/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_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 16:26:05,600 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:26:05,602 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:26:05,614 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:26:05,615 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:26:05,616 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:26:05,617 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:26:05,619 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:26:05,621 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:26:05,622 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:26:05,623 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:26:05,624 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:26:05,625 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:26:05,626 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:26:05,627 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:26:05,628 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:26:05,629 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:26:05,630 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:26:05,632 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:26:05,635 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:26:05,636 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:26:05,638 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:26:05,639 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:26:05,640 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:26:05,643 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:26:05,643 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:26:05,643 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:26:05,644 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:26:05,645 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:26:05,646 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:26:05,646 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:26:05,647 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:26:05,648 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:26:05,649 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:26:05,650 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:26:05,650 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:26:05,651 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:26:05,651 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:26:05,651 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:26:05,652 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:26:05,653 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:26:05,654 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 16:26:05,669 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 16:26:05,669 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:26:05,670 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:26:05,671 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 16:26:05,671 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 16:26:05,671 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:26:05,671 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 16:26:05,672 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 16:26:05,672 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 16:26:05,672 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 16:26:05,672 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:26:05,672 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:26:05,673 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:26:05,673 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 16:26:05,673 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 16:26:05,673 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 16:26:05,673 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:26:05,674 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:26:05,674 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 16:26:05,674 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 16:26:05,674 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 16:26:05,674 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:26:05,675 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:26:05,675 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:26:05,675 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:26:05,675 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 16:26:05,675 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:05,676 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:26:05,676 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 16:26:05,676 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_VARIABLES
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 16:26:05,956 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:26:05,976 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:26:05,981 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:26:05,982 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 16:26:05,983 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 16:26:05,983 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c
[2020-07-20 16:26:06,063 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715/FLAGfade91929
[2020-07-20 16:26:06,606 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 16:26:06,607 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c
[2020-07-20 16:26:06,619 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715/FLAGfade91929
[2020-07-20 16:26:06,917 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc912b51a/31fe0708b86740369b7391417e2c1715
[2020-07-20 16:26:06,925 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:26:06,928 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:26:06,929 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:26:06,929 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:26:06,933 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:26:06,934 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:06" (1/1) ...
[2020-07-20 16:26:06,937 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46df0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:06, skipping insertion in model container
[2020-07-20 16:26:06,937 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:06" (1/1) ...
[2020-07-20 16:26:06,945 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 16:26:07,006 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:26:07,365 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:26:07,497 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 16:26:07,591 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:26:07,623 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 16:26:07,623 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07 WrapperNode
[2020-07-20 16:26:07,623 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:26:07,624 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:26:07,624 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:26:07,624 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:26:07,637 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,637 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,657 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,657 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,700 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,715 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,728 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (1/1) ...
[2020-07-20 16:26:07,741 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:26:07,742 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:26:07,742 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:26:07,742 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:26:07,747 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (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 16:26:07,825 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:26:07,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:26:07,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:26:07,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:26:07,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:26:07,826 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:26:07,827 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 16:26:07,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:26:07,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:26:07,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:26:07,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:26:07,828 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:26:07,829 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:26:07,830 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:26:07,831 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:26:07,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 16:26:07,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 16:26:07,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 16:26:07,832 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 16:26:07,832 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:26:07,832 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:26:07,832 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:26:07,833 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:26:07,834 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:26:07,835 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:26:07,836 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 16:26:07,837 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:26:07,838 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:26:07,839 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:26:07,840 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:26:07,840 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:26:07,840 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:26:07,840 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:26:07,840 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:26:08,894 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:26:08,894 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:26:08,903 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:08 BoogieIcfgContainer
[2020-07-20 16:26:08,904 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:26:08,906 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:26:08,906 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:26:08,909 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:26:08,909 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:06" (1/3) ...
[2020-07-20 16:26:08,910 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db43d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:08, skipping insertion in model container
[2020-07-20 16:26:08,910 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:07" (2/3) ...
[2020-07-20 16:26:08,911 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db43d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:08, skipping insertion in model container
[2020-07-20 16:26:08,911 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:08" (3/3) ...
[2020-07-20 16:26:08,912 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c
[2020-07-20 16:26:08,921 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:26:08,928 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:26:08,939 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:26:08,959 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:26:08,960 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 16:26:08,960 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:26:08,960 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:26:08,960 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:26:08,960 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 16:26:08,960 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:26:08,960 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:26:08,982 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states.
[2020-07-20 16:26:08,992 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 16:26:08,992 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:08,993 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:08,994 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:09,000 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:09,001 INFO  L82        PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times
[2020-07-20 16:26:09,010 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:09,011 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862776721]
[2020-07-20 16:26:09,011 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 16:26:09,581 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:09,581 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:09,591 INFO  L263         TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:26:09,602 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:09,637 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 16:26:09,637 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:09,639 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862776721]
[2020-07-20 16:26:09,640 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:09,640 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:26:09,641 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251633972]
[2020-07-20 16:26:09,647 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:26:09,648 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:09,663 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:26:09,664 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:26:09,666 INFO  L87              Difference]: Start difference. First operand 158 states. Second operand 2 states.
