/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:04:57,636 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:04:57,638 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:04:57,650 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:04:57,651 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:04:57,652 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:04:57,653 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:04:57,655 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:04:57,657 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:04:57,658 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:04:57,659 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:04:57,660 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:04:57,660 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:04:57,661 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:04:57,662 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:04:57,663 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:04:57,664 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:04:57,665 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:04:57,666 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:04:57,668 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:04:57,670 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:04:57,671 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:04:57,672 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:04:57,673 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:04:57,675 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:04:57,676 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:04:57,676 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:04:57,677 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:04:57,677 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:04:57,678 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:04:57,678 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:04:57,679 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:04:57,680 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:04:57,680 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:04:57,681 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:04:57,682 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:04:57,682 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:04:57,683 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:04:57,683 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:04:57,684 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:04:57,684 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:04:57,685 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 13:04:57,700 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:04:57,700 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:04:57,701 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:04:57,701 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:04:57,701 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:04:57,702 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:04:57,702 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:04:57,702 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:04:57,702 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:04:57,702 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:04:57,703 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:04:57,703 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:04:57,703 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:04:57,703 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:04:57,703 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:04:57,704 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:04:57,704 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:04:57,704 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:04:57,704 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:04:57,704 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:04:57,705 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:04:57,705 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:57,705 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:04:57,705 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:04:57,705 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:04:57,706 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:04:57,706 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:57,706 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:04:57,706 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:04:57,706 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 13:04:58,041 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:04:58,061 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:04:58,065 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:04:58,067 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:04:58,069 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:04:58,070 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c
[2020-07-20 13:04:58,149 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062/FLAGa7d08dfd4
[2020-07-20 13:04:58,745 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:04:58,745 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c
[2020-07-20 13:04:58,777 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062/FLAGa7d08dfd4
[2020-07-20 13:04:58,995 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ee167323/fcc4abe1caaf4dc98a42ddef6a208062
[2020-07-20 13:04:59,006 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:04:59,009 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:04:59,011 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:59,011 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:04:59,014 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:04:59,015 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ...
[2020-07-20 13:04:59,018 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59, skipping insertion in model container
[2020-07-20 13:04:59,019 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:58" (1/1) ...
[2020-07-20 13:04:59,026 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:04:59,091 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:04:59,513 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:59,529 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:04:59,622 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:59,660 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:04:59,660 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59 WrapperNode
[2020-07-20 13:04:59,660 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:59,661 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:04:59,661 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:04:59,661 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:04:59,673 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,674 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,694 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,694 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,727 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,739 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,744 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
[2020-07-20 13:04:59,752 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:04:59,753 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:04:59,753 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:04:59,753 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:04:59,754 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:59,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:04:59,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:04:59,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:59,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:59,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:04:59,816 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:04:59,817 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:04:59,818 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:04:59,819 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:04:59,820 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:04:59,821 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:04:59,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:04:59,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:04:59,822 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:04:59,822 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:04:59,822 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:04:59,828 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:04:59,828 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:59,828 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:59,828 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:59,829 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:04:59,829 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:04:59,829 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:04:59,830 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:04:59,830 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:04:59,830 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:04:59,830 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:04:59,831 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:04:59,832 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:04:59,832 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:04:59,832 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:04:59,832 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:04:59,832 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:04:59,833 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:04:59,833 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 13:04:59,833 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:04:59,833 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:59,833 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:04:59,834 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:04:59,835 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:04:59,835 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:04:59,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:59,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:04:59,835 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:04:59,836 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:04:59,837 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:04:59,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:04:59,837 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:04:59,837 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:05:01,011 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:05:01,012 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:05:01,017 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:01 BoogieIcfgContainer
[2020-07-20 13:05:01,017 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:05:01,019 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:05:01,019 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:05:01,022 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:05:01,023 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:58" (1/3) ...
[2020-07-20 13:05:01,024 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53791e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:01, skipping insertion in model container
[2020-07-20 13:05:01,024 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:59" (2/3) ...
[2020-07-20 13:05:01,025 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53791e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:01, skipping insertion in model container
[2020-07-20 13:05:01,025 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:01" (3/3) ...
[2020-07-20 13:05:01,027 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c
[2020-07-20 13:05:01,038 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:05:01,047 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:05:01,062 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:05:01,089 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:05:01,089 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:05:01,089 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:05:01,089 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:05:01,089 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:05:01,090 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:05:01,090 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:05:01,090 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:05:01,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 203 states.
[2020-07-20 13:05:01,125 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 13:05:01,126 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:01,127 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:01,127 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:01,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:01,134 INFO  L82        PathProgramCache]: Analyzing trace with hash -404445524, now seen corresponding path program 1 times
[2020-07-20 13:05:01,143 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,144 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555134579]
[2020-07-20 13:05:01,144 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:01,563 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:01,563 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:01,571 INFO  L263         TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:05:01,581 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:01,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:05:01,617 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:01,618 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555134579]
[2020-07-20 13:05:01,619 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:01,619 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:05:01,620 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820713219]
[2020-07-20 13:05:01,627 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:05:01,627 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:01,644 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:05:01,645 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:05:01,648 INFO  L87              Difference]: Start difference. First operand 203 states. Second operand 2 states.
[2020-07-20 13:05:01,706 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:01,706 INFO  L93              Difference]: Finished difference Result 316 states and 389 transitions.
