/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_spec3_product34.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 13:02:45,758 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:02:45,760 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:02:45,773 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:02:45,773 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:02:45,775 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:02:45,776 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:02:45,778 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:02:45,780 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:02:45,781 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:02:45,782 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:02:45,783 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:02:45,783 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:02:45,784 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:02:45,785 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:02:45,787 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:02:45,787 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:02:45,788 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:02:45,790 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:02:45,792 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:02:45,794 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:02:45,795 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:02:45,796 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:02:45,797 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:02:45,800 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:02:45,800 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:02:45,800 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:02:45,801 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:02:45,802 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:02:45,803 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:02:45,803 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:02:45,804 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:02:45,804 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:02:45,805 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:02:45,806 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:02:45,807 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:02:45,807 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:02:45,808 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:02:45,808 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:02:45,809 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:02:45,809 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:02:45,810 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 13:02:45,831 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 13:02:45,832 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:02:45,833 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:02:45,833 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 13:02:45,833 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 13:02:45,833 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:02:45,834 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:02:45,835 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:02:45,835 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 13:02:45,835 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 13:02:45,835 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 13:02:45,835 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:02:45,836 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:02:45,836 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 13:02:45,836 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 13:02:45,837 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 13:02:45,837 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:02:45,838 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:02:45,838 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:02:45,838 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:02:45,838 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 13:02:45,838 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:45,839 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:02:45,839 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 13:02:45,839 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 13:02:46,114 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:02:46,127 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:02:46,130 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:02:46,132 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 13:02:46,132 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 13:02:46,133 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c
[2020-07-20 13:02:46,206 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b522b051e/38a8a2c6a506495ebae88f1d327ddcb8/FLAG69717b04d
[2020-07-20 13:02:46,783 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 13:02:46,783 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c
[2020-07-20 13:02:46,797 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b522b051e/38a8a2c6a506495ebae88f1d327ddcb8/FLAG69717b04d
[2020-07-20 13:02:47,064 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b522b051e/38a8a2c6a506495ebae88f1d327ddcb8
[2020-07-20 13:02:47,073 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:02:47,076 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:02:47,077 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:02:47,077 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:02:47,081 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:02:47,083 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,086 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b492b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47, skipping insertion in model container
[2020-07-20 13:02:47,086 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,094 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 13:02:47,162 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:02:47,470 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:02:47,578 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 13:02:47,675 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:02:47,714 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 13:02:47,714 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47 WrapperNode
[2020-07-20 13:02:47,714 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:02:47,715 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:02:47,715 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:02:47,716 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:02:47,729 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,729 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,748 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,748 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,779 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,792 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,796 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (1/1) ...
[2020-07-20 13:02:47,808 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:02:47,808 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:02:47,808 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:02:47,809 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:02:47,810 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (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 13:02:47,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:02:47,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:02:47,876 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:02:47,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:02:47,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:02:47,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:02:47,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:02:47,877 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:02:47,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:02:47,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:02:47,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:02:47,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:02:47,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:02:47,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:02:47,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:02:47,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:02:47,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:02:47,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:02:47,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 13:02:47,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:02:47,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:02:47,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:02:47,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:02:47,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:02:47,882 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:02:47,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-07-20 13:02:47,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:02:47,883 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:02:47,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:02:47,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:02:47,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:02:47,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:02:47,884 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:02:47,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:02:47,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:02:47,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:02:47,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:02:47,885 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:02:47,885 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:02:47,885 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:02:47,886 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:02:47,888 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:02:47,889 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:02:47,889 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:02:47,890 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:02:47,890 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:02:47,890 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:02:47,891 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:02:47,892 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:02:47,893 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:02:47,893 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:02:47,893 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:02:47,894 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:02:47,894 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:02:47,894 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:02:47,895 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:02:47,895 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:02:47,895 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:02:47,895 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:02:47,896 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:02:48,963 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:02:48,964 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:02:48,969 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:48 BoogieIcfgContainer
[2020-07-20 13:02:48,969 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:02:48,970 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:02:48,971 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:02:48,974 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:02:48,974 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:47" (1/3) ...
[2020-07-20 13:02:48,975 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ce5292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:48, skipping insertion in model container
[2020-07-20 13:02:48,975 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:47" (2/3) ...
[2020-07-20 13:02:48,975 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ce5292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:48, skipping insertion in model container
[2020-07-20 13:02:48,976 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:48" (3/3) ...