[2020-07-20 16:26:09,708 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:09,709 INFO  L93              Difference]: Finished difference Result 226 states and 283 transitions.
[2020-07-20 16:26:09,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 16:26:09,710 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 16:26:09,711 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:09,724 INFO  L225             Difference]: With dead ends: 226
[2020-07-20 16:26:09,724 INFO  L226             Difference]: Without dead ends: 115
[2020-07-20 16:26:09,729 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:26:09,748 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-07-20 16:26:09,778 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2020-07-20 16:26:09,779 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-07-20 16:26:09,782 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions.
[2020-07-20 16:26:09,784 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59
[2020-07-20 16:26:09,784 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:09,784 INFO  L479      AbstractCegarLoop]: Abstraction has 115 states and 135 transitions.
[2020-07-20 16:26:09,785 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:26:09,785 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions.
[2020-07-20 16:26:09,788 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 16:26:09,789 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:09,789 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:09,994 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:09,996 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:09,996 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:09,997 INFO  L82        PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times
[2020-07-20 16:26:09,997 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:09,998 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712103035]
[2020-07-20 16:26:09,998 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 16:26:10,519 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:10,519 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:10,525 INFO  L263         TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:26:10,530 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:10,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:10,569 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:10,569 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712103035]
[2020-07-20 16:26:10,570 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:10,570 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:10,570 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666842807]
[2020-07-20 16:26:10,572 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:10,572 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:10,573 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:10,573 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:10,573 INFO  L87              Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states.
[2020-07-20 16:26:10,594 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:10,595 INFO  L93              Difference]: Finished difference Result 202 states and 245 transitions.
[2020-07-20 16:26:10,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:10,595 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2020-07-20 16:26:10,596 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:10,598 INFO  L225             Difference]: With dead ends: 202
[2020-07-20 16:26:10,598 INFO  L226             Difference]: Without dead ends: 115
[2020-07-20 16:26:10,600 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 16:26:10,601 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2020-07-20 16:26:10,616 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2020-07-20 16:26:10,616 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 115 states.
[2020-07-20 16:26:10,621 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions.
[2020-07-20 16:26:10,621 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64
[2020-07-20 16:26:10,624 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:10,624 INFO  L479      AbstractCegarLoop]: Abstraction has 115 states and 134 transitions.
[2020-07-20 16:26:10,624 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:10,624 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions.
[2020-07-20 16:26:10,629 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-07-20 16:26:10,629 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:10,632 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:10,833 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:10,833 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:10,834 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:10,834 INFO  L82        PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times
[2020-07-20 16:26:10,835 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:10,836 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314564992]
[2020-07-20 16:26:10,836 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 16:26:11,253 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:11,253 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:11,259 INFO  L263         TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-20 16:26:11,264 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:11,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:11,307 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:11,308 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314564992]
[2020-07-20 16:26:11,308 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:11,308 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-07-20 16:26:11,309 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466282036]
[2020-07-20 16:26:11,309 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-07-20 16:26:11,309 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:11,310 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-07-20 16:26:11,310 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-07-20 16:26:11,310 INFO  L87              Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 7 states.
[2020-07-20 16:26:12,010 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:12,010 INFO  L93              Difference]: Finished difference Result 294 states and 382 transitions.
[2020-07-20 16:26:12,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-07-20 16:26:12,011 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 72
[2020-07-20 16:26:12,012 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:12,015 INFO  L225             Difference]: With dead ends: 294
[2020-07-20 16:26:12,016 INFO  L226             Difference]: Without dead ends: 207
[2020-07-20 16:26:12,017 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132
[2020-07-20 16:26:12,018 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2020-07-20 16:26:12,043 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 179.
[2020-07-20 16:26:12,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 179 states.
[2020-07-20 16:26:12,045 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 219 transitions.
[2020-07-20 16:26:12,045 INFO  L78                 Accepts]: Start accepts. Automaton has 179 states and 219 transitions. Word has length 72
[2020-07-20 16:26:12,045 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:12,046 INFO  L479      AbstractCegarLoop]: Abstraction has 179 states and 219 transitions.
[2020-07-20 16:26:12,046 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-07-20 16:26:12,046 INFO  L276                IsEmpty]: Start isEmpty. Operand 179 states and 219 transitions.
[2020-07-20 16:26:12,047 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2020-07-20 16:26:12,048 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:12,048 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:12,263 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:12,264 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:12,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:12,265 INFO  L82        PathProgramCache]: Analyzing trace with hash -363269934, now seen corresponding path program 1 times
[2020-07-20 16:26:12,265 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:12,266 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998168159]
[2020-07-20 16:26:12,266 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 16:26:12,695 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:12,695 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:12,701 INFO  L263         TraceCheckSpWp]: Trace formula consists of 714 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:26:12,705 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:12,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 16:26:12,727 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:12,727 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998168159]
[2020-07-20 16:26:12,727 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:12,727 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:12,728 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975328869]
[2020-07-20 16:26:12,728 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:12,728 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:12,729 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:12,729 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:12,729 INFO  L87              Difference]: Start difference. First operand 179 states and 219 transitions. Second operand 3 states.