[2020-07-20 13:05:01,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:05:01,708 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 13:05:01,708 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:01,722 INFO  L225             Difference]: With dead ends: 316
[2020-07-20 13:05:01,722 INFO  L226             Difference]: Without dead ends: 160
[2020-07-20 13:05:01,728 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:05:01,747 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2020-07-20 13:05:01,784 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160.
[2020-07-20 13:05:01,785 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 160 states.
[2020-07-20 13:05:01,788 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions.
[2020-07-20 13:05:01,790 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59
[2020-07-20 13:05:01,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:01,791 INFO  L479      AbstractCegarLoop]: Abstraction has 160 states and 188 transitions.
[2020-07-20 13:05:01,791 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:05:01,791 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions.
[2020-07-20 13:05:01,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-07-20 13:05:01,795 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:01,796 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:02,011 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,011 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:02,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:02,012 INFO  L82        PathProgramCache]: Analyzing trace with hash -315023676, now seen corresponding path program 1 times
[2020-07-20 13:05:02,012 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,012 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690600642]
[2020-07-20 13:05:02,013 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,353 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:02,354 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:02,358 INFO  L263         TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:05:02,363 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:02,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:05:02,400 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:02,400 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690600642]
[2020-07-20 13:05:02,400 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:02,401 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:02,401 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655572348]
[2020-07-20 13:05:02,403 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:02,403 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,403 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:02,404 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:02,404 INFO  L87              Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states.
[2020-07-20 13:05:02,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:02,431 INFO  L93              Difference]: Finished difference Result 261 states and 307 transitions.
[2020-07-20 13:05:02,431 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:02,431 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2020-07-20 13:05:02,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:02,435 INFO  L225             Difference]: With dead ends: 261
[2020-07-20 13:05:02,435 INFO  L226             Difference]: Without dead ends: 151
[2020-07-20 13:05:02,437 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:02,438 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2020-07-20 13:05:02,452 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2020-07-20 13:05:02,452 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 151 states.
[2020-07-20 13:05:02,454 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions.
[2020-07-20 13:05:02,454 INFO  L78                 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60
[2020-07-20 13:05:02,455 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:02,455 INFO  L479      AbstractCegarLoop]: Abstraction has 151 states and 176 transitions.
[2020-07-20 13:05:02,455 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:02,455 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions.
[2020-07-20 13:05:02,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 13:05:02,458 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:02,458 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:02,672 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:02,673 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:02,673 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:02,674 INFO  L82        PathProgramCache]: Analyzing trace with hash 649722396, now seen corresponding path program 1 times
[2020-07-20 13:05:02,674 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:02,674 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393305169]
[2020-07-20 13:05:02,675 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:03,141 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:03,142 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:03,147 INFO  L263         TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:05:03,155 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:03,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:03,196 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:03,196 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393305169]
[2020-07-20 13:05:03,196 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:03,197 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:03,197 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877633763]
[2020-07-20 13:05:03,198 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:03,198 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,199 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:03,200 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:03,200 INFO  L87              Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states.
[2020-07-20 13:05:03,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:03,233 INFO  L93              Difference]: Finished difference Result 274 states and 325 transitions.
[2020-07-20 13:05:03,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:03,236 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 65
[2020-07-20 13:05:03,237 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:03,239 INFO  L225             Difference]: With dead ends: 274
[2020-07-20 13:05:03,239 INFO  L226             Difference]: Without dead ends: 151
[2020-07-20 13:05:03,245 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:03,245 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2020-07-20 13:05:03,266 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2020-07-20 13:05:03,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 151 states.
[2020-07-20 13:05:03,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions.
[2020-07-20 13:05:03,268 INFO  L78                 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65
[2020-07-20 13:05:03,272 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:03,273 INFO  L479      AbstractCegarLoop]: Abstraction has 151 states and 175 transitions.
[2020-07-20 13:05:03,273 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:03,273 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions.
[2020-07-20 13:05:03,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2020-07-20 13:05:03,279 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:03,280 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:03,494 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:03,495 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:03,495 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:03,495 INFO  L82        PathProgramCache]: Analyzing trace with hash 2071838844, now seen corresponding path program 1 times
[2020-07-20 13:05:03,496 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,496 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129776252]
[2020-07-20 13:05:03,496 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:03,896 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:03,897 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:03,902 INFO  L263         TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:05:03,906 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:03,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:03,949 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:03,949 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129776252]
[2020-07-20 13:05:03,949 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:03,949 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:03,950 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603010576]
[2020-07-20 13:05:03,950 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:03,951 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:03,951 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:03,951 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:03,951 INFO  L87              Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 6 states.
[2020-07-20 13:05:04,682 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:04,683 INFO  L93              Difference]: Finished difference Result 369 states and 447 transitions.
[2020-07-20 13:05:04,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:05:04,683 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 83
[2020-07-20 13:05:04,684 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:04,686 INFO  L225             Difference]: With dead ends: 369
[2020-07-20 13:05:04,686 INFO  L226             Difference]: Without dead ends: 246
[2020-07-20 13:05:04,687 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:05:04,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 246 states.
[2020-07-20 13:05:04,711 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 230.
[2020-07-20 13:05:04,711 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-07-20 13:05:04,713 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 259 transitions.
[2020-07-20 13:05:04,713 INFO  L78                 Accepts]: Start accepts. Automaton has 230 states and 259 transitions. Word has length 83
[2020-07-20 13:05:04,714 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:04,714 INFO  L479      AbstractCegarLoop]: Abstraction has 230 states and 259 transitions.
