarLoopResult]: At program point  L117(line 117)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  L117-1(line 117)  no Hoare annotation was computed.
[2020-08-21 19:33:32,449 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 111 135)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,449 INFO  L268        CegarLoopResult]: For program point  L115(lines 115 132)  no Hoare annotation was computed.
[2020-08-21 19:33:32,450 INFO  L264        CegarLoopResult]: At program point  L130(line 130)  the Hoare annotation is:  (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,450 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 77 83)  no Hoare annotation was computed.
[2020-08-21 19:33:32,450 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 77 83)  the Hoare annotation is:  true
[2020-08-21 19:33:32,450 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 248 311)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,450 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 248 311)  no Hoare annotation was computed.
[2020-08-21 19:33:32,450 INFO  L264        CegarLoopResult]: At program point  L304(lines 257 305)  the Hoare annotation is:  (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))
[2020-08-21 19:33:32,450 INFO  L268        CegarLoopResult]: For program point  L294(lines 294 298)  no Hoare annotation was computed.
[2020-08-21 19:33:32,450 INFO  L264        CegarLoopResult]: At program point  L294-2(lines 288 299)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L259(lines 258 303)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L288(lines 288 299)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L264        CegarLoopResult]: At program point  L280(line 280)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L278(lines 278 284)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L278-1(lines 278 284)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L264        CegarLoopResult]: At program point  L270(line 270)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 19:33:32,451 INFO  L264        CegarLoopResult]: At program point  L301(lines 258 303)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)))
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L268(lines 268 274)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L268-1(lines 268 274)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  L260(lines 260 264)  no Hoare annotation was computed.
[2020-08-21 19:33:32,451 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 248 311)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 860 905)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 860 905)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 860 905)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  L880(lines 880 887)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 894)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  L874-1(lines 874 894)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorENTRY(lines 136 143)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorFINAL(lines 136 143)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorEXIT(lines 136 143)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 577 585)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 577 585)  the Hoare annotation is:  true
[2020-08-21 19:33:32,452 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 577 585)  no Hoare annotation was computed.
[2020-08-21 19:33:32,452 INFO  L264        CegarLoopResult]: At program point  L447(line 447)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L445(lines 445 451)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L444(lines 444 454)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L264        CegarLoopResult]: At program point  L442(line 442)  the Hoare annotation is:  (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L442-1(line 442)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L440(lines 440 457)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L440-1(lines 432 460)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L264        CegarLoopResult]: At program point  L438(line 438)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L438-1(line 438)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__2ENTRY(lines 432 460)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__2EXIT(lines 432 460)  no Hoare annotation was computed.
[2020-08-21 19:33:32,453 INFO  L268        CegarLoopResult]: For program point  L553(lines 553 561)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 545 567)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  L553-2(lines 553 561)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 545 567)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 545 567)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification2_spec__1ENTRY(lines 424 431)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1FINAL(lines 424 431)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification2_spec__1EXIT(lines 424 431)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 463 472)  no Hoare annotation was computed.
[2020-08-21 19:33:32,454 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 463 472)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 463 472)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 757 859)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  L822(line 822)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  L822-1(line 822)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  L781(lines 781 785)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  L845(lines 845 856)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  L808(lines 808 812)  no Hoare annotation was computed.
[2020-08-21 19:33:32,455 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 757 859)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L806-2(lines 806 826)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L827(lines 805 828)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L786(lines 786 802)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 757 859)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L846(lines 846 853)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L807(lines 806 826)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L838(line 838)  no Hoare annotation was computed.
[2020-08-21 19:33:32,456 INFO  L268        CegarLoopResult]: For program point  L838-1(line 838)  no Hoare annotation was computed.
[2020-08-21 19:33:32,457 INFO  L268        CegarLoopResult]: For program point  L803(lines 803 844)  no Hoare annotation was computed.
[2020-08-21 19:33:32,457 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,457 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.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)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|))
[2020-08-21 19:33:32,457 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,457 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 144 160)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  L155(line 155)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  L155-1(lines 144 160)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  activatePumpENTRY(lines 144 160)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  L151(lines 151 157)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  L149-1(line 149)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  getWaterLevelENTRY(lines 568 576)  no Hoare annotation was computed.
[2020-08-21 19:33:32,458 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 568 576)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 568 576)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  L528-1(lines 524 535)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L264        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 524 535)  the Hoare annotation is:  (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 524 535)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,459 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,460 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 536 544)  the Hoare annotation is:  true
[2020-08-21 19:33:32,460 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 536 544)  no Hoare annotation was computed.
[2020-08-21 19:33:32,460 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 536 544)  no Hoare annotation was computed.
[2020-08-21 19:33:32,460 INFO  L264        CegarLoopResult]: At program point  L64(lines 64 70)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,460 INFO  L264        CegarLoopResult]: At program point  L59(line 59)  the Hoare annotation is:  (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,460 INFO  L268        CegarLoopResult]: For program point  L57(lines 56 75)  no Hoare annotation was computed.
[2020-08-21 19:33:32,460 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 53 76)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,461 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 53 76)  no Hoare annotation was computed.