[2020-07-20 16:26:12,742 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:12,742 INFO  L93              Difference]: Finished difference Result 276 states and 327 transitions.
[2020-07-20 16:26:12,743 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:12,743 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 83
[2020-07-20 16:26:12,743 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:12,746 INFO  L225             Difference]: With dead ends: 276
[2020-07-20 16:26:12,746 INFO  L226             Difference]: Without dead ends: 161
[2020-07-20 16:26:12,748 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 16:26:12,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 161 states.
[2020-07-20 16:26:12,764 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161.
[2020-07-20 16:26:12,765 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 161 states.
[2020-07-20 16:26:12,766 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 189 transitions.
[2020-07-20 16:26:12,766 INFO  L78                 Accepts]: Start accepts. Automaton has 161 states and 189 transitions. Word has length 83
[2020-07-20 16:26:12,767 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:12,767 INFO  L479      AbstractCegarLoop]: Abstraction has 161 states and 189 transitions.
[2020-07-20 16:26:12,767 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:12,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions.
[2020-07-20 16:26:12,768 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2020-07-20 16:26:12,769 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:12,769 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:12,982 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:12,983 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:12,984 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:12,984 INFO  L82        PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times
[2020-07-20 16:26:12,984 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:12,985 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568539542]
[2020-07-20 16:26:12,985 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 16:26:13,471 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:13,472 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:13,478 INFO  L263         TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 16:26:13,482 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:13,520 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:13,520 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:13,521 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568539542]
[2020-07-20 16:26:13,521 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:13,521 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:26:13,521 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785178759]
[2020-07-20 16:26:13,522 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:26:13,522 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:13,522 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:26:13,523 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:26:13,523 INFO  L87              Difference]: Start difference. First operand 161 states and 189 transitions. Second operand 6 states.
[2020-07-20 16:26:13,557 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:13,558 INFO  L93              Difference]: Finished difference Result 299 states and 360 transitions.
[2020-07-20 16:26:13,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 16:26:13,558 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 87
[2020-07-20 16:26:13,559 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:13,561 INFO  L225             Difference]: With dead ends: 299
[2020-07-20 16:26:13,561 INFO  L226             Difference]: Without dead ends: 166
[2020-07-20 16:26:13,562 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 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 16:26:13,563 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2020-07-20 16:26:13,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2020-07-20 16:26:13,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 166 states.
[2020-07-20 16:26:13,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 194 transitions.
[2020-07-20 16:26:13,580 INFO  L78                 Accepts]: Start accepts. Automaton has 166 states and 194 transitions. Word has length 87
[2020-07-20 16:26:13,581 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:13,581 INFO  L479      AbstractCegarLoop]: Abstraction has 166 states and 194 transitions.
[2020-07-20 16:26:13,581 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:26:13,581 INFO  L276                IsEmpty]: Start isEmpty. Operand 166 states and 194 transitions.
[2020-07-20 16:26:13,582 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2020-07-20 16:26:13,583 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:13,583 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:13,796 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:13,797 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:13,798 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:13,798 INFO  L82        PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times
[2020-07-20 16:26:13,798 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:13,799 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190759416]
[2020-07-20 16:26:13,799 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 16:26:13,942 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-20 16:26:13,942 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:13,944 INFO  L263         TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 16:26:13,946 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:13,976 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:13,976 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:13,977 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1190759416]
[2020-07-20 16:26:13,977 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:13,977 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 16:26:13,977 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872511524]
[2020-07-20 16:26:13,978 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 16:26:13,978 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:13,978 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 16:26:13,978 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 16:26:13,979 INFO  L87              Difference]: Start difference. First operand 166 states and 194 transitions. Second operand 5 states.
[2020-07-20 16:26:14,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:14,001 INFO  L93              Difference]: Finished difference Result 311 states and 377 transitions.
[2020-07-20 16:26:14,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 16:26:14,001 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 87
[2020-07-20 16:26:14,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:14,004 INFO  L225             Difference]: With dead ends: 311
[2020-07-20 16:26:14,004 INFO  L226             Difference]: Without dead ends: 173
[2020-07-20 16:26:14,005 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 16:26:14,006 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2020-07-20 16:26:14,020 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170.
[2020-07-20 16:26:14,021 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 170 states.
[2020-07-20 16:26:14,022 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 198 transitions.
[2020-07-20 16:26:14,022 INFO  L78                 Accepts]: Start accepts. Automaton has 170 states and 198 transitions. Word has length 87
[2020-07-20 16:26:14,023 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:14,023 INFO  L479      AbstractCegarLoop]: Abstraction has 170 states and 198 transitions.
[2020-07-20 16:26:14,023 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 16:26:14,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 170 states and 198 transitions.