[2020-07-20 13:02:48,977 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c
[2020-07-20 13:02:48,988 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:02:48,996 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:02:49,010 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:02:49,031 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:02:49,032 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 13:02:49,032 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:02:49,032 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:02:49,032 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:02:49,032 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 13:02:49,033 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:02:49,033 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:02:49,056 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states.
[2020-07-20 13:02:49,066 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2020-07-20 13:02:49,066 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:49,067 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:49,068 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:49,074 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:49,074 INFO  L82        PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times
[2020-07-20 13:02:49,083 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:49,083 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616244588]
[2020-07-20 13:02:49,084 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 13:02:49,577 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:49,577 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:49,585 INFO  L263         TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:02:49,594 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:49,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:49,630 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:49,631 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616244588]
[2020-07-20 13:02:49,632 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:49,632 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:02:49,634 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925742979]
[2020-07-20 13:02:49,640 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:02:49,641 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:49,659 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:02:49,660 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:02:49,662 INFO  L87              Difference]: Start difference. First operand 161 states. Second operand 2 states.
[2020-07-20 13:02:49,705 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:49,705 INFO  L93              Difference]: Finished difference Result 230 states and 285 transitions.
[2020-07-20 13:02:49,706 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 13:02:49,707 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 52
[2020-07-20 13:02:49,708 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:49,720 INFO  L225             Difference]: With dead ends: 230
[2020-07-20 13:02:49,721 INFO  L226             Difference]: Without dead ends: 115
[2020-07-20 13:02:49,725 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 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 13:02:49,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-07-20 13:02:49,774 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2020-07-20 13:02:49,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-07-20 13:02:49,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions.
[2020-07-20 13:02:49,780 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52
[2020-07-20 13:02:49,780 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:49,780 INFO  L479      AbstractCegarLoop]: Abstraction has 115 states and 134 transitions.
[2020-07-20 13:02:49,780 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:02:49,781 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions.
[2020-07-20 13:02:49,784 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-07-20 13:02:49,784 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:49,785 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:49,998 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:49,999 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:50,000 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:50,000 INFO  L82        PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times
[2020-07-20 13:02:50,001 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:50,002 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970619709]
[2020-07-20 13:02:50,002 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 13:02:50,435 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:50,435 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:50,443 INFO  L263         TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:02:50,447 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:50,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:50,501 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:50,501 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970619709]
[2020-07-20 13:02:50,501 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:50,501 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:02:50,502 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587232210]
[2020-07-20 13:02:50,506 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:02:50,506 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:50,506 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:02:50,507 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:02:50,507 INFO  L87              Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 3 states.
[2020-07-20 13:02:50,544 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:50,544 INFO  L93              Difference]: Finished difference Result 175 states and 203 transitions.
[2020-07-20 13:02:50,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:02:50,547 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 53
[2020-07-20 13:02:50,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:50,550 INFO  L225             Difference]: With dead ends: 175
[2020-07-20 13:02:50,550 INFO  L226             Difference]: Without dead ends: 106
[2020-07-20 13:02:50,553 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 13:02:50,554 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2020-07-20 13:02:50,571 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2020-07-20 13:02:50,571 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 106 states.
[2020-07-20 13:02:50,573 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions.
[2020-07-20 13:02:50,573 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53
[2020-07-20 13:02:50,573 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:50,573 INFO  L479      AbstractCegarLoop]: Abstraction has 106 states and 122 transitions.
[2020-07-20 13:02:50,574 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:02:50,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions.
[2020-07-20 13:02:50,579 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2020-07-20 13:02:50,579 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:50,579 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:50,793 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:50,794 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:50,794 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:50,795 INFO  L82        PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times
[2020-07-20 13:02:50,795 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:50,796 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701286219]
[2020-07-20 13:02:50,796 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 13:02:51,219 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:51,219 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:51,226 INFO  L263         TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:02:51,231 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:51,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:51,257 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:51,257 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701286219]
[2020-07-20 13:02:51,257 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:51,257 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:02:51,258 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24466563]
[2020-07-20 13:02:51,258 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:02:51,258 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:51,259 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:02:51,259 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:02:51,259 INFO  L87              Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states.
[2020-07-20 13:02:51,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:51,276 INFO  L93              Difference]: Finished difference Result 188 states and 221 transitions.
[2020-07-20 13:02:51,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 13:02:51,277 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 58
[2020-07-20 13:02:51,277 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:51,279 INFO  L225             Difference]: With dead ends: 188
[2020-07-20 13:02:51,279 INFO  L226             Difference]: Without dead ends: 106
[2020-07-20 13:02:51,280 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 13:02:51,281 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2020-07-20 13:02:51,290 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2020-07-20 13:02:51,291 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 106 states.