[2020-08-21 19:33:32,461 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 53 76)  no Hoare annotation was computed.
[2020-08-21 19:33:32,461 INFO  L264        CegarLoopResult]: At program point  L66(line 66)  the Hoare annotation is:  (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)))
[2020-08-21 19:33:32,461 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 323 352)  no Hoare annotation was computed.
[2020-08-21 19:33:32,461 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 323 352)  the Hoare annotation is:  true
[2020-08-21 19:33:32,461 INFO  L271        CegarLoopResult]: At program point  L348(lines 323 352)  the Hoare annotation is:  true
[2020-08-21 19:33:32,461 INFO  L268        CegarLoopResult]: For program point  L344(line 344)  no Hoare annotation was computed.
[2020-08-21 19:33:32,461 INFO  L268        CegarLoopResult]: For program point  L337(lines 337 341)  no Hoare annotation was computed.
[2020-08-21 19:33:32,462 INFO  L271        CegarLoopResult]: At program point  L337-1(lines 337 341)  the Hoare annotation is:  true
[2020-08-21 19:33:32,462 INFO  L268        CegarLoopResult]: For program point  L334(line 334)  no Hoare annotation was computed.
[2020-08-21 19:33:32,462 INFO  L271        CegarLoopResult]: At program point  L333-2(lines 333 347)  the Hoare annotation is:  true
[2020-08-21 19:33:32,462 INFO  L271        CegarLoopResult]: At program point  L329(line 329)  the Hoare annotation is:  true
[2020-08-21 19:33:32,462 INFO  L268        CegarLoopResult]: For program point  L329-1(line 329)  no Hoare annotation was computed.
[2020-08-21 19:33:32,462 INFO  L271        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 500 511)  the Hoare annotation is:  true
[2020-08-21 19:33:32,462 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 500 511)  no Hoare annotation was computed.
[2020-08-21 19:33:32,463 INFO  L268        CegarLoopResult]: For program point  L504-1(lines 500 511)  no Hoare annotation was computed.
[2020-08-21 19:33:32,463 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 377 383)  no Hoare annotation was computed.
[2020-08-21 19:33:32,463 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 377 383)  the Hoare annotation is:  true
[2020-08-21 19:33:32,463 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,463 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))
[2020-08-21 19:33:32,463 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-08-21 19:33:32,463 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-08-21 19:33:32,463 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 512 523)  no Hoare annotation was computed.
[2020-08-21 19:33:32,464 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 512 523)  the Hoare annotation is:  (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)))
[2020-08-21 19:33:32,464 INFO  L268        CegarLoopResult]: For program point  L516-1(lines 512 523)  no Hoare annotation was computed.
[2020-08-21 19:33:32,464 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 313 320)  no Hoare annotation was computed.
[2020-08-21 19:33:32,464 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 317)  no Hoare annotation was computed.
[2020-08-21 19:33:32,464 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 313 320)  the Hoare annotation is:  true
[2020-08-21 19:33:32,464 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 313 320)  no Hoare annotation was computed.
[2020-08-21 19:33:32,482 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:33:32 BoogieIcfgContainer
[2020-08-21 19:33:32,482 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-21 19:33:32,485 INFO  L168              Benchmark]: Toolchain (without parser) took 22551.64 ms. Allocated memory was 140.0 MB in the beginning and 596.1 MB in the end (delta: 456.1 MB). Free memory was 101.7 MB in the beginning and 480.2 MB in the end (delta: -378.5 MB). Peak memory consumption was 473.1 MB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,486 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,487 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 692.57 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 173.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,488 INFO  L168              Benchmark]: Boogie Preprocessor took 90.21 ms. Allocated memory is still 205.0 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,488 INFO  L168              Benchmark]: RCFGBuilder took 1172.46 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.3 MB in the beginning and 196.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,490 INFO  L168              Benchmark]: TraceAbstraction took 20591.89 ms. Allocated memory was 235.9 MB in the beginning and 596.1 MB in the end (delta: 360.2 MB). Free memory was 196.7 MB in the beginning and 480.2 MB in the end (delta: -283.5 MB). Peak memory consumption was 472.2 MB. Max. memory is 7.1 GB.
[2020-08-21 19:33:32,502 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 692.57 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.5 MB in the beginning and 173.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 90.21 ms. Allocated memory is still 205.0 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1172.46 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 169.3 MB in the beginning and 196.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 20591.89 ms. Allocated memory was 235.9 MB in the beginning and 596.1 MB in the end (delta: 360.2 MB). Free memory was 196.7 MB in the beginning and 480.2 MB in the end (delta: -283.5 MB). Peak memory consumption was 472.2 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 317]: 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: 333]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 257]: Loop Invariant
    Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)
  - InvariantResult [Line: 323]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 258]: Loop Invariant
    Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 964 SDslu, 405 SDs, 0 SdLazy, 1902 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred 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, 168 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 340 PreInvPairs, 372 NumberOfFragments, 812 HoareAnnotationTreeSize, 340 FomulaSimplifications, 90218 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9562 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 88876 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...