[2020-07-20 16:26:14,025 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2020-07-20 16:26:14,025 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:14,025 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:14,240 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:14,241 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:14,242 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:14,242 INFO  L82        PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times
[2020-07-20 16:26:14,243 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:14,244 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002996771]
[2020-07-20 16:26:14,244 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 16:26:14,630 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:14,630 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:14,634 INFO  L263         TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 16:26:14,637 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:14,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:14,670 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:14,671 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002996771]
[2020-07-20 16:26:14,671 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:14,671 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:14,671 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733353885]
[2020-07-20 16:26:14,672 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:14,672 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:14,673 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:14,673 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:14,673 INFO  L87              Difference]: Start difference. First operand 170 states and 198 transitions. Second operand 3 states.
[2020-07-20 16:26:14,711 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:14,712 INFO  L93              Difference]: Finished difference Result 428 states and 532 transitions.
[2020-07-20 16:26:14,713 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:14,714 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 87
[2020-07-20 16:26:14,714 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:14,719 INFO  L225             Difference]: With dead ends: 428
[2020-07-20 16:26:14,719 INFO  L226             Difference]: Without dead ends: 286
[2020-07-20 16:26:14,723 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:14,724 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 286 states.
[2020-07-20 16:26:14,759 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283.
[2020-07-20 16:26:14,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 283 states.
[2020-07-20 16:26:14,766 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 342 transitions.
[2020-07-20 16:26:14,766 INFO  L78                 Accepts]: Start accepts. Automaton has 283 states and 342 transitions. Word has length 87
[2020-07-20 16:26:14,767 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:14,767 INFO  L479      AbstractCegarLoop]: Abstraction has 283 states and 342 transitions.
[2020-07-20 16:26:14,767 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:14,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 283 states and 342 transitions.
[2020-07-20 16:26:14,770 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2020-07-20 16:26:14,771 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:14,771 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:14,981 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:14,982 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:14,983 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:14,983 INFO  L82        PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times
[2020-07-20 16:26:14,983 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:14,984 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [737268112]
[2020-07-20 16:26:14,984 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 16:26:15,302 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:15,303 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:15,307 INFO  L263         TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 16:26:15,310 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:15,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:15,420 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:15,420 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [737268112]
[2020-07-20 16:26:15,420 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:15,420 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 16:26:15,421 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260097312]
[2020-07-20 16:26:15,422 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 16:26:15,422 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:15,422 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 16:26:15,424 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 16:26:15,424 INFO  L87              Difference]: Start difference. First operand 283 states and 342 transitions. Second operand 10 states.
[2020-07-20 16:26:16,653 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:16,653 INFO  L93              Difference]: Finished difference Result 749 states and 1033 transitions.
[2020-07-20 16:26:16,654 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 16:26:16,654 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 91
[2020-07-20 16:26:16,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:16,661 INFO  L225             Difference]: With dead ends: 749
[2020-07-20 16:26:16,661 INFO  L226             Difference]: Without dead ends: 494
[2020-07-20 16:26:16,663 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2020-07-20 16:26:16,664 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 494 states.
[2020-07-20 16:26:16,693 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 365.
[2020-07-20 16:26:16,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 365 states.
[2020-07-20 16:26:16,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 445 transitions.
[2020-07-20 16:26:16,696 INFO  L78                 Accepts]: Start accepts. Automaton has 365 states and 445 transitions. Word has length 91
[2020-07-20 16:26:16,696 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:16,697 INFO  L479      AbstractCegarLoop]: Abstraction has 365 states and 445 transitions.
[2020-07-20 16:26:16,697 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 16:26:16,697 INFO  L276                IsEmpty]: Start isEmpty. Operand 365 states and 445 transitions.
[2020-07-20 16:26:16,699 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2020-07-20 16:26:16,699 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:16,699 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:16,912 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:16,912 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:16,913 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:16,913 INFO  L82        PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times
[2020-07-20 16:26:16,913 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:16,914 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686974415]
[2020-07-20 16:26:16,914 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:17,316 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:17,317 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:17,323 INFO  L263         TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:26:17,327 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:17,456 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:17,456 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 16:26:17,795 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-07-20 16:26:17,796 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686974415]
[2020-07-20 16:26:17,796 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 16:26:17,796 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 16:26:17,797 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157699272]
[2020-07-20 16:26:17,797 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 16:26:17,799 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:17,799 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 16:26:17,799 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 16:26:17,799 INFO  L87              Difference]: Start difference. First operand 365 states and 445 transitions. Second operand 10 states.
[2020-07-20 16:26:18,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:18,365 INFO  L93              Difference]: Finished difference Result 739 states and 915 transitions.