[2020-07-20 13:02:51,291 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions.
[2020-07-20 13:02:51,292 INFO  L78                 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58
[2020-07-20 13:02:51,292 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:51,292 INFO  L479      AbstractCegarLoop]: Abstraction has 106 states and 121 transitions.
[2020-07-20 13:02:51,292 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:02:51,293 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions.
[2020-07-20 13:02:51,294 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2020-07-20 13:02:51,294 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:51,294 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:51,507 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:51,508 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:51,509 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:51,509 INFO  L82        PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times
[2020-07-20 13:02:51,509 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:51,510 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682286098]
[2020-07-20 13:02:51,510 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 13:02:51,922 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:51,923 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:51,928 INFO  L263         TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:02:51,932 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:51,974 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:51,974 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:51,974 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682286098]
[2020-07-20 13:02:51,975 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:51,975 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:02:51,975 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100526319]
[2020-07-20 13:02:51,976 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:02:51,976 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:51,976 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:02:51,977 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:02:51,977 INFO  L87              Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states.
[2020-07-20 13:02:52,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:52,502 INFO  L93              Difference]: Finished difference Result 251 states and 295 transitions.
[2020-07-20 13:02:52,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 13:02:52,503 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 66
[2020-07-20 13:02:52,503 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:52,507 INFO  L225             Difference]: With dead ends: 251
[2020-07-20 13:02:52,507 INFO  L226             Difference]: Without dead ends: 169
[2020-07-20 13:02:52,510 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 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 13:02:52,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2020-07-20 13:02:52,549 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 166.
[2020-07-20 13:02:52,549 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2020-07-20 13:02:52,550 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 188 transitions.
[2020-07-20 13:02:52,553 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 188 transitions. Word has length 66
[2020-07-20 13:02:52,554 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:52,554 INFO  L479      AbstractCegarLoop]: Abstraction has 166 states and 188 transitions.
[2020-07-20 13:02:52,554 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:02:52,554 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 188 transitions.
[2020-07-20 13:02:52,556 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2020-07-20 13:02:52,556 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:52,556 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:52,758 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:52,759 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:52,760 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:52,760 INFO  L82        PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times
[2020-07-20 13:02:52,760 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:52,761 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377903590]
[2020-07-20 13:02:52,761 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 13:02:53,097 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:02:53,097 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:53,101 INFO  L263         TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 14 conjunts are in the unsatisfiable core
[2020-07-20 13:02:53,105 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:53,174 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:53,175 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:53,175 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377903590]
[2020-07-20 13:02:53,175 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:53,176 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:02:53,176 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055352981]
[2020-07-20 13:02:53,176 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:02:53,177 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:53,177 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:02:53,177 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:02:53,177 INFO  L87              Difference]: Start difference. First operand 166 states and 188 transitions. Second operand 6 states.
[2020-07-20 13:02:53,432 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:53,432 INFO  L93              Difference]: Finished difference Result 435 states and 526 transitions.
[2020-07-20 13:02:53,433 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:02:53,433 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 80
[2020-07-20 13:02:53,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:53,437 INFO  L225             Difference]: With dead ends: 435
[2020-07-20 13:02:53,438 INFO  L226             Difference]: Without dead ends: 293
[2020-07-20 13:02:53,439 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 13:02:53,440 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 293 states.
[2020-07-20 13:02:53,468 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 289.
[2020-07-20 13:02:53,468 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 289 states.
[2020-07-20 13:02:53,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 337 transitions.
[2020-07-20 13:02:53,471 INFO  L78                 Accepts]: Start accepts. Automaton has 289 states and 337 transitions. Word has length 80
[2020-07-20 13:02:53,471 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:53,471 INFO  L479      AbstractCegarLoop]: Abstraction has 289 states and 337 transitions.
[2020-07-20 13:02:53,471 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:02:53,471 INFO  L276                IsEmpty]: Start isEmpty. Operand 289 states and 337 transitions.
