/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_product58.cil.c


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


This is Ultimate 0.1.25-d623d84
[2020-07-20 16:26:36,298 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-07-20 16:26:36,301 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 16:26:36,318 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 16:26:36,319 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 16:26:36,321 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 16:26:36,323 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 16:26:36,332 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 16:26:36,337 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 16:26:36,340 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 16:26:36,341 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 16:26:36,342 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 16:26:36,343 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 16:26:36,345 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 16:26:36,347 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 16:26:36,348 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 16:26:36,350 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 16:26:36,351 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 16:26:36,353 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 16:26:36,357 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 16:26:36,363 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 16:26:36,366 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 16:26:36,367 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 16:26:36,368 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 16:26:36,371 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 16:26:36,371 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 16:26:36,371 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 16:26:36,374 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 16:26:36,374 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 16:26:36,375 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 16:26:36,375 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 16:26:36,376 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 16:26:36,377 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 16:26:36,378 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 16:26:36,379 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 16:26:36,379 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 16:26:36,380 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 16:26:36,380 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 16:26:36,380 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 16:26:36,381 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 16:26:36,382 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 16:26:36,383 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 16:26:36,411 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-07-20 16:26:36,411 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 16:26:36,413 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 16:26:36,413 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-07-20 16:26:36,414 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-07-20 16:26:36,414 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 16:26:36,414 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-07-20 16:26:36,414 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-07-20 16:26:36,415 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-07-20 16:26:36,415 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-07-20 16:26:36,416 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 16:26:36,416 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 16:26:36,416 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 16:26:36,417 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-07-20 16:26:36,417 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-07-20 16:26:36,417 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-07-20 16:26:36,417 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-07-20 16:26:36,418 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 16:26:36,418 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-07-20 16:26:36,419 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-07-20 16:26:36,419 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-07-20 16:26:36,421 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 16:26:36,421 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 16:26:36,423 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 16:26:36,423 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 16:26:36,423 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-07-20 16:26:36,423 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:36,423 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 16:26:36,424 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-07-20 16:26:36,424 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 16:26:36,713 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 16:26:36,730 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 16:26:36,733 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 16:26:36,737 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-07-20 16:26:36,737 INFO  L275        PluginConnector]: CDTParser initialized
[2020-07-20 16:26:36,738 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c
[2020-07-20 16:26:36,811 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/716e2f6e7/9e2c838be519435a9c8f537d3706256c/FLAG37260918b
[2020-07-20 16:26:37,371 INFO  L306              CDTParser]: Found 1 translation units.
[2020-07-20 16:26:37,378 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c
[2020-07-20 16:26:37,401 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/716e2f6e7/9e2c838be519435a9c8f537d3706256c/FLAG37260918b
[2020-07-20 16:26:37,650 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/716e2f6e7/9e2c838be519435a9c8f537d3706256c
[2020-07-20 16:26:37,660 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 16:26:37,662 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 16:26:37,663 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 16:26:37,664 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 16:26:37,667 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 16:26:37,667 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:37" (1/1) ...
[2020-07-20 16:26:37,670 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2195b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:37, skipping insertion in model container
[2020-07-20 16:26:37,670 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:37" (1/1) ...
[2020-07-20 16:26:37,676 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-07-20 16:26:37,720 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-07-20 16:26:38,197 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:26:38,210 INFO  L203         MainTranslator]: Completed pre-run
[2020-07-20 16:26:38,298 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-07-20 16:26:38,343 INFO  L208         MainTranslator]: Completed translation
[2020-07-20 16:26:38,344 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38 WrapperNode
[2020-07-20 16:26:38,344 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 16:26:38,344 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 16:26:38,344 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 16:26:38,345 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 16:26:38,356 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,357 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,376 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,377 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,424 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,445 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,450 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (1/1) ...
[2020-07-20 16:26:38,478 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 16:26:38,478 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 16:26:38,479 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 16:26:38,479 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-07-20 16:26:38,480 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (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 16:26:38,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 16:26:38,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 16:26:38,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:26:38,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 16:26:38,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 16:26:38,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 16:26:38,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 16:26:38,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 16:26:38,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 16:26:38,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 16:26:38,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-07-20 16:26:38,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 16:26:38,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 16:26:38,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 16:26:38,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 16:26:38,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 16:26:38,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:26:38,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 16:26:38,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 16:26:38,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 16:26:38,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 16:26:38,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 16:26:38,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 16:26:38,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 16:26:38,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 16:26:38,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 16:26:38,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 16:26:38,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 16:26:38,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 16:26:38,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 16:26:38,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure startSystem
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 16:26:38,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 16:26:38,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 16:26:38,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 16:26:38,558 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 16:26:38,558 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 16:26:38,558 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 16:26:38,558 INFO  L130     BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 16:26:38,559 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-07-20 16:26:38,560 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 16:26:38,560 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 16:26:38,560 INFO  L130     BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 16:26:38,560 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 16:26:38,560 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 16:26:38,561 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 16:26:38,562 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 16:26:38,563 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 16:26:38,564 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure startSystem
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 16:26:38,565 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 16:26:38,566 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 16:26:38,566 INFO  L130     BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 16:26:38,566 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2020-07-20 16:26:38,566 INFO  L130     BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-07-20 16:26:38,566 INFO  L130     BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor
[2020-07-20 16:26:38,567 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 16:26:38,567 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 16:26:38,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 16:26:38,567 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 16:26:38,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 16:26:39,782 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 16:26:39,782 INFO  L295             CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 16:26:39,788 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:39 BoogieIcfgContainer
[2020-07-20 16:26:39,788 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 16:26:39,789 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 16:26:39,789 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 16:26:39,793 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-07-20 16:26:39,793 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:37" (1/3) ...
[2020-07-20 16:26:39,794 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fcbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:39, skipping insertion in model container
[2020-07-20 16:26:39,794 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:38" (2/3) ...
[2020-07-20 16:26:39,795 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fcbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:39, skipping insertion in model container
[2020-07-20 16:26:39,795 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:39" (3/3) ...
[2020-07-20 16:26:39,797 INFO  L109   eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c
[2020-07-20 16:26:39,807 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 16:26:39,816 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 16:26:39,830 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 16:26:39,854 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-07-20 16:26:39,854 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-07-20 16:26:39,854 INFO  L377      AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 16:26:39,854 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 16:26:39,855 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 16:26:39,855 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-07-20 16:26:39,855 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 16:26:39,855 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 16:26:39,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 200 states.