[2020-07-20 13:05:04,714 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:04,714 INFO  L276                IsEmpty]: Start isEmpty. Operand 230 states and 259 transitions.
[2020-07-20 13:05:04,716 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2020-07-20 13:05:04,716 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:04,716 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:04,931 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:04,932 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:04,933 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:04,933 INFO  L82        PathProgramCache]: Analyzing trace with hash 477615551, now seen corresponding path program 1 times
[2020-07-20 13:05:04,933 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:04,934 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624986495]
[2020-07-20 13:05:04,934 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:05,290 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:05,290 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:05,294 INFO  L263         TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:05:05,298 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:05,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:05,358 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:05,358 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624986495]
[2020-07-20 13:05:05,358 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:05,358 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:05,359 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150354659]
[2020-07-20 13:05:05,359 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:05,360 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:05,360 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:05,360 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:05,360 INFO  L87              Difference]: Start difference. First operand 230 states and 259 transitions. Second operand 6 states.
[2020-07-20 13:05:05,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:05,617 INFO  L93              Difference]: Finished difference Result 435 states and 498 transitions.
[2020-07-20 13:05:05,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:05:05,618 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 97
[2020-07-20 13:05:05,618 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:05,621 INFO  L225             Difference]: With dead ends: 435
[2020-07-20 13:05:05,622 INFO  L226             Difference]: Without dead ends: 233
[2020-07-20 13:05:05,623 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:05:05,623 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 233 states.
[2020-07-20 13:05:05,643 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 229.
[2020-07-20 13:05:05,643 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 229 states.
[2020-07-20 13:05:05,645 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 256 transitions.
[2020-07-20 13:05:05,646 INFO  L78                 Accepts]: Start accepts. Automaton has 229 states and 256 transitions. Word has length 97
[2020-07-20 13:05:05,646 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:05,646 INFO  L479      AbstractCegarLoop]: Abstraction has 229 states and 256 transitions.
[2020-07-20 13:05:05,647 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:05,647 INFO  L276                IsEmpty]: Start isEmpty. Operand 229 states and 256 transitions.
[2020-07-20 13:05:05,648 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2020-07-20 13:05:05,648 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:05,648 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:05,862 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:05,863 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:05,864 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:05,864 INFO  L82        PathProgramCache]: Analyzing trace with hash 115684108, now seen corresponding path program 1 times
[2020-07-20 13:05:05,864 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:05,865 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563577285]
[2020-07-20 13:05:05,865 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:06,238 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:06,239 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:06,243 INFO  L263         TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:05:06,247 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:06,288 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:06,289 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:06,289 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563577285]
[2020-07-20 13:05:06,289 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:06,289 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:05:06,290 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113594250]
[2020-07-20 13:05:06,290 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:05:06,291 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,291 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:05:06,291 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:05:06,291 INFO  L87              Difference]: Start difference. First operand 229 states and 256 transitions. Second operand 6 states.
[2020-07-20 13:05:06,352 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:06,352 INFO  L93              Difference]: Finished difference Result 435 states and 494 transitions.
[2020-07-20 13:05:06,356 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:05:06,356 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 98
[2020-07-20 13:05:06,357 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:06,361 INFO  L225             Difference]: With dead ends: 435
[2020-07-20 13:05:06,362 INFO  L226             Difference]: Without dead ends: 234
[2020-07-20 13:05:06,365 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:05:06,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 234 states.
[2020-07-20 13:05:06,414 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234.
[2020-07-20 13:05:06,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 234 states.
[2020-07-20 13:05:06,420 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 261 transitions.
[2020-07-20 13:05:06,421 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 261 transitions. Word has length 98
[2020-07-20 13:05:06,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:06,422 INFO  L479      AbstractCegarLoop]: Abstraction has 234 states and 261 transitions.
[2020-07-20 13:05:06,422 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:05:06,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 261 transitions.
[2020-07-20 13:05:06,424 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2020-07-20 13:05:06,425 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:06,425 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:06,636 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:06,637 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:06,638 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:06,638 INFO  L82        PathProgramCache]: Analyzing trace with hash 43297550, now seen corresponding path program 1 times
[2020-07-20 13:05:06,638 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,639 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1866271172]
[2020-07-20 13:05:06,639 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:06,953 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:06,953 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:06,959 INFO  L263         TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:05:06,962 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:06,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:06,994 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:06,994 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1866271172]
[2020-07-20 13:05:06,994 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:06,995 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:05:06,995 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875879947]
[2020-07-20 13:05:06,995 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:05:06,995 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:06,996 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:05:06,996 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:05:06,996 INFO  L87              Difference]: Start difference. First operand 234 states and 261 transitions. Second operand 5 states.
[2020-07-20 13:05:07,027 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:07,027 INFO  L93              Difference]: Finished difference Result 447 states and 511 transitions.
[2020-07-20 13:05:07,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:05:07,028 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 98
[2020-07-20 13:05:07,030 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:07,032 INFO  L225             Difference]: With dead ends: 447
[2020-07-20 13:05:07,032 INFO  L226             Difference]: Without dead ends: 241
[2020-07-20 13:05:07,033 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:05:07,035 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 241 states.
[2020-07-20 13:05:07,058 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238.
[2020-07-20 13:05:07,059 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 238 states.
[2020-07-20 13:05:07,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions.
[2020-07-20 13:05:07,061 INFO  L78                 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 98
[2020-07-20 13:05:07,061 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:07,061 INFO  L479      AbstractCegarLoop]: Abstraction has 238 states and 265 transitions.