[2020-07-20 13:02:53,473 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-07-20 13:02:53,474 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:53,474 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:53,688 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:53,689 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:53,690 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:53,690 INFO  L82        PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times
[2020-07-20 13:02:53,690 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:53,691 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680829858]
[2020-07-20 13:02:53,691 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 13:02:53,988 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:53,989 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:53,992 INFO  L263         TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 9 conjunts are in the unsatisfiable core
[2020-07-20 13:02:53,995 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:54,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:54,026 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:54,026 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680829858]
[2020-07-20 13:02:54,026 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:54,026 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:02:54,027 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731409242]
[2020-07-20 13:02:54,027 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:02:54,028 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:54,028 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:02:54,028 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:02:54,028 INFO  L87              Difference]: Start difference. First operand 289 states and 337 transitions. Second operand 5 states.
[2020-07-20 13:02:54,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:54,080 INFO  L93              Difference]: Finished difference Result 557 states and 659 transitions.
[2020-07-20 13:02:54,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 13:02:54,081 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 84
[2020-07-20 13:02:54,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:54,085 INFO  L225             Difference]: With dead ends: 557
[2020-07-20 13:02:54,085 INFO  L226             Difference]: Without dead ends: 292
[2020-07-20 13:02:54,087 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 13:02:54,088 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 292 states.
[2020-07-20 13:02:54,110 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 289.
[2020-07-20 13:02:54,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 289 states.
[2020-07-20 13:02:54,112 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 336 transitions.
[2020-07-20 13:02:54,113 INFO  L78                 Accepts]: Start accepts. Automaton has 289 states and 336 transitions. Word has length 84
[2020-07-20 13:02:54,113 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:54,113 INFO  L479      AbstractCegarLoop]: Abstraction has 289 states and 336 transitions.
[2020-07-20 13:02:54,113 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:02:54,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 289 states and 336 transitions.
[2020-07-20 13:02:54,115 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-07-20 13:02:54,116 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:54,116 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:54,331 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:54,332 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:54,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:54,335 INFO  L82        PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times
[2020-07-20 13:02:54,335 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:54,335 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372040838]
[2020-07-20 13:02:54,335 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 13:02:54,680 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:02:54,681 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:54,685 INFO  L263         TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 13:02:54,688 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:54,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:54,723 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:54,723 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372040838]
[2020-07-20 13:02:54,723 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:54,724 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:02:54,724 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417693362]
[2020-07-20 13:02:54,724 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:02:54,725 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:54,725 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:02:54,725 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:02:54,725 INFO  L87              Difference]: Start difference. First operand 289 states and 336 transitions. Second operand 6 states.
[2020-07-20 13:02:54,764 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:54,764 INFO  L93              Difference]: Finished difference Result 527 states and 625 transitions.
[2020-07-20 13:02:54,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:02:54,764 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 84
[2020-07-20 13:02:54,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:54,767 INFO  L225             Difference]: With dead ends: 527
[2020-07-20 13:02:54,767 INFO  L226             Difference]: Without dead ends: 262
[2020-07-20 13:02:54,768 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 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 13:02:54,769 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 262 states.
[2020-07-20 13:02:54,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259.
[2020-07-20 13:02:54,790 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 259 states.
[2020-07-20 13:02:54,792 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 300 transitions.
[2020-07-20 13:02:54,792 INFO  L78                 Accepts]: Start accepts. Automaton has 259 states and 300 transitions. Word has length 84
[2020-07-20 13:02:54,793 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:54,793 INFO  L479      AbstractCegarLoop]: Abstraction has 259 states and 300 transitions.
[2020-07-20 13:02:54,793 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:02:54,793 INFO  L276                IsEmpty]: Start isEmpty. Operand 259 states and 300 transitions.
[2020-07-20 13:02:54,794 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2020-07-20 13:02:54,795 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 13:02:54,795 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:02:55,009 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:55,010 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:02:55,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:02:55,011 INFO  L82        PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times
[2020-07-20 13:02:55,011 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:02:55,012 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396548719]
[2020-07-20 13:02:55,012 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 13:02:55,384 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:02:55,384 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:02:55,391 INFO  L263         TraceCheckSpWp]: Trace formula consists of 743 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-07-20 13:02:55,394 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:02:55,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:02:55,435 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:02:55,436 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396548719]
[2020-07-20 13:02:55,436 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:02:55,436 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:02:55,436 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516738673]
[2020-07-20 13:02:55,438 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:02:55,438 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:02:55,438 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:02:55,439 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:02:55,439 INFO  L87              Difference]: Start difference. First operand 259 states and 300 transitions. Second operand 6 states.
[2020-07-20 13:02:55,656 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:02:55,657 INFO  L93              Difference]: Finished difference Result 261 states and 303 transitions.