[2020-07-20 16:26:18,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2020-07-20 16:26:18,366 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 134
[2020-07-20 16:26:18,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:18,366 INFO  L225             Difference]: With dead ends: 739
[2020-07-20 16:26:18,367 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 16:26:18,369 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 255 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2020-07-20 16:26:18,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 16:26:18,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 16:26:18,370 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 16:26:18,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 16:26:18,372 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134
[2020-07-20 16:26:18,372 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:18,372 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 16:26:18,372 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 16:26:18,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 16:26:18,373 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 16:26:18,582 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:18,584 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 16:26:19,724 WARN  L193               SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 16:26:19,957 WARN  L193               SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36
[2020-07-20 16:26:20,322 WARN  L193               SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41
[2020-07-20 16:26:20,601 WARN  L193               SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31
[2020-07-20 16:26:21,373 WARN  L193               SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36
[2020-07-20 16:26:21,713 WARN  L193               SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40
[2020-07-20 16:26:21,894 INFO  L268        CegarLoopResult]: For program point  L123(lines 123 127)  no Hoare annotation was computed.
[2020-07-20 16:26:21,894 INFO  L268        CegarLoopResult]: For program point  L123-1(lines 123 127)  no Hoare annotation was computed.
[2020-07-20 16:26:21,894 INFO  L268        CegarLoopResult]: For program point  L118(line 118)  no Hoare annotation was computed.
[2020-07-20 16:26:21,894 INFO  L268        CegarLoopResult]: For program point  L117-2(lines 117 138)  no Hoare annotation was computed.
[2020-07-20 16:26:21,894 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  L139(lines 116 140)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 92 147)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  L193(line 193)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  L193-1(line 193)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  L180(lines 180 184)  no Hoare annotation was computed.
[2020-07-20 16:26:21,895 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 180 184)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  L175(line 175)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  L174-2(lines 174 199)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 148 207)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  L200(lines 173 201)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 661 667)  the Hoare annotation is:  true
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 661 667)  no Hoare annotation was computed.
[2020-07-20 16:26:21,896 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 668 676)  no Hoare annotation was computed.
[2020-07-20 16:26:21,897 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 668 676)  the Hoare annotation is:  true
[2020-07-20 16:26:21,897 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 668 676)  no Hoare annotation was computed.
[2020-07-20 16:26:21,897 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 881 888)  the Hoare annotation is:  true
[2020-07-20 16:26:21,897 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 881 888)  no Hoare annotation was computed.
[2020-07-20 16:26:21,897 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 881 888)  no Hoare annotation was computed.
[2020-07-20 16:26:21,897 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 889 898)  the Hoare annotation is:  (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0)))
[2020-07-20 16:26:21,898 INFO  L268        CegarLoopResult]: For program point  L894(line 894)  no Hoare annotation was computed.
[2020-07-20 16:26:21,898 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 889 898)  no Hoare annotation was computed.
[2020-07-20 16:26:21,898 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 889 898)  no Hoare annotation was computed.
[2020-07-20 16:26:21,898 INFO  L264        CegarLoopResult]: At program point  L914(line 914)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-20 16:26:21,898 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 899 927)  the Hoare annotation is:  true
[2020-07-20 16:26:21,898 INFO  L268        CegarLoopResult]: For program point  L912(lines 912 918)  no Hoare annotation was computed.
[2020-07-20 16:26:21,898 INFO  L268        CegarLoopResult]: For program point  L911(lines 911 921)  no Hoare annotation was computed.
[2020-07-20 16:26:21,899 INFO  L264        CegarLoopResult]: At program point  L909(line 909)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 16:26:21,899 INFO  L268        CegarLoopResult]: For program point  L909-1(line 909)  no Hoare annotation was computed.
[2020-07-20 16:26:21,899 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 899 927)  no Hoare annotation was computed.
[2020-07-20 16:26:21,899 INFO  L268        CegarLoopResult]: For program point  L907(lines 907 924)  no Hoare annotation was computed.
[2020-07-20 16:26:21,899 INFO  L268        CegarLoopResult]: For program point  L907-1(lines 899 927)  no Hoare annotation was computed.
[2020-07-20 16:26:21,899 INFO  L271        CegarLoopResult]: At program point  L905(line 905)  the Hoare annotation is:  true
[2020-07-20 16:26:21,899 INFO  L268        CegarLoopResult]: For program point  L905-1(line 905)  no Hoare annotation was computed.
[2020-07-20 16:26:21,900 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 752 774)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,900 INFO  L264        CegarLoopResult]: At program point  L764(line 764)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,900 INFO  L264        CegarLoopResult]: At program point  L764-1(line 764)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,900 INFO  L268        CegarLoopResult]: For program point  L762(lines 762 769)  no Hoare annotation was computed.
[2020-07-20 16:26:21,900 INFO  L268        CegarLoopResult]: For program point  L762-1(lines 762 769)  no Hoare annotation was computed.
[2020-07-20 16:26:21,900 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 752 774)  no Hoare annotation was computed.
[2020-07-20 16:26:21,901 INFO  L268        CegarLoopResult]: For program point  L760(line 760)  no Hoare annotation was computed.
[2020-07-20 16:26:21,901 INFO  L264        CegarLoopResult]: At program point  L759(line 759)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,901 INFO  L264        CegarLoopResult]: At program point  L758(line 758)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,901 INFO  L264        CegarLoopResult]: At program point  L758-1(line 758)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,901 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 752 774)  no Hoare annotation was computed.