[2020-07-20 13:05:07,061 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:05:07,061 INFO  L276                IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions.
[2020-07-20 13:05:07,062 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2020-07-20 13:05:07,063 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:07,063 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:07,277 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,278 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:07,278 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:07,278 INFO  L82        PathProgramCache]: Analyzing trace with hash 373063311, now seen corresponding path program 1 times
[2020-07-20 13:05:07,279 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,279 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141802018]
[2020-07-20 13:05:07,279 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,572 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:05:07,573 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:07,578 INFO  L263         TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:05:07,581 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:07,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:07,621 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:07,622 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141802018]
[2020-07-20 13:05:07,622 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:07,622 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:05:07,622 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796762516]
[2020-07-20 13:05:07,624 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:05:07,624 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,624 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:05:07,625 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:07,625 INFO  L87              Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 3 states.
[2020-07-20 13:05:07,669 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:07,669 INFO  L93              Difference]: Finished difference Result 628 states and 730 transitions.
[2020-07-20 13:05:07,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:05:07,671 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 98
[2020-07-20 13:05:07,671 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:07,676 INFO  L225             Difference]: With dead ends: 628
[2020-07-20 13:05:07,676 INFO  L226             Difference]: Without dead ends: 418
[2020-07-20 13:05:07,678 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:05:07,679 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 418 states.
[2020-07-20 13:05:07,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 415.
[2020-07-20 13:05:07,705 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 415 states.
[2020-07-20 13:05:07,707 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 475 transitions.
[2020-07-20 13:05:07,708 INFO  L78                 Accepts]: Start accepts. Automaton has 415 states and 475 transitions. Word has length 98
[2020-07-20 13:05:07,708 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:07,708 INFO  L479      AbstractCegarLoop]: Abstraction has 415 states and 475 transitions.
[2020-07-20 13:05:07,709 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:05:07,709 INFO  L276                IsEmpty]: Start isEmpty. Operand 415 states and 475 transitions.
[2020-07-20 13:05:07,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:05:07,711 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:07,711 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:07,921 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:07,922 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:07,923 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:07,923 INFO  L82        PathProgramCache]: Analyzing trace with hash 1661296137, now seen corresponding path program 1 times
[2020-07-20 13:05:07,923 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:07,924 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295113120]
[2020-07-20 13:05:07,924 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:08,390 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:08,391 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:08,397 INFO  L263         TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 13:05:08,401 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:08,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:08,516 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:05:08,516 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295113120]
[2020-07-20 13:05:08,517 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:05:08,517 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 13:05:08,517 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299756528]
[2020-07-20 13:05:08,517 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:08,517 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:08,518 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:08,518 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:08,518 INFO  L87              Difference]: Start difference. First operand 415 states and 475 transitions. Second operand 10 states.
[2020-07-20 13:05:10,089 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:10,089 INFO  L93              Difference]: Finished difference Result 1116 states and 1441 transitions.
[2020-07-20 13:05:10,090 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 13:05:10,090 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 102
[2020-07-20 13:05:10,091 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:10,099 INFO  L225             Difference]: With dead ends: 1116
[2020-07-20 13:05:10,099 INFO  L226             Difference]: Without dead ends: 729
[2020-07-20 13:05:10,101 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2020-07-20 13:05:10,103 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 729 states.
[2020-07-20 13:05:10,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 552.
[2020-07-20 13:05:10,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 552 states.
[2020-07-20 13:05:10,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 643 transitions.
[2020-07-20 13:05:10,177 INFO  L78                 Accepts]: Start accepts. Automaton has 552 states and 643 transitions. Word has length 102
[2020-07-20 13:05:10,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:10,178 INFO  L479      AbstractCegarLoop]: Abstraction has 552 states and 643 transitions.
[2020-07-20 13:05:10,178 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:10,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 552 states and 643 transitions.
[2020-07-20 13:05:10,185 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2020-07-20 13:05:10,185 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:05:10,185 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:05:10,399 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:10,400 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:05:10,400 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:05:10,401 INFO  L82        PathProgramCache]: Analyzing trace with hash -577396182, now seen corresponding path program 1 times
[2020-07-20 13:05:10,401 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:05:10,402 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431832967]
[2020-07-20 13:05:10,402 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:10,838 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:05:10,838 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:05:10,845 INFO  L263         TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:05:10,850 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:05:10,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:05:10,942 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:05:11,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2020-07-20 13:05:11,426 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431832967]
[2020-07-20 13:05:11,427 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:05:11,427 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 13:05:11,427 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853647572]
[2020-07-20 13:05:11,428 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:05:11,428 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:05:11,428 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:05:11,429 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:05:11,429 INFO  L87              Difference]: Start difference. First operand 552 states and 643 transitions. Second operand 10 states.
[2020-07-20 13:05:12,383 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:05:12,383 INFO  L93              Difference]: Finished difference Result 660 states and 782 transitions.