[2020-07-20 13:02:55,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 13:02:55,658 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 85
[2020-07-20 13:02:55,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:02:55,658 INFO  L225             Difference]: With dead ends: 261
[2020-07-20 13:02:55,659 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 13:02:55,660 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 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 13:02:55,660 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:02:55,662 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:02:55,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:02:55,662 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:02:55,662 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85
[2020-07-20 13:02:55,662 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:02:55,663 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:02:55,663 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:02:55,663 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:02:55,663 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:02:55,864 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:02:55,868 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:02:57,024 WARN  L193               SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23
[2020-07-20 13:02:57,425 WARN  L193               SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  L479(lines 456 480)  no Hoare annotation was computed.
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 432 487)  no Hoare annotation was computed.
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  L463(lines 463 467)  no Hoare annotation was computed.
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  L463-1(lines 463 467)  no Hoare annotation was computed.
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  L458(line 458)  no Hoare annotation was computed.
[2020-07-20 13:02:57,871 INFO  L268        CegarLoopResult]: For program point  L457-2(lines 457 478)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 432 487)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 432 487)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  L514-2(lines 514 539)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  L540(lines 513 541)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 488 547)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  L533(line 533)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  L533-1(line 533)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 488 547)  no Hoare annotation was computed.
[2020-07-20 13:02:57,872 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 488 547)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  L520(lines 520 524)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  L520-1(lines 520 524)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  L515(line 515)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 903 909)  the Hoare annotation is:  true
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 903 909)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 910 918)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 910 918)  the Hoare annotation is:  true
[2020-07-20 13:02:57,873 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 910 918)  no Hoare annotation was computed.
[2020-07-20 13:02:57,873 INFO  L264        CegarLoopResult]: At program point  L194-1(line 194)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,874 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 188 210)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,874 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 188 210)  no Hoare annotation was computed.
[2020-07-20 13:02:57,874 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 188 210)  no Hoare annotation was computed.
[2020-07-20 13:02:57,874 INFO  L264        CegarLoopResult]: At program point  L200(line 200)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,874 INFO  L264        CegarLoopResult]: At program point  L200-1(line 200)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,874 INFO  L268        CegarLoopResult]: For program point  L198(lines 198 205)  no Hoare annotation was computed.
[2020-07-20 13:02:57,874 INFO  L268        CegarLoopResult]: For program point  L198-1(lines 198 205)  no Hoare annotation was computed.
[2020-07-20 13:02:57,874 INFO  L268        CegarLoopResult]: For program point  L196(line 196)  no Hoare annotation was computed.
[2020-07-20 13:02:57,875 INFO  L264        CegarLoopResult]: At program point  L195(line 195)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,875 INFO  L264        CegarLoopResult]: At program point  L194(line 194)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,875 INFO  L268        CegarLoopResult]: For program point  L161(line 161)  no Hoare annotation was computed.
[2020-07-20 13:02:57,875 INFO  L268        CegarLoopResult]: For program point  L160(line 160)  no Hoare annotation was computed.
[2020-07-20 13:02:57,875 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 144 167)  no Hoare annotation was computed.
[2020-07-20 13:02:57,875 INFO  L268        CegarLoopResult]: For program point  L159(line 159)  no Hoare annotation was computed.
[2020-07-20 13:02:57,875 INFO  L268        CegarLoopResult]: For program point  L158(line 158)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L157(line 157)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 144 167)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L156(line 156)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 144 167)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L155(line 155)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L154(line 154)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L153(line 153)  no Hoare annotation was computed.
[2020-07-20 13:02:57,876 INFO  L268        CegarLoopResult]: For program point  L152(line 152)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L151(line 151)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L150(line 150)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L149(line 149)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L162(line 162)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 307 315)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 307 315)  the Hoare annotation is:  true
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 307 315)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L323-2(lines 323 331)  no Hoare annotation was computed.
[2020-07-20 13:02:57,877 INFO  L268        CegarLoopResult]: For program point  L346(line 346)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  L346-1(line 346)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  L335(lines 335 343)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 316 351)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  L335-2(lines 335 343)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 316 351)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  L323(lines 323 331)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 316 351)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 896 902)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 896 902)  the Hoare annotation is:  true
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 386 431)  no Hoare annotation was computed.
[2020-07-20 13:02:57,878 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 386 431)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 386 431)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 699 744)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  L719(lines 719 726)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 699 744)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  L713(lines 713 733)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  L713-1(lines 713 733)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 699 744)  no Hoare annotation was computed.