[2020-07-20 16:26:39,890 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 16:26:39,890 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:39,892 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 16:26:39,892 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:39,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:39,899 INFO  L82        PathProgramCache]: Analyzing trace with hash -229262266, now seen corresponding path program 1 times
[2020-07-20 16:26:39,908 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:39,909 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840552515]
[2020-07-20 16:26:39,909 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 16:26:40,469 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:40,470 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:40,477 INFO  L263         TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 16:26:40,485 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:40,514 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 16:26:40,514 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:40,516 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840552515]
[2020-07-20 16:26:40,516 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:40,516 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 16:26:40,517 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500870217]
[2020-07-20 16:26:40,522 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 16:26:40,522 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:40,536 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 16:26:40,537 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 16:26:40,539 INFO  L87              Difference]: Start difference. First operand 200 states. Second operand 2 states.
[2020-07-20 16:26:40,586 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:40,587 INFO  L93              Difference]: Finished difference Result 310 states and 377 transitions.
[2020-07-20 16:26:40,587 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2020-07-20 16:26:40,588 INFO  L78                 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 16:26:40,589 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:40,604 INFO  L225             Difference]: With dead ends: 310
[2020-07-20 16:26:40,604 INFO  L226             Difference]: Without dead ends: 157
[2020-07-20 16:26:40,610 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 16:26:40,629 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2020-07-20 16:26:40,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157.
[2020-07-20 16:26:40,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 157 states.
[2020-07-20 16:26:40,672 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions.
[2020-07-20 16:26:40,674 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59
[2020-07-20 16:26:40,675 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:40,675 INFO  L479      AbstractCegarLoop]: Abstraction has 157 states and 182 transitions.
[2020-07-20 16:26:40,675 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 16:26:40,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions.
[2020-07-20 16:26:40,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2020-07-20 16:26:40,680 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:40,680 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:40,893 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:40,894 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:40,895 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:40,895 INFO  L82        PathProgramCache]: Analyzing trace with hash -751857026, now seen corresponding path program 1 times
[2020-07-20 16:26:40,896 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:40,896 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440741172]
[2020-07-20 16:26:40,897 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 16:26:41,374 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:41,374 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:41,380 INFO  L263         TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 16:26:41,384 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:41,422 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 16:26:41,422 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:41,422 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440741172]
[2020-07-20 16:26:41,422 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:41,423 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:41,423 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929688609]
[2020-07-20 16:26:41,425 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:41,425 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:41,425 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:41,425 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:41,426 INFO  L87              Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 3 states.
[2020-07-20 16:26:41,455 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:41,455 INFO  L93              Difference]: Finished difference Result 255 states and 295 transitions.
[2020-07-20 16:26:41,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:41,456 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2020-07-20 16:26:41,456 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:41,459 INFO  L225             Difference]: With dead ends: 255
[2020-07-20 16:26:41,459 INFO  L226             Difference]: Without dead ends: 148
[2020-07-20 16:26:41,461 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:41,462 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2020-07-20 16:26:41,475 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148.
[2020-07-20 16:26:41,476 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 148 states.
[2020-07-20 16:26:41,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 170 transitions.
[2020-07-20 16:26:41,478 INFO  L78                 Accepts]: Start accepts. Automaton has 148 states and 170 transitions. Word has length 60
[2020-07-20 16:26:41,478 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:41,479 INFO  L479      AbstractCegarLoop]: Abstraction has 148 states and 170 transitions.
[2020-07-20 16:26:41,479 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:41,479 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 170 transitions.
[2020-07-20 16:26:41,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-07-20 16:26:41,481 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:41,482 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:41,695 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:41,695 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:41,695 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:41,695 INFO  L82        PathProgramCache]: Analyzing trace with hash -8533593, now seen corresponding path program 1 times
[2020-07-20 16:26:41,696 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:41,696 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [551048398]
[2020-07-20 16:26:41,696 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 16:26:42,219 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:42,219 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:42,224 INFO  L263         TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:26:42,230 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:42,266 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 16:26:42,266 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:42,267 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [551048398]
[2020-07-20 16:26:42,267 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:42,267 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:42,269 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118520841]
[2020-07-20 16:26:42,270 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:42,271 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:42,271 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:42,271 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:42,272 INFO  L87              Difference]: Start difference. First operand 148 states and 170 transitions. Second operand 3 states.
[2020-07-20 16:26:42,313 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:42,316 INFO  L93              Difference]: Finished difference Result 268 states and 313 transitions.
[2020-07-20 16:26:42,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:42,317 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 65
[2020-07-20 16:26:42,318 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:42,321 INFO  L225             Difference]: With dead ends: 268
[2020-07-20 16:26:42,321 INFO  L226             Difference]: Without dead ends: 148
[2020-07-20 16:26:42,325 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:42,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 148 states.
[2020-07-20 16:26:42,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148.
[2020-07-20 16:26:42,354 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 148 states.
[2020-07-20 16:26:42,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 169 transitions.
[2020-07-20 16:26:42,358 INFO  L78                 Accepts]: Start accepts. Automaton has 148 states and 169 transitions. Word has length 65
[2020-07-20 16:26:42,361 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:42,362 INFO  L479      AbstractCegarLoop]: Abstraction has 148 states and 169 transitions.
[2020-07-20 16:26:42,362 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:42,362 INFO  L276                IsEmpty]: Start isEmpty. Operand 148 states and 169 transitions.
[2020-07-20 16:26:42,365 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-07-20 16:26:42,365 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:42,365 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]
[2020-07-20 16:26:42,579 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:42,580 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:42,581 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:42,581 INFO  L82        PathProgramCache]: Analyzing trace with hash -2138732759, now seen corresponding path program 1 times
[2020-07-20 16:26:42,581 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:42,582 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578014351]
[2020-07-20 16:26:42,583 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 16:26:42,998 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:42,998 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:43,004 INFO  L263         TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 16:26:43,009 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:43,048 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 16:26:43,049 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:43,049 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578014351]
[2020-07-20 16:26:43,049 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:43,049 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:26:43,050 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220292534]
[2020-07-20 16:26:43,051 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:26:43,051 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:43,051 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:26:43,052 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:26:43,052 INFO  L87              Difference]: Start difference. First operand 148 states and 169 transitions. Second operand 6 states.