[2020-07-20 13:05:12,384 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-07-20 13:05:12,384 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 180
[2020-07-20 13:05:12,385 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:05:12,385 INFO  L225             Difference]: With dead ends: 660
[2020-07-20 13:05:12,385 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:05:12,387 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 347 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2020-07-20 13:05:12,387 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:05:12,387 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:05:12,388 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:05:12,388 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:05:12,388 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180
[2020-07-20 13:05:12,388 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:05:12,388 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:05:12,388 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:05:12,389 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:05:12,389 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:05:12,589 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:05:12,592 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:05:13,770 WARN  L193               SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 13:05:14,276 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 13:05:14,471 WARN  L193               SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25
[2020-07-20 13:05:14,869 WARN  L193               SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43
[2020-07-20 13:05:15,182 WARN  L193               SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40
[2020-07-20 13:05:15,376 WARN  L193               SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 13:05:15,566 WARN  L193               SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31
[2020-07-20 13:05:16,184 WARN  L193               SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29
[2020-07-20 13:05:16,446 WARN  L193               SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36
[2020-07-20 13:05:16,583 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29
[2020-07-20 13:05:16,913 WARN  L193               SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39
[2020-07-20 13:05:17,495 WARN  L193               SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  L736(lines 736 740)  no Hoare annotation was computed.
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  L736-1(lines 736 740)  no Hoare annotation was computed.
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  L731(line 731)  no Hoare annotation was computed.
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  L730-2(lines 730 751)  no Hoare annotation was computed.
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 705 760)  no Hoare annotation was computed.
[2020-07-20 13:05:17,587 INFO  L268        CegarLoopResult]: For program point  L752(lines 729 753)  no Hoare annotation was computed.
[2020-07-20 13:05:17,588 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 705 760)  no Hoare annotation was computed.
[2020-07-20 13:05:17,588 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 705 760)  no Hoare annotation was computed.
[2020-07-20 13:05:17,588 INFO  L268        CegarLoopResult]: For program point  L793(lines 793 797)  no Hoare annotation was computed.
[2020-07-20 13:05:17,588 INFO  L268        CegarLoopResult]: For program point  L793-1(lines 793 797)  no Hoare annotation was computed.
[2020-07-20 13:05:17,588 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 761 820)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  L788(line 788)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  L787-2(lines 787 812)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 761 820)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  L813(lines 786 814)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 761 820)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  L806(line 806)  no Hoare annotation was computed.
[2020-07-20 13:05:17,589 INFO  L268        CegarLoopResult]: For program point  L806-1(line 806)  no Hoare annotation was computed.
[2020-07-20 13:05:17,590 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 636 642)  the Hoare annotation is:  true
[2020-07-20 13:05:17,590 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 636 642)  no Hoare annotation was computed.
[2020-07-20 13:05:17,590 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 643 651)  no Hoare annotation was computed.
[2020-07-20 13:05:17,590 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 643 651)  the Hoare annotation is:  true
[2020-07-20 13:05:17,590 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 643 651)  no Hoare annotation was computed.
[2020-07-20 13:05:17,590 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 44 51)  the Hoare annotation is:  true
[2020-07-20 13:05:17,590 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 44 51)  no Hoare annotation was computed.
[2020-07-20 13:05:17,590 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 44 51)  no Hoare annotation was computed.
[2020-07-20 13:05:17,591 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 52 61)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)))))
[2020-07-20 13:05:17,591 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 52 61)  no Hoare annotation was computed.
[2020-07-20 13:05:17,591 INFO  L268        CegarLoopResult]: For program point  L57(line 57)  no Hoare annotation was computed.
[2020-07-20 13:05:17,591 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 52 61)  no Hoare annotation was computed.
[2020-07-20 13:05:17,591 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 62 90)  the Hoare annotation is:  true
[2020-07-20 13:05:17,591 INFO  L264        CegarLoopResult]: At program point  L77(line 77)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 62 90)  no Hoare annotation was computed.
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  L74(lines 74 84)  no Hoare annotation was computed.
[2020-07-20 13:05:17,592 INFO  L264        CegarLoopResult]: At program point  L72(line 72)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  L72-1(line 72)  no Hoare annotation was computed.
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  L70(lines 70 87)  no Hoare annotation was computed.
[2020-07-20 13:05:17,592 INFO  L268        CegarLoopResult]: For program point  L70-1(lines 62 90)  no Hoare annotation was computed.
[2020-07-20 13:05:17,593 INFO  L271        CegarLoopResult]: At program point  L68(line 68)  the Hoare annotation is:  true
[2020-07-20 13:05:17,593 INFO  L268        CegarLoopResult]: For program point  L68-1(line 68)  no Hoare annotation was computed.
[2020-07-20 13:05:17,593 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 290 312)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,593 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 290 312)  no Hoare annotation was computed.
[2020-07-20 13:05:17,593 INFO  L264        CegarLoopResult]: At program point  L302(line 302)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,593 INFO  L264        CegarLoopResult]: At program point  L302-1(line 302)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,593 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 290 312)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L300(lines 300 307)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L300-1(lines 300 307)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L298(line 298)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L264        CegarLoopResult]: At program point  L297(line 297)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,594 INFO  L264        CegarLoopResult]: At program point  L296(line 296)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,594 INFO  L264        CegarLoopResult]: At program point  L296-1(line 296)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L257(line 257)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L256(line 256)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 244 267)  no Hoare annotation was computed.
[2020-07-20 13:05:17,594 INFO  L268        CegarLoopResult]: For program point  L255(line 255)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L254(line 254)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L253(line 253)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 244 267)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L252(line 252)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 244 267)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L251(line 251)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L250(line 250)  no Hoare annotation was computed.
[2020-07-20 13:05:17,595 INFO  L268        CegarLoopResult]: For program point  L249(line 249)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  L262(line 262)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  L261(line 261)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  L260(line 260)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  L259(line 259)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  L258(line 258)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 459 467)  no Hoare annotation was computed.