[2020-07-20 13:02:57,879 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 175 184)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 175 184)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 175 184)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 296 306)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  L301(line 301)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  L301-1(line 301)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 296 306)  no Hoare annotation was computed.
[2020-07-20 13:02:57,880 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 296 306)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 288 295)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 288 295)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 288 295)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  L874(lines 874 880)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 870 883)  no Hoare annotation was computed.
[2020-07-20 13:02:57,881 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 870 883)  the Hoare annotation is:  true
[2020-07-20 13:02:57,881 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 870 883)  no Hoare annotation was computed.
[2020-07-20 13:02:57,882 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 255 279)  no Hoare annotation was computed.
[2020-07-20 13:02:57,882 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 255 279)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-20 13:02:57,882 INFO  L264        CegarLoopResult]: At program point  L274(line 274)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-20 13:02:57,882 INFO  L268        CegarLoopResult]: For program point  L274-1(lines 255 279)  no Hoare annotation was computed.
[2020-07-20 13:02:57,882 INFO  L264        CegarLoopResult]: At program point  L269(line 269)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-20 13:02:57,882 INFO  L264        CegarLoopResult]: At program point  L265(line 265)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse1 (= 0 ~pumpRunning~0))) (or (and (<= 1 processEnvironment_~tmp~2) .cse1) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1))))))
[2020-07-20 13:02:57,883 INFO  L268        CegarLoopResult]: For program point  L263(lines 263 271)  no Hoare annotation was computed.
[2020-07-20 13:02:57,883 INFO  L264        CegarLoopResult]: At program point  L261(line 261)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)))))
[2020-07-20 13:02:57,883 INFO  L268        CegarLoopResult]: For program point  L261-1(line 261)  no Hoare annotation was computed.
[2020-07-20 13:02:57,883 INFO  L268        CegarLoopResult]: For program point  L259(lines 259 276)  no Hoare annotation was computed.
[2020-07-20 13:02:57,883 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 247 253)  no Hoare annotation was computed.
[2020-07-20 13:02:57,883 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 247 253)  the Hoare annotation is:  true
[2020-07-20 13:02:57,883 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 45 110)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,884 INFO  L268        CegarLoopResult]: For program point  L93(lines 93 97)  no Hoare annotation was computed.
[2020-07-20 13:02:57,884 INFO  L264        CegarLoopResult]: At program point  L93-2(lines 85 98)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:02:57,884 INFO  L268        CegarLoopResult]: For program point  L56(lines 55 102)  no Hoare annotation was computed.
[2020-07-20 13:02:57,884 INFO  L264        CegarLoopResult]: At program point  L87(line 87)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:02:57,884 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 45 110)  no Hoare annotation was computed.
[2020-07-20 13:02:57,884 INFO  L268        CegarLoopResult]: For program point  L85(lines 85 98)  no Hoare annotation was computed.
[2020-07-20 13:02:57,885 INFO  L264        CegarLoopResult]: At program point  L77(line 77)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:02:57,885 INFO  L268        CegarLoopResult]: For program point  L75(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:02:57,885 INFO  L268        CegarLoopResult]: For program point  L75-1(lines 75 81)  no Hoare annotation was computed.
[2020-07-20 13:02:57,885 INFO  L264        CegarLoopResult]: At program point  L100(lines 55 102)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:02:57,885 INFO  L264        CegarLoopResult]: At program point  L67(line 67)  the Hoare annotation is:  (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))))
[2020-07-20 13:02:57,885 INFO  L268        CegarLoopResult]: For program point  L65(lines 65 71)  no Hoare annotation was computed.
[2020-07-20 13:02:57,885 INFO  L268        CegarLoopResult]: For program point  L65-1(lines 65 71)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  L57(lines 57 61)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L264        CegarLoopResult]: At program point  L103(lines 54 104)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 45 110)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  L673(lines 673 680)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  L667(lines 667 687)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  L667-1(lines 667 687)  no Hoare annotation was computed.
[2020-07-20 13:02:57,886 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 653 698)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 653 698)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 653 698)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  L846(lines 846 854)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  L846-2(lines 846 854)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 838 860)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 838 860)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 838 860)  no Hoare annotation was computed.
[2020-07-20 13:02:57,887 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 550 652)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L574(lines 574 578)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L638(lines 638 649)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L601(lines 601 605)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L599-2(lines 599 619)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L620(lines 598 621)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 550 652)  no Hoare annotation was computed.