[2020-07-20 16:26:43,904 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:43,905 INFO  L93              Difference]: Finished difference Result 357 states and 427 transitions.
[2020-07-20 16:26:43,905 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 16:26:43,905 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 78
[2020-07-20 16:26:43,906 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:43,909 INFO  L225             Difference]: With dead ends: 357
[2020-07-20 16:26:43,909 INFO  L226             Difference]: Without dead ends: 237
[2020-07-20 16:26:43,911 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 16:26:43,912 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 237 states.
[2020-07-20 16:26:43,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 221.
[2020-07-20 16:26:43,934 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 221 states.
[2020-07-20 16:26:43,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions.
[2020-07-20 16:26:43,936 INFO  L78                 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 78
[2020-07-20 16:26:43,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:43,936 INFO  L479      AbstractCegarLoop]: Abstraction has 221 states and 249 transitions.
[2020-07-20 16:26:43,936 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:26:43,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions.
[2020-07-20 16:26:43,938 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2020-07-20 16:26:43,939 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:43,939 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:44,148 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:44,149 INFO  L427      AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:44,150 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:44,150 INFO  L82        PathProgramCache]: Analyzing trace with hash 2116914143, now seen corresponding path program 1 times
[2020-07-20 16:26:44,150 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:44,151 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450334286]
[2020-07-20 16:26:44,151 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 16:26:44,650 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:44,650 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:44,655 INFO  L263         TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 16:26:44,659 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:44,702 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 16:26:44,702 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:44,702 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450334286]
[2020-07-20 16:26:44,703 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:44,703 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:26:44,703 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810763117]
[2020-07-20 16:26:44,704 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:26:44,704 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:44,704 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:26:44,704 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:26:44,705 INFO  L87              Difference]: Start difference. First operand 221 states and 249 transitions. Second operand 6 states.
[2020-07-20 16:26:44,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:44,947 INFO  L93              Difference]: Finished difference Result 417 states and 478 transitions.
[2020-07-20 16:26:44,948 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-07-20 16:26:44,949 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 92
[2020-07-20 16:26:44,949 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:44,954 INFO  L225             Difference]: With dead ends: 417
[2020-07-20 16:26:44,955 INFO  L226             Difference]: Without dead ends: 224
[2020-07-20 16:26:44,956 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 16:26:44,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 224 states.
[2020-07-20 16:26:44,990 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 220.
[2020-07-20 16:26:44,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2020-07-20 16:26:44,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 246 transitions.
[2020-07-20 16:26:44,993 INFO  L78                 Accepts]: Start accepts. Automaton has 220 states and 246 transitions. Word has length 92
[2020-07-20 16:26:44,993 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:44,994 INFO  L479      AbstractCegarLoop]: Abstraction has 220 states and 246 transitions.
[2020-07-20 16:26:44,994 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:26:44,994 INFO  L276                IsEmpty]: Start isEmpty. Operand 220 states and 246 transitions.
[2020-07-20 16:26:44,996 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-07-20 16:26:44,996 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:44,996 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:45,209 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:45,210 INFO  L427      AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:45,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:45,211 INFO  L82        PathProgramCache]: Analyzing trace with hash 660673946, now seen corresponding path program 1 times
[2020-07-20 16:26:45,212 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:45,212 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226337805]
[2020-07-20 16:26:45,213 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 16:26:45,608 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:45,608 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:45,612 INFO  L263         TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 16:26:45,615 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:45,647 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 16:26:45,648 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:45,648 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226337805]
[2020-07-20 16:26:45,648 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:45,649 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 16:26:45,649 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066706532]
[2020-07-20 16:26:45,649 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 16:26:45,650 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:45,650 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 16:26:45,650 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 16:26:45,650 INFO  L87              Difference]: Start difference. First operand 220 states and 246 transitions. Second operand 6 states.
[2020-07-20 16:26:45,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:45,684 INFO  L93              Difference]: Finished difference Result 419 states and 478 transitions.
[2020-07-20 16:26:45,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-07-20 16:26:45,684 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 108
[2020-07-20 16:26:45,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:45,687 INFO  L225             Difference]: With dead ends: 419
[2020-07-20 16:26:45,687 INFO  L226             Difference]: Without dead ends: 227
[2020-07-20 16:26:45,688 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 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 16:26:45,689 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 227 states.
[2020-07-20 16:26:45,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 225.
[2020-07-20 16:26:45,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 225 states.
[2020-07-20 16:26:45,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 251 transitions.
[2020-07-20 16:26:45,705 INFO  L78                 Accepts]: Start accepts. Automaton has 225 states and 251 transitions. Word has length 108
[2020-07-20 16:26:45,706 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:45,706 INFO  L479      AbstractCegarLoop]: Abstraction has 225 states and 251 transitions.
[2020-07-20 16:26:45,706 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 16:26:45,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 225 states and 251 transitions.
[2020-07-20 16:26:45,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-07-20 16:26:45,710 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:45,710 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:45,910 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:45,911 INFO  L427      AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:45,911 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:45,911 INFO  L82        PathProgramCache]: Analyzing trace with hash -1706020648, now seen corresponding path program 1 times
[2020-07-20 16:26:45,912 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:45,912 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237433987]
[2020-07-20 16:26:45,912 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 16:26:46,057 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s)
[2020-07-20 16:26:46,058 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:46,060 INFO  L263         TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 16:26:46,063 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:46,097 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 16:26:46,097 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:46,097 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237433987]
[2020-07-20 16:26:46,097 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:46,098 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 16:26:46,098 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490798979]
[2020-07-20 16:26:46,098 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 16:26:46,105 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:46,106 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 16:26:46,106 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 16:26:46,108 INFO  L87              Difference]: Start difference. First operand 225 states and 251 transitions. Second operand 5 states.
[2020-07-20 16:26:46,130 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:46,130 INFO  L93              Difference]: Finished difference Result 429 states and 489 transitions.
[2020-07-20 16:26:46,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-07-20 16:26:46,131 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 108
[2020-07-20 16:26:46,131 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:46,133 INFO  L225             Difference]: With dead ends: 429
[2020-07-20 16:26:46,133 INFO  L226             Difference]: Without dead ends: 232
[2020-07-20 16:26:46,134 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 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 16:26:46,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 232 states.