[2020-07-20 13:05:17,596 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 459 467)  the Hoare annotation is:  true
[2020-07-20 13:05:17,596 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 459 467)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  L530-1(line 530)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 523 541)  the Hoare annotation is:  true
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 523 541)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  L532(lines 532 536)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L271        CegarLoopResult]: At program point  L530(line 530)  the Hoare annotation is:  true
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  L532-2(lines 532 536)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 523 541)  no Hoare annotation was computed.
[2020-07-20 13:05:17,597 INFO  L268        CegarLoopResult]: For program point  L475(lines 475 483)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  L475-2(lines 475 483)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  L498(line 498)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  L498-1(line 498)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 468 503)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  L487(lines 487 495)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 468 503)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  L487-2(lines 487 495)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 468 503)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 629 635)  no Hoare annotation was computed.
[2020-07-20 13:05:17,598 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 629 635)  the Hoare annotation is:  true
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 659 704)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 659 704)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 659 704)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  L992(lines 992 999)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  L986(lines 986 1006)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 972 1017)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  L986-1(lines 986 1006)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 972 1017)  no Hoare annotation was computed.
[2020-07-20 13:05:17,599 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 972 1017)  no Hoare annotation was computed.
[2020-07-20 13:05:17,600 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 276 286)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,600 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 276 286)  no Hoare annotation was computed.
[2020-07-20 13:05:17,600 INFO  L264        CegarLoopResult]: At program point  L281(line 281)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,600 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 276 286)  no Hoare annotation was computed.
[2020-07-20 13:05:17,600 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 448 458)  the Hoare annotation is:  true
[2020-07-20 13:05:17,600 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 448 458)  no Hoare annotation was computed.
[2020-07-20 13:05:17,600 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 448 458)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L271        CegarLoopResult]: At program point  L453(line 453)  the Hoare annotation is:  true
[2020-07-20 13:05:17,601 INFO  L268        CegarLoopResult]: For program point  L453-1(line 453)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L264        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 440 447)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))
[2020-07-20 13:05:17,601 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 440 447)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 440 447)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L268        CegarLoopResult]: For program point  L182(lines 182 188)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 178 191)  no Hoare annotation was computed.
[2020-07-20 13:05:17,601 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 178 191)  the Hoare annotation is:  true
[2020-07-20 13:05:17,602 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 178 191)  no Hoare annotation was computed.
[2020-07-20 13:05:17,602 INFO  L264        CegarLoopResult]: At program point  L417(line 417)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,602 INFO  L268        CegarLoopResult]: For program point  L415(lines 415 423)  no Hoare annotation was computed.
[2020-07-20 13:05:17,602 INFO  L264        CegarLoopResult]: At program point  L413(line 413)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,602 INFO  L268        CegarLoopResult]: For program point  L413-1(line 413)  no Hoare annotation was computed.
[2020-07-20 13:05:17,602 INFO  L268        CegarLoopResult]: For program point  L411(lines 411 428)  no Hoare annotation was computed.
[2020-07-20 13:05:17,603 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 407 431)  no Hoare annotation was computed.
[2020-07-20 13:05:17,603 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 407 431)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,603 INFO  L264        CegarLoopResult]: At program point  L426(line 426)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,603 INFO  L268        CegarLoopResult]: For program point  L426-1(lines 407 431)  no Hoare annotation was computed.
[2020-07-20 13:05:17,603 INFO  L264        CegarLoopResult]: At program point  L421(line 421)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,603 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 347 353)  no Hoare annotation was computed.
[2020-07-20 13:05:17,604 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 347 353)  the Hoare annotation is:  true
[2020-07-20 13:05:17,604 INFO  L264        CegarLoopResult]: At program point  L609(lines 560 610)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,604 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 551 616)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:05:17,604 INFO  L268        CegarLoopResult]: For program point  L599(lines 599 603)  no Hoare annotation was computed.
[2020-07-20 13:05:17,604 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 551 616)  no Hoare annotation was computed.
[2020-07-20 13:05:17,604 INFO  L264        CegarLoopResult]: At program point  L599-2(lines 591 604)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 13:05:17,605 INFO  L268        CegarLoopResult]: For program point  L562(lines 561 608)  no Hoare annotation was computed.
[2020-07-20 13:05:17,605 INFO  L264        CegarLoopResult]: At program point  L593(line 593)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 13:05:17,605 INFO  L268        CegarLoopResult]: For program point  L591(lines 591 604)  no Hoare annotation was computed.
[2020-07-20 13:05:17,605 INFO  L264        CegarLoopResult]: At program point  L583(line 583)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 13:05:17,605 INFO  L268        CegarLoopResult]: For program point  L581(lines 581 587)  no Hoare annotation was computed.
[2020-07-20 13:05:17,605 INFO  L268        CegarLoopResult]: For program point  L581-1(lines 581 587)  no Hoare annotation was computed.
[2020-07-20 13:05:17,606 INFO  L264        CegarLoopResult]: At program point  L606(lines 561 608)  the Hoare annotation is:  (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 13:05:17,606 INFO  L264        CegarLoopResult]: At program point  L573(line 573)  the Hoare annotation is:  (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 13:05:17,606 INFO  L268        CegarLoopResult]: For program point  L571(lines 571 577)  no Hoare annotation was computed.
[2020-07-20 13:05:17,606 INFO  L268        CegarLoopResult]: For program point  L571-1(lines 571 577)  no Hoare annotation was computed.