[2020-07-20 13:02:57,888 INFO  L268        CegarLoopResult]: For program point  L579(lines 579 595)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L639(lines 639 646)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L600(lines 599 619)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L631(line 631)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L631-1(line 631)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L596(lines 596 637)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 550 652)  no Hoare annotation was computed.
[2020-07-20 13:02:57,889 INFO  L268        CegarLoopResult]: For program point  L615(line 615)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  L615-1(line 615)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 886 895)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 886 895)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 886 895)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (= ~pumpRunning~0 |old(~pumpRunning~0)|)
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 280 287)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 280 287)  no Hoare annotation was computed.
[2020-07-20 13:02:57,890 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 280 287)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))
[2020-07-20 13:02:57,890 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 352 370)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  L361(lines 361 365)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L271        CegarLoopResult]: At program point  L359(line 359)  the Hoare annotation is:  true
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  L361-2(lines 361 365)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  L359-1(line 359)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 352 370)  the Hoare annotation is:  true
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 352 370)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 861 869)  the Hoare annotation is:  true
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 861 869)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 861 869)  no Hoare annotation was computed.
[2020-07-20 13:02:57,891 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 817 828)  the Hoare annotation is:  true
[2020-07-20 13:02:57,891 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 817 828)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L268        CegarLoopResult]: For program point  L821-1(lines 817 828)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 223 246)  the Hoare annotation is:  (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)))
[2020-07-20 13:02:57,892 INFO  L264        CegarLoopResult]: At program point  L236(line 236)  the Hoare annotation is:  (let ((.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse1 .cse4) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3)))
[2020-07-20 13:02:57,892 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 223 246)  no Hoare annotation was computed.
[2020-07-20 13:02:57,892 INFO  L264        CegarLoopResult]: At program point  L234(lines 234 240)  the Hoare annotation is:  (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (and (= 0 ~pumpRunning~0) .cse2) (<= 1 ~pumpRunning~0)) (or .cse3 .cse0 .cse4 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)))
[2020-07-20 13:02:57,893 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 223 246)  no Hoare annotation was computed.
[2020-07-20 13:02:57,893 INFO  L264        CegarLoopResult]: At program point  L229(line 229)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (<= ~waterLevel~0 1)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1)))
[2020-07-20 13:02:57,893 INFO  L268        CegarLoopResult]: For program point  L227(lines 226 245)  no Hoare annotation was computed.
[2020-07-20 13:02:57,893 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 113 142)  no Hoare annotation was computed.
[2020-07-20 13:02:57,893 INFO  L268        CegarLoopResult]: For program point  L127(lines 127 131)  no Hoare annotation was computed.
[2020-07-20 13:02:57,893 INFO  L271        CegarLoopResult]: At program point  L127-1(lines 127 131)  the Hoare annotation is:  true
[2020-07-20 13:02:57,893 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 113 142)  the Hoare annotation is:  true
[2020-07-20 13:02:57,893 INFO  L268        CegarLoopResult]: For program point  L124(line 124)  no Hoare annotation was computed.
[2020-07-20 13:02:57,893 INFO  L271        CegarLoopResult]: At program point  L123-2(lines 123 137)  the Hoare annotation is:  true
[2020-07-20 13:02:57,894 INFO  L271        CegarLoopResult]: At program point  L119(line 119)  the Hoare annotation is:  true
[2020-07-20 13:02:57,894 INFO  L268        CegarLoopResult]: For program point  L119-1(line 119)  no Hoare annotation was computed.
[2020-07-20 13:02:57,894 INFO  L271        CegarLoopResult]: At program point  L138(lines 113 142)  the Hoare annotation is:  true
[2020-07-20 13:02:57,894 INFO  L268        CegarLoopResult]: For program point  L134(line 134)  no Hoare annotation was computed.
[2020-07-20 13:02:57,894 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 829 837)  the Hoare annotation is:  true
[2020-07-20 13:02:57,894 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 829 837)  no Hoare annotation was computed.
[2020-07-20 13:02:57,894 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 829 837)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L268        CegarLoopResult]: For program point  L767(lines 767 773)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L264        CegarLoopResult]: At program point  L765(line 765)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:02:57,895 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification3_spec__1EXIT(lines 748 780)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L268        CegarLoopResult]: For program point  L765-1(line 765)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L268        CegarLoopResult]: For program point  L763(lines 763 776)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L268        CegarLoopResult]: For program point  L763-1(lines 748 780)  no Hoare annotation was computed.