[2020-07-20 16:26:46,148 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 229.
[2020-07-20 16:26:46,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 229 states.
[2020-07-20 16:26:46,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 255 transitions.
[2020-07-20 16:26:46,151 INFO  L78                 Accepts]: Start accepts. Automaton has 229 states and 255 transitions. Word has length 108
[2020-07-20 16:26:46,151 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:46,151 INFO  L479      AbstractCegarLoop]: Abstraction has 229 states and 255 transitions.
[2020-07-20 16:26:46,151 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 16:26:46,151 INFO  L276                IsEmpty]: Start isEmpty. Operand 229 states and 255 transitions.
[2020-07-20 16:26:46,153 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2020-07-20 16:26:46,153 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:46,153 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:46,366 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:46,367 INFO  L427      AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:46,368 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:46,368 INFO  L82        PathProgramCache]: Analyzing trace with hash -1946560777, now seen corresponding path program 1 times
[2020-07-20 16:26:46,368 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:46,369 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061923206]
[2020-07-20 16:26:46,369 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 16:26:46,746 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 16:26:46,746 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:46,751 INFO  L263         TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 16:26:46,755 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:46,801 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 16:26:46,801 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:46,802 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061923206]
[2020-07-20 16:26:46,802 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:46,802 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 16:26:46,802 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30085535]
[2020-07-20 16:26:46,804 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 16:26:46,804 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:46,804 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 16:26:46,805 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 16:26:46,805 INFO  L87              Difference]: Start difference. First operand 229 states and 255 transitions. Second operand 3 states.
[2020-07-20 16:26:46,843 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:46,844 INFO  L93              Difference]: Finished difference Result 586 states and 681 transitions.
[2020-07-20 16:26:46,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-07-20 16:26:46,844 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 108
[2020-07-20 16:26:46,845 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:46,848 INFO  L225             Difference]: With dead ends: 586
[2020-07-20 16:26:46,848 INFO  L226             Difference]: Without dead ends: 385
[2020-07-20 16:26:46,849 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 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 16:26:46,850 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 385 states.
[2020-07-20 16:26:46,890 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 382.
[2020-07-20 16:26:46,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 382 states.
[2020-07-20 16:26:46,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 438 transitions.
[2020-07-20 16:26:46,896 INFO  L78                 Accepts]: Start accepts. Automaton has 382 states and 438 transitions. Word has length 108
[2020-07-20 16:26:46,899 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:46,899 INFO  L479      AbstractCegarLoop]: Abstraction has 382 states and 438 transitions.
[2020-07-20 16:26:46,899 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 16:26:46,899 INFO  L276                IsEmpty]: Start isEmpty. Operand 382 states and 438 transitions.
[2020-07-20 16:26:46,903 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2020-07-20 16:26:46,903 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:46,903 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 16:26:47,117 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:47,118 INFO  L427      AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:47,118 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:47,119 INFO  L82        PathProgramCache]: Analyzing trace with hash 79738257, now seen corresponding path program 1 times
[2020-07-20 16:26:47,119 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:47,119 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221188089]
[2020-07-20 16:26:47,120 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 16:26:47,520 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:47,521 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:47,526 INFO  L263         TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 16:26:47,530 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:47,624 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 16:26:47,624 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 16:26:47,625 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221188089]
[2020-07-20 16:26:47,625 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 16:26:47,625 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 16:26:47,625 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677478849]
[2020-07-20 16:26:47,625 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 16:26:47,626 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:47,626 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 16:26:47,626 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 16:26:47,626 INFO  L87              Difference]: Start difference. First operand 382 states and 438 transitions. Second operand 10 states.
[2020-07-20 16:26:49,122 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:49,123 INFO  L93              Difference]: Finished difference Result 1044 states and 1355 transitions.
[2020-07-20 16:26:49,123 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2020-07-20 16:26:49,123 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 112
[2020-07-20 16:26:49,124 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:49,130 INFO  L225             Difference]: With dead ends: 1044
[2020-07-20 16:26:49,130 INFO  L226             Difference]: Without dead ends: 690
[2020-07-20 16:26:49,133 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 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 16:26:49,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 690 states.
[2020-07-20 16:26:49,230 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 516.
[2020-07-20 16:26:49,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 516 states.
[2020-07-20 16:26:49,234 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 601 transitions.
[2020-07-20 16:26:49,235 INFO  L78                 Accepts]: Start accepts. Automaton has 516 states and 601 transitions. Word has length 112
[2020-07-20 16:26:49,235 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:49,235 INFO  L479      AbstractCegarLoop]: Abstraction has 516 states and 601 transitions.
[2020-07-20 16:26:49,235 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 16:26:49,235 INFO  L276                IsEmpty]: Start isEmpty. Operand 516 states and 601 transitions.
[2020-07-20 16:26:49,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 175
[2020-07-20 16:26:49,241 INFO  L414         BasicCegarLoop]: Found error trace
[2020-07-20 16:26:49,242 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:26:49,451 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:49,452 INFO  L427      AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 16:26:49,452 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 16:26:49,452 INFO  L82        PathProgramCache]: Analyzing trace with hash -992810877, now seen corresponding path program 1 times
[2020-07-20 16:26:49,453 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 16:26:49,454 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516525841]
[2020-07-20 16:26:49,454 INFO  L95    rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:49,831 INFO  L228   tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 16:26:49,831 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 16:26:49,836 INFO  L263         TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 16:26:49,840 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 16:26:49,919 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 16:26:49,919 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 16:26:50,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2020-07-20 16:26:50,396 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516525841]
[2020-07-20 16:26:50,396 INFO  L220   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 16:26:50,396 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 16:26:50,397 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116552753]
[2020-07-20 16:26:50,397 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 16:26:50,397 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 16:26:50,398 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 16:26:50,398 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 16:26:50,398 INFO  L87              Difference]: Start difference. First operand 516 states and 601 transitions. Second operand 10 states.
[2020-07-20 16:26:51,296 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 16:26:51,297 INFO  L93              Difference]: Finished difference Result 626 states and 743 transitions.