[2020-07-20 13:05:17,606 INFO  L268        CegarLoopResult]: For program point  L563(lines 563 567)  no Hoare annotation was computed.
[2020-07-20 13:05:17,606 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 551 616)  no Hoare annotation was computed.
[2020-07-20 13:05:17,606 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 926 971)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 926 971)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  L946(lines 946 953)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 926 971)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  L940(lines 940 960)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  L940-1(lines 940 960)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 192 200)  no Hoare annotation was computed.
[2020-07-20 13:05:17,607 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 192 200)  the Hoare annotation is:  true
[2020-07-20 13:05:17,607 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 192 200)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  L154(lines 154 162)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 146 168)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  L154-2(lines 154 162)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 146 168)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 146 168)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 619 628)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 619 628)  no Hoare annotation was computed.
[2020-07-20 13:05:17,608 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 619 628)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 823 925)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L888(line 888)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L888-1(line 888)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L847(lines 847 851)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L911(lines 911 922)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 878)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  L872-2(lines 872 892)  no Hoare annotation was computed.
[2020-07-20 13:05:17,609 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 823 925)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L893(lines 871 894)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L852(lines 852 868)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 823 925)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L912(lines 912 919)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L873(lines 872 892)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L904(line 904)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L904-1(line 904)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  L869(lines 869 910)  no Hoare annotation was computed.
[2020-07-20 13:05:17,610 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,611 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))
[2020-07-20 13:05:17,611 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,611 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 432 439)  no Hoare annotation was computed.
[2020-07-20 13:05:17,611 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 432 439)  no Hoare annotation was computed.
[2020-07-20 13:05:17,611 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 432 439)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:05:17,611 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 169 177)  the Hoare annotation is:  true
[2020-07-20 13:05:17,611 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 169 177)  no Hoare annotation was computed.
[2020-07-20 13:05:17,611 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 169 177)  no Hoare annotation was computed.
[2020-07-20 13:05:17,612 INFO  L268        CegarLoopResult]: For program point  L513(lines 513 517)  no Hoare annotation was computed.
[2020-07-20 13:05:17,612 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 504 522)  no Hoare annotation was computed.
[2020-07-20 13:05:17,612 INFO  L271        CegarLoopResult]: At program point  L511(line 511)  the Hoare annotation is:  true
[2020-07-20 13:05:17,612 INFO  L268        CegarLoopResult]: For program point  L513-2(lines 513 517)  no Hoare annotation was computed.
[2020-07-20 13:05:17,612 INFO  L268        CegarLoopResult]: For program point  L511-1(line 511)  no Hoare annotation was computed.
[2020-07-20 13:05:17,612 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 504 522)  the Hoare annotation is:  true
[2020-07-20 13:05:17,612 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 504 522)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  L129-1(lines 125 136)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 125 136)  the Hoare annotation is:  true
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 125 136)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 137 145)  the Hoare annotation is:  true
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 137 145)  no Hoare annotation was computed.
[2020-07-20 13:05:17,613 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 137 145)  no Hoare annotation was computed.
[2020-07-20 13:05:17,614 INFO  L264        CegarLoopResult]: At program point  L336(line 336)  the Hoare annotation is:  (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5))))
[2020-07-20 13:05:17,614 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 320 346)  the Hoare annotation is:  (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0))))
[2020-07-20 13:05:17,614 INFO  L264        CegarLoopResult]: At program point  L334(lines 334 340)  the Hoare annotation is:  (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9))))
[2020-07-20 13:05:17,614 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 320 346)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L264        CegarLoopResult]: At program point  L329(line 329)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:05:17,615 INFO  L268        CegarLoopResult]: For program point  L327(lines 323 345)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 320 346)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L268        CegarLoopResult]: For program point  L325(lines 323 345)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L268        CegarLoopResult]: For program point  L224(line 224)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 213 242)  no Hoare annotation was computed.
[2020-07-20 13:05:17,615 INFO  L271        CegarLoopResult]: At program point  L223-2(lines 223 237)  the Hoare annotation is:  true
[2020-07-20 13:05:17,615 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 213 242)  the Hoare annotation is:  true
[2020-07-20 13:05:17,616 INFO  L271        CegarLoopResult]: At program point  L219(line 219)  the Hoare annotation is:  true
[2020-07-20 13:05:17,616 INFO  L268        CegarLoopResult]: For program point  L219-1(line 219)  no Hoare annotation was computed.
[2020-07-20 13:05:17,616 INFO  L271        CegarLoopResult]: At program point  L238(lines 213 242)  the Hoare annotation is:  true
[2020-07-20 13:05:17,616 INFO  L268        CegarLoopResult]: For program point  L234(line 234)  no Hoare annotation was computed.
[2020-07-20 13:05:17,616 INFO  L268        CegarLoopResult]: For program point  L227(lines 227 231)  no Hoare annotation was computed.
[2020-07-20 13:05:17,616 INFO  L271        CegarLoopResult]: At program point  L227-1(lines 227 231)  the Hoare annotation is:  true
[2020-07-20 13:05:17,616 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 101 112)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:05:17,616 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 101 112)  no Hoare annotation was computed.
[2020-07-20 13:05:17,617 INFO  L268        CegarLoopResult]: For program point  L105-1(lines 101 112)  no Hoare annotation was computed.
[2020-07-20 13:05:17,617 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 268 274)  no Hoare annotation was computed.