[2020-07-20 16:26:21,901 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 709 732)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 709 732)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 709 732)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  L727(line 727)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  L726(line 726)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  L725(line 725)  no Hoare annotation was computed.
[2020-07-20 16:26:21,902 INFO  L268        CegarLoopResult]: For program point  L724(line 724)  no Hoare annotation was computed.
[2020-07-20 16:26:21,903 INFO  L268        CegarLoopResult]: For program point  L723(line 723)  no Hoare annotation was computed.
[2020-07-20 16:26:21,903 INFO  L268        CegarLoopResult]: For program point  L722(line 722)  no Hoare annotation was computed.
[2020-07-20 16:26:21,903 INFO  L268        CegarLoopResult]: For program point  L721(line 721)  no Hoare annotation was computed.
[2020-07-20 16:26:21,903 INFO  L268        CegarLoopResult]: For program point  L720(line 720)  no Hoare annotation was computed.
[2020-07-20 16:26:21,921 INFO  L268        CegarLoopResult]: For program point  L719(line 719)  no Hoare annotation was computed.
[2020-07-20 16:26:21,921 INFO  L268        CegarLoopResult]: For program point  L718(line 718)  no Hoare annotation was computed.
[2020-07-20 16:26:21,921 INFO  L268        CegarLoopResult]: For program point  L717(line 717)  no Hoare annotation was computed.
[2020-07-20 16:26:21,921 INFO  L268        CegarLoopResult]: For program point  L716(line 716)  no Hoare annotation was computed.
[2020-07-20 16:26:21,921 INFO  L268        CegarLoopResult]: For program point  L715(line 715)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L714(line 714)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 575 583)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 575 583)  the Hoare annotation is:  true
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 575 583)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L603(lines 603 611)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L603-2(lines 603 611)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L591(lines 591 599)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 584 619)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L591-2(lines 591 599)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 584 619)  no Hoare annotation was computed.
[2020-07-20 16:26:21,922 INFO  L268        CegarLoopResult]: For program point  L614(line 614)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  L614-1(line 614)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 584 619)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 654 660)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 654 660)  the Hoare annotation is:  true
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 46 91)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  L379(lines 379 386)  no Hoare annotation was computed.
[2020-07-20 16:26:21,923 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L268        CegarLoopResult]: For program point  L373(lines 373 393)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L268        CegarLoopResult]: For program point  L373-1(lines 373 393)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 359 404)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 741 751)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,924 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 741 751)  no Hoare annotation was computed.
[2020-07-20 16:26:21,924 INFO  L264        CegarLoopResult]: At program point  L746(line 746)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 741 751)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmENTRY(lines 564 574)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 564 574)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  L569(line 569)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  L569-1(line 569)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 564 574)  no Hoare annotation was computed.
[2020-07-20 16:26:21,925 INFO  L268        CegarLoopResult]: For program point  deactivatePumpENTRY(lines 556 563)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 556 563)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 556 563)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 865 878)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L268        CegarLoopResult]: For program point  L869(lines 869 875)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 865 878)  the Hoare annotation is:  true
[2020-07-20 16:26:21,926 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 865 878)  no Hoare annotation was computed.
[2020-07-20 16:26:21,926 INFO  L264        CegarLoopResult]: At program point  L542(line 542)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:21,927 INFO  L268        CegarLoopResult]: For program point  L542-1(lines 523 547)  no Hoare annotation was computed.
[2020-07-20 16:26:21,927 INFO  L264        CegarLoopResult]: At program point  L537(line 537)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:21,927 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 523 547)  no Hoare annotation was computed.
[2020-07-20 16:26:21,927 INFO  L264        CegarLoopResult]: At program point  L533(line 533)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:21,927 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 523 547)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 16:26:21,927 INFO  L268        CegarLoopResult]: For program point  L531(lines 531 539)  no Hoare annotation was computed.
[2020-07-20 16:26:21,928 INFO  L264        CegarLoopResult]: At program point  L529(line 529)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 16:26:21,928 INFO  L268        CegarLoopResult]: For program point  L529-1(line 529)  no Hoare annotation was computed.
[2020-07-20 16:26:21,928 INFO  L268        CegarLoopResult]: For program point  L527(lines 527 544)  no Hoare annotation was computed.
[2020-07-20 16:26:21,928 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 515 521)  no Hoare annotation was computed.
[2020-07-20 16:26:21,928 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 515 521)  the Hoare annotation is:  true
[2020-07-20 16:26:21,928 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 410 473)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 16:26:21,929 INFO  L264        CegarLoopResult]: At program point  L442(line 442)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 16:26:21,929 INFO  L268        CegarLoopResult]: For program point  L440(lines 440 446)  no Hoare annotation was computed.
[2020-07-20 16:26:21,929 INFO  L268        CegarLoopResult]: For program point  L440-1(lines 440 446)  no Hoare annotation was computed.