[2020-07-20 16:26:51,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2020-07-20 16:26:51,298 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states. Word has length 174
[2020-07-20 16:26:51,299 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 16:26:51,299 INFO  L225             Difference]: With dead ends: 626
[2020-07-20 16:26:51,299 INFO  L226             Difference]: Without dead ends: 0
[2020-07-20 16:26:51,303 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306
[2020-07-20 16:26:51,304 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 16:26:51,304 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 16:26:51,304 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 16:26:51,304 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 16:26:51,305 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174
[2020-07-20 16:26:51,305 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-07-20 16:26:51,305 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 16:26:51,305 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 16:26:51,306 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 16:26:51,306 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 16:26:51,506 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 16:26:51,508 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 16:26:52,642 WARN  L193               SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29
[2020-07-20 16:26:52,948 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36
[2020-07-20 16:26:53,117 WARN  L193               SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25
[2020-07-20 16:26:53,359 WARN  L193               SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40
[2020-07-20 16:26:53,543 WARN  L193               SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37
[2020-07-20 16:26:53,811 WARN  L193               SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 16:26:53,979 WARN  L193               SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31
[2020-07-20 16:26:54,384 WARN  L193               SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27
[2020-07-20 16:26:54,534 WARN  L193               SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 16:26:54,912 WARN  L193               SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 16:26:55,341 WARN  L193               SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 28
[2020-07-20 16:26:55,673 WARN  L193               SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43
[2020-07-20 16:26:55,811 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29
[2020-07-20 16:26:55,996 INFO  L268        CegarLoopResult]: For program point  L285(lines 285 289)  no Hoare annotation was computed.
[2020-07-20 16:26:55,996 INFO  L268        CegarLoopResult]: For program point  L285-1(lines 285 289)  no Hoare annotation was computed.
[2020-07-20 16:26:55,996 INFO  L268        CegarLoopResult]: For program point  L280(line 280)  no Hoare annotation was computed.
[2020-07-20 16:26:55,996 INFO  L268        CegarLoopResult]: For program point  L279-2(lines 279 300)  no Hoare annotation was computed.
[2020-07-20 16:26:55,996 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeFINAL(lines 254 309)  no Hoare annotation was computed.
[2020-07-20 16:26:55,997 INFO  L268        CegarLoopResult]: For program point  L301(lines 278 302)  no Hoare annotation was computed.
[2020-07-20 16:26:55,997 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeEXIT(lines 254 309)  no Hoare annotation was computed.
[2020-07-20 16:26:55,997 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_freeENTRY(lines 254 309)  no Hoare annotation was computed.
[2020-07-20 16:26:55,997 INFO  L268        CegarLoopResult]: For program point  L342(lines 342 346)  no Hoare annotation was computed.
[2020-07-20 16:26:55,997 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetFINAL(lines 310 369)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  L342-1(lines 342 346)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  L337(line 337)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetENTRY(lines 310 369)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  L336-2(lines 336 361)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  L362(lines 335 363)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_resetEXIT(lines 310 369)  no Hoare annotation was computed.
[2020-07-20 16:26:55,998 INFO  L268        CegarLoopResult]: For program point  L355(line 355)  no Hoare annotation was computed.
[2020-07-20 16:26:55,999 INFO  L268        CegarLoopResult]: For program point  L355-1(line 355)  no Hoare annotation was computed.
[2020-07-20 16:26:55,999 INFO  L271        CegarLoopResult]: At program point  select_helpersFINAL(lines 994 1000)  the Hoare annotation is:  true
[2020-07-20 16:26:55,999 INFO  L268        CegarLoopResult]: For program point  select_helpersEXIT(lines 994 1000)  no Hoare annotation was computed.
[2020-07-20 16:26:56,000 INFO  L268        CegarLoopResult]: For program point  valid_productEXIT(lines 1001 1009)  no Hoare annotation was computed.
[2020-07-20 16:26:56,000 INFO  L271        CegarLoopResult]: At program point  valid_productENTRY(lines 1001 1009)  the Hoare annotation is:  true
[2020-07-20 16:26:56,001 INFO  L268        CegarLoopResult]: For program point  valid_productFINAL(lines 1001 1009)  no Hoare annotation was computed.
[2020-07-20 16:26:56,001 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__1ENTRY(lines 154 161)  the Hoare annotation is:  true
[2020-07-20 16:26:56,001 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1EXIT(lines 154 161)  no Hoare annotation was computed.
[2020-07-20 16:26:56,001 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__1FINAL(lines 154 161)  no Hoare annotation was computed.
[2020-07-20 16:26:56,001 INFO  L264        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__2ENTRY(lines 162 171)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)))))
[2020-07-20 16:26:56,001 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2EXIT(lines 162 171)  no Hoare annotation was computed.
[2020-07-20 16:26:56,001 INFO  L268        CegarLoopResult]: For program point  L167(line 167)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__2FINAL(lines 162 171)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L264        CegarLoopResult]: At program point  L187(line 187)  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 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L185(lines 185 191)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L184(lines 184 194)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L264        CegarLoopResult]: At program point  L182(line 182)  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 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L182-1(line 182)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L180(lines 180 197)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L180-1(lines 172 200)  no Hoare annotation was computed.
[2020-07-20 16:26:56,002 INFO  L271        CegarLoopResult]: At program point  L178(line 178)  the Hoare annotation is:  true
[2020-07-20 16:26:56,002 INFO  L268        CegarLoopResult]: For program point  L178-1(line 178)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L271        CegarLoopResult]: At program point  __utac_acc__Specification5_spec__3ENTRY(lines 172 200)  the Hoare annotation is:  true
[2020-07-20 16:26:56,003 INFO  L268        CegarLoopResult]: For program point  __utac_acc__Specification5_spec__3EXIT(lines 172 200)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 647 669)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,003 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 647 669)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L264        CegarLoopResult]: At program point  L659(line 659)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,003 INFO  L264        CegarLoopResult]: At program point  L659-1(line 659)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,003 INFO  L268        CegarLoopResult]: For program point  L657(lines 657 664)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L268        CegarLoopResult]: For program point  L657-1(lines 657 664)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L268        CegarLoopResult]: For program point  L655(line 655)  no Hoare annotation was computed.