[2020-07-20 13:05:17,617 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 268 274)  the Hoare annotation is:  true
[2020-07-20 13:05:17,617 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,617 INFO  L264        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:05:17,617 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:05:17,617 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:05:17,617 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 542 549)  no Hoare annotation was computed.
[2020-07-20 13:05:17,618 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 542 549)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2)))
[2020-07-20 13:05:17,618 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 542 549)  no Hoare annotation was computed.
[2020-07-20 13:05:17,618 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,618 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379)  no Hoare annotation was computed.
[2020-07-20 13:05:17,618 INFO  L264        CegarLoopResult]: At program point  L374(line 374)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))))
[2020-07-20 13:05:17,618 INFO  L268        CegarLoopResult]: For program point  L374-1(lines 355 379)  no Hoare annotation was computed.
[2020-07-20 13:05:17,618 INFO  L264        CegarLoopResult]: At program point  L369(line 369)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,619 INFO  L264        CegarLoopResult]: At program point  L365(line 365)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,619 INFO  L268        CegarLoopResult]: For program point  L363(lines 363 371)  no Hoare annotation was computed.
[2020-07-20 13:05:17,619 INFO  L264        CegarLoopResult]: At program point  L361(line 361)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,619 INFO  L268        CegarLoopResult]: For program point  L361-1(line 361)  no Hoare annotation was computed.
[2020-07-20 13:05:17,619 INFO  L268        CegarLoopResult]: For program point  L359(lines 359 376)  no Hoare annotation was computed.
[2020-07-20 13:05:17,619 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 113 124)  no Hoare annotation was computed.
[2020-07-20 13:05:17,619 INFO  L268        CegarLoopResult]: For program point  L117-1(lines 113 124)  no Hoare annotation was computed.
[2020-07-20 13:05:17,619 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 113 124)  the Hoare annotation is:  (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))
[2020-07-20 13:05:17,620 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 202 209)  no Hoare annotation was computed.
[2020-07-20 13:05:17,620 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206)  no Hoare annotation was computed.
[2020-07-20 13:05:17,620 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 202 209)  the Hoare annotation is:  true
[2020-07-20 13:05:17,620 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 202 209)  no Hoare annotation was computed.
[2020-07-20 13:05:17,620 INFO  L268        CegarLoopResult]: For program point  L385(lines 385 402)  no Hoare annotation was computed.
[2020-07-20 13:05:17,620 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405)  no Hoare annotation was computed.
[2020-07-20 13:05:17,620 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,621 INFO  L264        CegarLoopResult]: At program point  L400(line 400)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:05:17,621 INFO  L268        CegarLoopResult]: For program point  L400-1(lines 381 405)  no Hoare annotation was computed.
[2020-07-20 13:05:17,621 INFO  L264        CegarLoopResult]: At program point  L395(line 395)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,621 INFO  L264        CegarLoopResult]: At program point  L391(line 391)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,621 INFO  L268        CegarLoopResult]: For program point  L389(lines 389 397)  no Hoare annotation was computed.
[2020-07-20 13:05:17,621 INFO  L264        CegarLoopResult]: At program point  L387(line 387)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:05:17,621 INFO  L268        CegarLoopResult]: For program point  L387-1(line 387)  no Hoare annotation was computed.
[2020-07-20 13:05:17,642 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:17 BoogieIcfgContainer
[2020-07-20 13:05:17,642 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:05:17,645 INFO  L168              Benchmark]: Toolchain (without parser) took 18636.21 ms. Allocated memory was 135.8 MB in the beginning and 422.6 MB in the end (delta: 286.8 MB). Free memory was 98.7 MB in the beginning and 292.3 MB in the end (delta: -193.6 MB). Peak memory consumption was 308.0 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,646 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,650 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 650.18 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.3 MB in the beginning and 168.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,650 INFO  L168              Benchmark]: Boogie Preprocessor took 91.62 ms. Allocated memory is still 200.3 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,653 INFO  L168              Benchmark]: RCFGBuilder took 1264.45 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 164.2 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,654 INFO  L168              Benchmark]: TraceAbstraction took 16623.48 ms. Allocated memory was 228.1 MB in the beginning and 422.6 MB in the end (delta: 194.5 MB). Free memory was 190.1 MB in the beginning and 292.3 MB in the end (delta: -102.2 MB). Peak memory consumption was 307.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:05:17,662 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 135.8 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 650.18 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 98.3 MB in the beginning and 168.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 91.62 ms. Allocated memory is still 200.3 MB. Free memory was 168.5 MB in the beginning and 164.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1264.45 ms. Allocated memory was 200.3 MB in the beginning and 228.1 MB in the end (delta: 27.8 MB). Free memory was 164.2 MB in the beginning and 191.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 16623.48 ms. Allocated memory was 228.1 MB in the beginning and 422.6 MB in the end (delta: 194.5 MB). Free memory was 190.1 MB in the beginning and 292.3 MB in the end (delta: -102.2 MB). Peak memory consumption was 307.1 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 206]: 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: 561]: Loop Invariant
    Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)
  - InvariantResult [Line: 223]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 560]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 213]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 44 procedures, 259 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2088 SDtfs, 1409 SDslu, 3674 SDs, 0 SdLazy, 2241 SolverSat, 569 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1134 GetRequests, 1072 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 203 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1015 PreInvPairs, 1099 NumberOfFragments, 1883 HoareAnnotationTreeSize, 1015 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 71 FomulaSimplificationsInter, 8559 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 940 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1109 ConstructedInterpolants, 0 QuantifiedInterpolants, 247417 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7653 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 95/121 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...