[2020-07-20 16:26:21,929 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 410 473)  no Hoare annotation was computed.
[2020-07-20 16:26:21,929 INFO  L264        CegarLoopResult]: At program point  L432(line 432)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 16:26:21,929 INFO  L264        CegarLoopResult]: At program point  L463(lines 420 465)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 16:26:21,929 INFO  L268        CegarLoopResult]: For program point  L430(lines 430 436)  no Hoare annotation was computed.
[2020-07-20 16:26:21,930 INFO  L268        CegarLoopResult]: For program point  L430-1(lines 430 436)  no Hoare annotation was computed.
[2020-07-20 16:26:21,930 INFO  L268        CegarLoopResult]: For program point  L422(lines 422 426)  no Hoare annotation was computed.
[2020-07-20 16:26:21,930 INFO  L264        CegarLoopResult]: At program point  L466(lines 419 467)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)))
[2020-07-20 16:26:21,930 INFO  L268        CegarLoopResult]: For program point  L456(lines 456 460)  no Hoare annotation was computed.
[2020-07-20 16:26:21,930 INFO  L264        CegarLoopResult]: At program point  L456-2(lines 450 461)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 16:26:21,930 INFO  L268        CegarLoopResult]: For program point  L421(lines 420 465)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 410 473)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  L450(lines 450 461)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 313 358)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  L333(lines 333 340)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  L327(lines 327 347)  no Hoare annotation was computed.
[2020-07-20 16:26:21,931 INFO  L268        CegarLoopResult]: For program point  L327-1(lines 327 347)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  L841(lines 841 849)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 833 855)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  L841-2(lines 841 849)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 833 855)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 833 855)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  L256(lines 256 297)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  L275(line 275)  no Hoare annotation was computed.
[2020-07-20 16:26:21,932 INFO  L268        CegarLoopResult]: For program point  L275-1(line 275)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L234(lines 234 238)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L298(lines 298 309)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L261(lines 261 265)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L259-2(lines 259 279)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L280(lines 258 281)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 210 312)  no Hoare annotation was computed.
[2020-07-20 16:26:21,933 INFO  L268        CegarLoopResult]: For program point  L239(lines 239 255)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  L299(lines 299 306)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  L260(lines 259 279)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  L291(line 291)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  L291-1(line 291)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 644 653)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 644 653)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 644 653)  no Hoare annotation was computed.
[2020-07-20 16:26:21,934 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,935 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))
[2020-07-20 16:26:21,935 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,935 INFO  L268        CegarLoopResult]: For program point  activatePumpFINAL(lines 548 555)  no Hoare annotation was computed.
[2020-07-20 16:26:21,935 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 548 555)  no Hoare annotation was computed.
[2020-07-20 16:26:21,935 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 548 555)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 16:26:21,935 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 620 638)  no Hoare annotation was computed.
[2020-07-20 16:26:21,935 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 620 638)  the Hoare annotation is:  true
[2020-07-20 16:26:21,935 INFO  L268        CegarLoopResult]: For program point  L629(lines 629 633)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 620 638)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L271        CegarLoopResult]: At program point  L627(line 627)  the Hoare annotation is:  true
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  L629-2(lines 629 633)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  L627-1(line 627)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 856 864)  the Hoare annotation is:  true
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 856 864)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 856 864)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,936 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,937 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,937 INFO  L268        CegarLoopResult]: For program point  L816-1(lines 812 823)  no Hoare annotation was computed.
[2020-07-20 16:26:21,937 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 812 823)  the Hoare annotation is:  true
[2020-07-20 16:26:21,937 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 812 823)  no Hoare annotation was computed.
[2020-07-20 16:26:21,937 INFO  L264        CegarLoopResult]: At program point  L504(line 504)  the Hoare annotation is:  (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse2))))
[2020-07-20 16:26:21,937 INFO  L264        CegarLoopResult]: At program point  L502(lines 502 508)  the Hoare annotation is:  (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= 1 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) .cse5)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) (and .cse2 .cse4 .cse5) .cse6 .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse4 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse8 .cse9 .cse6) (or .cse0 .cse8 .cse9 .cse6 .cse7))))
[2020-07-20 16:26:21,938 INFO  L264        CegarLoopResult]: At program point  L497(line 497)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 16:26:21,938 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 488 514)  the Hoare annotation is:  (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4)))
[2020-07-20 16:26:21,938 INFO  L268        CegarLoopResult]: For program point  L495(lines 491 513)  no Hoare annotation was computed.
[2020-07-20 16:26:21,938 INFO  L268        CegarLoopResult]: For program point  L493(lines 491 513)  no Hoare annotation was computed.
[2020-07-20 16:26:21,938 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 488 514)  no Hoare annotation was computed.
[2020-07-20 16:26:21,938 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 488 514)  no Hoare annotation was computed.
[2020-07-20 16:26:21,939 INFO  L271        CegarLoopResult]: At program point  L704(lines 679 708)  the Hoare annotation is:  true
[2020-07-20 16:26:21,939 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 679 708)  no Hoare annotation was computed.