[2020-07-20 13:02:57,895 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification3_spec__1ENTRY(lines 748 780)  the Hoare annotation is:  true
[2020-07-20 13:02:57,896 INFO  L271        CegarLoopResult]: At program point  L761(line 761)  the Hoare annotation is:  true
[2020-07-20 13:02:57,896 INFO  L268        CegarLoopResult]: For program point  L761-1(line 761)  no Hoare annotation was computed.
[2020-07-20 13:02:57,896 INFO  L268        CegarLoopResult]: For program point  L757(lines 757 777)  no Hoare annotation was computed.
[2020-07-20 13:02:57,896 INFO  L271        CegarLoopResult]: At program point  L755(line 755)  the Hoare annotation is:  true
[2020-07-20 13:02:57,896 INFO  L268        CegarLoopResult]: For program point  L755-1(line 755)  no Hoare annotation was computed.
[2020-07-20 13:02:57,896 INFO  L264        CegarLoopResult]: At program point  L771(line 771)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)))))
[2020-07-20 13:02:57,896 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 793 804)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (<= 1 ~pumpRunning~0)))
[2020-07-20 13:02:57,897 INFO  L268        CegarLoopResult]: For program point  L797-1(lines 793 804)  no Hoare annotation was computed.
[2020-07-20 13:02:57,897 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 793 804)  no Hoare annotation was computed.
[2020-07-20 13:02:57,897 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 168 174)  no Hoare annotation was computed.
[2020-07-20 13:02:57,897 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 168 174)  the Hoare annotation is:  true
[2020-07-20 13:02:57,897 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,897 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 13:02:57,897 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 13:02:57,898 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 13:02:57,898 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 371 378)  no Hoare annotation was computed.
[2020-07-20 13:02:57,898 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 371 378)  the Hoare annotation is:  (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1)))
[2020-07-20 13:02:57,898 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 371 378)  no Hoare annotation was computed.
[2020-07-20 13:02:57,898 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 805 816)  no Hoare annotation was computed.
[2020-07-20 13:02:57,898 INFO  L268        CegarLoopResult]: For program point  L809-1(lines 805 816)  no Hoare annotation was computed.
[2020-07-20 13:02:57,898 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 805 816)  the Hoare annotation is:  (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:02:57,899 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 782 789)  no Hoare annotation was computed.
[2020-07-20 13:02:57,899 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786)  no Hoare annotation was computed.
[2020-07-20 13:02:57,899 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 782 789)  the Hoare annotation is:  true
[2020-07-20 13:02:57,899 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 782 789)  no Hoare annotation was computed.
[2020-07-20 13:02:57,916 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:57 BoogieIcfgContainer
[2020-07-20 13:02:57,917 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:02:57,919 INFO  L168              Benchmark]: Toolchain (without parser) took 10844.04 ms. Allocated memory was 137.4 MB in the beginning and 318.8 MB in the end (delta: 181.4 MB). Free memory was 100.7 MB in the beginning and 258.0 MB in the end (delta: -157.3 MB). Peak memory consumption was 196.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,920 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,921 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 637.62 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 171.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,922 INFO  L168              Benchmark]: Boogie Preprocessor took 92.70 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,923 INFO  L168              Benchmark]: RCFGBuilder took 1161.10 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 199.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,923 INFO  L168              Benchmark]: TraceAbstraction took 8946.22 ms. Allocated memory was 232.8 MB in the beginning and 318.8 MB in the end (delta: 86.0 MB). Free memory was 199.3 MB in the beginning and 258.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 199.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:02:57,928 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 637.62 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 171.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 92.70 ms. Allocated memory is still 201.3 MB. Free memory was 171.7 MB in the beginning and 167.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1161.10 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 167.2 MB in the beginning and 199.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 8946.22 ms. Allocated memory was 232.8 MB in the beginning and 318.8 MB in the end (delta: 86.0 MB). Free memory was 199.3 MB in the beginning and 258.0 MB in the end (delta: -58.7 MB). Peak memory consumption was 199.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 54]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 123]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 55]: Loop Invariant
    Derived loop invariant: (((!(\old(waterLevel) <= 1) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((splverifierCounter <= 0 && 1 <= systemActive) && 1 <= pumpRunning)) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 113]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1100 SDtfs, 391 SDslu, 2082 SDs, 0 SdLazy, 450 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 504 PreInvPairs, 541 NumberOfFragments, 883 HoareAnnotationTreeSize, 504 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1701 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 562 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 64103 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5479 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...