[2020-07-20 16:26:56,003 INFO  L264        CegarLoopResult]: At program point  L654(line 654)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,003 INFO  L264        CegarLoopResult]: At program point  L653(line 653)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 647 669)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L264        CegarLoopResult]: At program point  L653-1(line 653)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  L609(line 609)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  L608(line 608)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  Specification2EXIT(lines 601 624)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  L607(line 607)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  L606(line 606)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  Specification2ENTRY(lines 601 624)  no Hoare annotation was computed.
[2020-07-20 16:26:56,004 INFO  L268        CegarLoopResult]: For program point  Specification2FINAL(lines 601 624)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L619(line 619)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L618(line 618)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L617(line 617)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L616(line 616)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L615(line 615)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L614(line 614)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L613(line 613)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L612(line 612)  no Hoare annotation was computed.
[2020-07-20 16:26:56,005 INFO  L268        CegarLoopResult]: For program point  L611(line 611)  no Hoare annotation was computed.
[2020-07-20 16:26:56,006 INFO  L268        CegarLoopResult]: For program point  L610(line 610)  no Hoare annotation was computed.
[2020-07-20 16:26:56,006 INFO  L268        CegarLoopResult]: For program point  isPumpRunningEXIT(lines 884 892)  no Hoare annotation was computed.
[2020-07-20 16:26:56,006 INFO  L271        CegarLoopResult]: At program point  isPumpRunningENTRY(lines 884 892)  the Hoare annotation is:  true
[2020-07-20 16:26:56,006 INFO  L268        CegarLoopResult]: For program point  isPumpRunningFINAL(lines 884 892)  no Hoare annotation was computed.
[2020-07-20 16:26:56,006 INFO  L268        CegarLoopResult]: For program point  L957(lines 957 961)  no Hoare annotation was computed.
[2020-07-20 16:26:56,006 INFO  L271        CegarLoopResult]: At program point  L955(line 955)  the Hoare annotation is:  true
[2020-07-20 16:26:56,006 INFO  L268        CegarLoopResult]: For program point  L957-2(lines 957 961)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  L955-1(line 955)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L271        CegarLoopResult]: At program point  isLowWaterLevelENTRY(lines 948 966)  the Hoare annotation is:  true
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelEXIT(lines 948 966)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  isLowWaterLevelFINAL(lines 948 966)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  L923(line 923)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  L923-1(line 923)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  L912(lines 912 920)  no Hoare annotation was computed.
[2020-07-20 16:26:56,007 INFO  L268        CegarLoopResult]: For program point  printPumpFINAL(lines 893 928)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  L912-2(lines 912 920)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  printPumpENTRY(lines 893 928)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  L900(lines 900 908)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  printPumpEXIT(lines 893 928)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  L900-2(lines 900 908)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  select_featuresEXIT(lines 987 993)  no Hoare annotation was computed.
[2020-07-20 16:26:56,008 INFO  L271        CegarLoopResult]: At program point  select_featuresFINAL(lines 987 993)  the Hoare annotation is:  true
[2020-07-20 16:26:56,008 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setENTRY(lines 208 253)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setEXIT(lines 208 253)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  __utac__exception__cf_handler_setFINAL(lines 208 253)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  L541(lines 541 548)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeFINAL(lines 521 566)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  L535(lines 535 555)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  L535-1(lines 535 555)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeENTRY(lines 521 566)  no Hoare annotation was computed.
[2020-07-20 16:26:56,009 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argtypeEXIT(lines 521 566)  no Hoare annotation was computed.
[2020-07-20 16:26:56,010 INFO  L264        CegarLoopResult]: At program point  runTestENTRY(lines 633 643)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,010 INFO  L264        CegarLoopResult]: At program point  L638(line 638)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,010 INFO  L268        CegarLoopResult]: For program point  runTestEXIT(lines 633 643)  no Hoare annotation was computed.
[2020-07-20 16:26:56,010 INFO  L268        CegarLoopResult]: For program point  runTestFINAL(lines 633 643)  no Hoare annotation was computed.
[2020-07-20 16:26:56,010 INFO  L271        CegarLoopResult]: At program point  isMethaneAlarmENTRY(lines 873 883)  the Hoare annotation is:  true
[2020-07-20 16:26:56,010 INFO  L271        CegarLoopResult]: At program point  L878(line 878)  the Hoare annotation is:  true
[2020-07-20 16:26:56,010 INFO  L268        CegarLoopResult]: For program point  L878-1(line 878)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmEXIT(lines 873 883)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  isMethaneAlarmFINAL(lines 873 883)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L264        CegarLoopResult]: At program point  deactivatePumpENTRY(lines 865 872)  the Hoare annotation is:  (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  deactivatePumpEXIT(lines 865 872)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  deactivatePumpFINAL(lines 865 872)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryEXIT(lines 127 140)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L268        CegarLoopResult]: For program point  L131(lines 131 137)  no Hoare annotation was computed.
[2020-07-20 16:26:56,011 INFO  L271        CegarLoopResult]: At program point  isHighWaterSensorDryENTRY(lines 127 140)  the Hoare annotation is:  true
[2020-07-20 16:26:56,012 INFO  L268        CegarLoopResult]: For program point  isHighWaterSensorDryFINAL(lines 127 140)  no Hoare annotation was computed.
[2020-07-20 16:26:56,012 INFO  L264        CegarLoopResult]: At program point  L833(line 833)  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 16:26:56,012 INFO  L268        CegarLoopResult]: For program point  L833-1(lines 814 838)  no Hoare annotation was computed.
[2020-07-20 16:26:56,012 INFO  L264        CegarLoopResult]: At program point  L828(line 828)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:56,012 INFO  L264        CegarLoopResult]: At program point  L824(line 824)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:56,012 INFO  L268        CegarLoopResult]: For program point  processEnvironmentEXIT(lines 814 838)  no Hoare annotation was computed.
[2020-07-20 16:26:56,013 INFO  L268        CegarLoopResult]: For program point  L822(lines 822 830)  no Hoare annotation was computed.
[2020-07-20 16:26:56,013 INFO  L264        CegarLoopResult]: At program point  L820(line 820)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:56,013 INFO  L264        CegarLoopResult]: At program point  processEnvironmentENTRY(lines 814 838)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 16:26:56,013 INFO  L268        CegarLoopResult]: For program point  L820-1(line 820)  no Hoare annotation was computed.