[2020-07-20 16:26:21,939 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 679 708)  the Hoare annotation is:  true
[2020-07-20 16:26:21,939 INFO  L268        CegarLoopResult]: For program point  L700(line 700)  no Hoare annotation was computed.
[2020-07-20 16:26:21,939 INFO  L268        CegarLoopResult]: For program point  L693(lines 693 697)  no Hoare annotation was computed.
[2020-07-20 16:26:21,939 INFO  L271        CegarLoopResult]: At program point  L693-1(lines 693 697)  the Hoare annotation is:  true
[2020-07-20 16:26:21,939 INFO  L268        CegarLoopResult]: For program point  L690(line 690)  no Hoare annotation was computed.
[2020-07-20 16:26:21,939 INFO  L271        CegarLoopResult]: At program point  L689-2(lines 689 703)  the Hoare annotation is:  true
[2020-07-20 16:26:21,940 INFO  L271        CegarLoopResult]: At program point  L685(line 685)  the Hoare annotation is:  true
[2020-07-20 16:26:21,940 INFO  L268        CegarLoopResult]: For program point  L685-1(line 685)  no Hoare annotation was computed.
[2020-07-20 16:26:21,940 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalENTRY(lines 824 832)  no Hoare annotation was computed.
[2020-07-20 16:26:21,940 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 824 832)  no Hoare annotation was computed.
[2020-07-20 16:26:21,940 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 824 832)  no Hoare annotation was computed.
[2020-07-20 16:26:21,940 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 788 799)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 16:26:21,940 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 788 799)  no Hoare annotation was computed.
[2020-07-20 16:26:21,941 INFO  L268        CegarLoopResult]: For program point  L792-1(lines 788 799)  no Hoare annotation was computed.
[2020-07-20 16:26:21,941 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 733 739)  no Hoare annotation was computed.
[2020-07-20 16:26:21,941 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 733 739)  the Hoare annotation is:  true
[2020-07-20 16:26:21,941 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,941 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 16:26:21,941 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 16:26:21,941 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:21,941 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 800 811)  no Hoare annotation was computed.
[2020-07-20 16:26:21,942 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 800 811)  the Hoare annotation is:  (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))
[2020-07-20 16:26:21,942 INFO  L268        CegarLoopResult]: For program point  L804-1(lines 800 811)  no Hoare annotation was computed.
[2020-07-20 16:26:21,942 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 776 783)  no Hoare annotation was computed.
[2020-07-20 16:26:21,942 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780)  no Hoare annotation was computed.
[2020-07-20 16:26:21,942 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 776 783)  the Hoare annotation is:  true
[2020-07-20 16:26:21,942 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 776 783)  no Hoare annotation was computed.
[2020-07-20 16:26:21,962 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:21 BoogieIcfgContainer
[2020-07-20 16:26:21,962 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:26:21,964 INFO  L168              Benchmark]: Toolchain (without parser) took 15037.33 ms. Allocated memory was 144.2 MB in the beginning and 380.6 MB in the end (delta: 236.5 MB). Free memory was 100.8 MB in the beginning and 340.0 MB in the end (delta: -239.2 MB). Peak memory consumption was 219.7 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:21,965 INFO  L168              Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 144.2 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 16:26:21,965 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 694.64 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:21,966 INFO  L168              Benchmark]: Boogie Preprocessor took 117.38 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:21,967 INFO  L168              Benchmark]: RCFGBuilder took 1161.99 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:21,968 INFO  L168              Benchmark]: TraceAbstraction took 13056.04 ms. Allocated memory was 233.8 MB in the beginning and 380.6 MB in the end (delta: 146.8 MB). Free memory was 199.0 MB in the beginning and 340.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:21,972 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.46 ms. Allocated memory is still 144.2 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 694.64 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 172.5 MB in the end (delta: -72.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 117.38 ms. Allocated memory is still 202.4 MB. Free memory was 172.5 MB in the beginning and 168.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1161.99 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 168.4 MB in the beginning and 199.0 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 13056.04 ms. Allocated memory was 233.8 MB in the beginning and 380.6 MB in the end (delta: 146.8 MB). Free memory was 199.0 MB in the beginning and 340.0 MB in the end (delta: -141.0 MB). Peak memory consumption was 228.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 780]: 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: 679]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 420]: Loop Invariant
    Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning)
  - InvariantResult [Line: 419]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive)
  - InvariantResult [Line: 689]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1296 SDtfs, 914 SDslu, 2221 SDs, 0 SdLazy, 1549 SolverSat, 402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 854 SyntacticMatches, 6 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 163 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 712 PreInvPairs, 771 NumberOfFragments, 1278 HoareAnnotationTreeSize, 712 FomulaSimplifications, 1208 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4739 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 764 NumberOfCodeBlocks, 644 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 888 ConstructedInterpolants, 0 QuantifiedInterpolants, 159678 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6219 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 82/100 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...