[2020-07-20 16:26:56,013 INFO  L268        CegarLoopResult]: For program point  L818(lines 818 835)  no Hoare annotation was computed.
[2020-07-20 16:26:56,013 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__baseEXIT(lines 780 786)  no Hoare annotation was computed.
[2020-07-20 16:26:56,013 INFO  L271        CegarLoopResult]: At program point  processEnvironment__wrappee__baseFINAL(lines 780 786)  the Hoare annotation is:  true
[2020-07-20 16:26:56,014 INFO  L264        CegarLoopResult]: At program point  testENTRY(lines 681 746)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,014 INFO  L268        CegarLoopResult]: For program point  L729(lines 729 733)  no Hoare annotation was computed.
[2020-07-20 16:26:56,014 INFO  L264        CegarLoopResult]: At program point  L729-2(lines 721 734)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 16:26:56,014 INFO  L268        CegarLoopResult]: For program point  testFINAL(lines 681 746)  no Hoare annotation was computed.
[2020-07-20 16:26:56,014 INFO  L268        CegarLoopResult]: For program point  L692(lines 691 738)  no Hoare annotation was computed.
[2020-07-20 16:26:56,014 INFO  L264        CegarLoopResult]: At program point  L723(line 723)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 16:26:56,014 INFO  L268        CegarLoopResult]: For program point  L721(lines 721 734)  no Hoare annotation was computed.
[2020-07-20 16:26:56,015 INFO  L264        CegarLoopResult]: At program point  L713(line 713)  the Hoare annotation is:  (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3)))
[2020-07-20 16:26:56,015 INFO  L268        CegarLoopResult]: For program point  L711(lines 711 717)  no Hoare annotation was computed.
[2020-07-20 16:26:56,015 INFO  L268        CegarLoopResult]: For program point  L711-1(lines 711 717)  no Hoare annotation was computed.
[2020-07-20 16:26:56,015 INFO  L264        CegarLoopResult]: At program point  L736(lines 691 738)  the Hoare annotation is:  (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 16:26:56,015 INFO  L264        CegarLoopResult]: At program point  L703(line 703)  the Hoare annotation is:  (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2)))
[2020-07-20 16:26:56,015 INFO  L268        CegarLoopResult]: For program point  L701(lines 701 707)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  L701-1(lines 701 707)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  L693(lines 693 697)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L264        CegarLoopResult]: At program point  L739(lines 690 740)  the Hoare annotation is:  (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)))
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  testEXIT(lines 681 746)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argENTRY(lines 475 520)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argEXIT(lines 475 520)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  __utac__get_this_argFINAL(lines 475 520)  no Hoare annotation was computed.
[2020-07-20 16:26:56,016 INFO  L268        CegarLoopResult]: For program point  L495(lines 495 502)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L268        CegarLoopResult]: For program point  L489(lines 489 509)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L268        CegarLoopResult]: For program point  L489-1(lines 489 509)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L264        CegarLoopResult]: At program point  activatePump__wrappee__lowWaterSensorENTRY(lines 839 846)  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 16:26:56,017 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorFINAL(lines 839 846)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L268        CegarLoopResult]: For program point  activatePump__wrappee__lowWaterSensorEXIT(lines 839 846)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryFINAL(lines 141 149)  no Hoare annotation was computed.
[2020-07-20 16:26:56,017 INFO  L271        CegarLoopResult]: At program point  isLowWaterSensorDryENTRY(lines 141 149)  the Hoare annotation is:  true
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  isLowWaterSensorDryEXIT(lines 141 149)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  printEnvironmentEXIT(lines 95 117)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  L103(lines 103 111)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  printEnvironmentENTRY(lines 95 117)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  L103-2(lines 103 111)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  printEnvironmentFINAL(lines 95 117)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtENTRY(lines 372 474)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  L442(lines 420 443)  no Hoare annotation was computed.
[2020-07-20 16:26:56,018 INFO  L268        CegarLoopResult]: For program point  L401(lines 401 417)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L461(lines 461 468)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L422(lines 421 441)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtFINAL(lines 372 474)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L453(line 453)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L453-1(line 453)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L418(lines 418 459)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L437(line 437)  no Hoare annotation was computed.
[2020-07-20 16:26:56,019 INFO  L268        CegarLoopResult]: For program point  L437-1(line 437)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  __utac__error_stack_mgtEXIT(lines 372 474)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  L396(lines 396 400)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  L460(lines 460 471)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  L423(lines 423 427)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  L421-2(lines 421 441)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  select_oneENTRY(lines 977 986)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  select_oneFINAL(lines 977 986)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  select_oneEXIT(lines 977 986)  no Hoare annotation was computed.
[2020-07-20 16:26:56,020 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,021 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 16:26:56,021 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,021 INFO  L268        CegarLoopResult]: For program point  activatePumpEXIT(lines 848 864)  no Hoare annotation was computed.
[2020-07-20 16:26:56,021 INFO  L264        CegarLoopResult]: At program point  L859(line 859)  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 16:26:56,021 INFO  L268        CegarLoopResult]: For program point  L859-1(lines 848 864)  no Hoare annotation was computed.
[2020-07-20 16:26:56,021 INFO  L264        CegarLoopResult]: At program point  activatePumpENTRY(lines 848 864)  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 16:26:56,021 INFO  L268        CegarLoopResult]: For program point  L855(lines 855 861)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L264        CegarLoopResult]: At program point  L853(line 853)  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 16:26:56,022 INFO  L268        CegarLoopResult]: For program point  L853-1(line 853)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L271        CegarLoopResult]: At program point  getWaterLevelENTRY(lines 118 126)  the Hoare annotation is:  true
[2020-07-20 16:26:56,022 INFO  L268        CegarLoopResult]: For program point  getWaterLevelFINAL(lines 118 126)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L268        CegarLoopResult]: For program point  getWaterLevelEXIT(lines 118 126)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelEXIT(lines 929 947)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L268        CegarLoopResult]: For program point  L938(lines 938 942)  no Hoare annotation was computed.
[2020-07-20 16:26:56,022 INFO  L271        CegarLoopResult]: At program point  L936(line 936)  the Hoare annotation is:  true
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  L938-2(lines 938 942)  no Hoare annotation was computed.
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  L936-1(line 936)  no Hoare annotation was computed.
[2020-07-20 16:26:56,023 INFO  L271        CegarLoopResult]: At program point  isHighWaterLevelENTRY(lines 929 947)  the Hoare annotation is:  true
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  isHighWaterLevelFINAL(lines 929 947)  no Hoare annotation was computed.
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  L78-1(lines 74 85)  no Hoare annotation was computed.
[2020-07-20 16:26:56,023 INFO  L271        CegarLoopResult]: At program point  changeMethaneLevelENTRY(lines 74 85)  the Hoare annotation is:  true
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  changeMethaneLevelEXIT(lines 74 85)  no Hoare annotation was computed.
[2020-07-20 16:26:56,023 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,024 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intENTRY(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,024 INFO  L268        CegarLoopResult]: For program point  ##fun~int~X~int~TO~intFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,024 INFO  L271        CegarLoopResult]: At program point  isMethaneLevelCriticalENTRY(lines 86 94)  the Hoare annotation is:  true
[2020-07-20 16:26:56,024 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalFINAL(lines 86 94)  no Hoare annotation was computed.
[2020-07-20 16:26:56,024 INFO  L268        CegarLoopResult]: For program point  isMethaneLevelCriticalEXIT(lines 86 94)  no Hoare annotation was computed.
[2020-07-20 16:26:56,024 INFO  L264        CegarLoopResult]: At program point  L769(line 769)  the Hoare annotation is:  (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse4 (and .cse6 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse4 .cse5))))
[2020-07-20 16:26:56,025 INFO  L264        CegarLoopResult]: At program point  L767(lines 767 773)  the Hoare annotation is:  (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9))))
[2020-07-20 16:26:56,025 INFO  L264        CegarLoopResult]: At program point  L762(line 762)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 16:26:56,025 INFO  L268        CegarLoopResult]: For program point  L760(lines 756 778)  no Hoare annotation was computed.
[2020-07-20 16:26:56,025 INFO  L268        CegarLoopResult]: For program point  L758(lines 756 778)  no Hoare annotation was computed.
[2020-07-20 16:26:56,025 INFO  L264        CegarLoopResult]: At program point  timeShiftENTRY(lines 753 779)  the Hoare annotation is:  (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0))))
[2020-07-20 16:26:56,025 INFO  L268        CegarLoopResult]: For program point  timeShiftEXIT(lines 753 779)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  timeShiftFINAL(lines 753 779)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L271        CegarLoopResult]: At program point  L576(line 576)  the Hoare annotation is:  true
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  cleanupEXIT(lines 570 599)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  L576-1(line 576)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L271        CegarLoopResult]: At program point  cleanupENTRY(lines 570 599)  the Hoare annotation is:  true
[2020-07-20 16:26:56,026 INFO  L271        CegarLoopResult]: At program point  L595(lines 570 599)  the Hoare annotation is:  true
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  L591(line 591)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  L584(lines 584 588)  no Hoare annotation was computed.
[2020-07-20 16:26:56,026 INFO  L271        CegarLoopResult]: At program point  L584-1(lines 584 588)  the Hoare annotation is:  true
[2020-07-20 16:26:56,026 INFO  L268        CegarLoopResult]: For program point  L581(line 581)  no Hoare annotation was computed.
[2020-07-20 16:26:56,027 INFO  L271        CegarLoopResult]: At program point  L580-2(lines 580 594)  the Hoare annotation is:  true
[2020-07-20 16:26:56,027 INFO  L264        CegarLoopResult]: At program point  lowerWaterLevelENTRY(lines 50 61)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3)))
[2020-07-20 16:26:56,027 INFO  L268        CegarLoopResult]: For program point  lowerWaterLevelEXIT(lines 50 61)  no Hoare annotation was computed.
[2020-07-20 16:26:56,027 INFO  L268        CegarLoopResult]: For program point  L54-1(lines 50 61)  no Hoare annotation was computed.
[2020-07-20 16:26:56,027 INFO  L268        CegarLoopResult]: For program point  setupEXIT(lines 625 631)  no Hoare annotation was computed.
[2020-07-20 16:26:56,027 INFO  L271        CegarLoopResult]: At program point  setupFINAL(lines 625 631)  the Hoare annotation is:  true
[2020-07-20 16:26:56,027 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,028 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 16:26:56,028 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-07-20 16:26:56,028 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-07-20 16:26:56,028 INFO  L268        CegarLoopResult]: For program point  startSystemEXIT(lines 967 974)  no Hoare annotation was computed.
[2020-07-20 16:26:56,028 INFO  L264        CegarLoopResult]: At program point  startSystemENTRY(lines 967 974)  the Hoare annotation is:  (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2)))
[2020-07-20 16:26:56,028 INFO  L268        CegarLoopResult]: For program point  startSystemFINAL(lines 967 974)  no Hoare annotation was computed.
[2020-07-20 16:26:56,028 INFO  L264        CegarLoopResult]: At program point  processEnvironment__wrappee__highWaterSensorENTRY(lines 788 812)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 16:26:56,029 INFO  L264        CegarLoopResult]: At program point  L798(line 798)  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 16:26:56,029 INFO  L268        CegarLoopResult]: For program point  L796(lines 796 804)  no Hoare annotation was computed.
[2020-07-20 16:26:56,029 INFO  L268        CegarLoopResult]: For program point  processEnvironment__wrappee__highWaterSensorEXIT(lines 788 812)  no Hoare annotation was computed.
[2020-07-20 16:26:56,029 INFO  L264        CegarLoopResult]: At program point  L794(line 794)  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 16:26:56,029 INFO  L268        CegarLoopResult]: For program point  L794-1(line 794)  no Hoare annotation was computed.
[2020-07-20 16:26:56,029 INFO  L268        CegarLoopResult]: For program point  L792(lines 792 809)  no Hoare annotation was computed.
[2020-07-20 16:26:56,029 INFO  L264        CegarLoopResult]: At program point  L807(line 807)  the Hoare annotation is:  (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:56,029 INFO  L268        CegarLoopResult]: For program point  L807-1(lines 788 812)  no Hoare annotation was computed.
[2020-07-20 16:26:56,030 INFO  L264        CegarLoopResult]: At program point  L802(line 802)  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 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 16:26:56,030 INFO  L268        CegarLoopResult]: For program point  L66-1(lines 62 73)  no Hoare annotation was computed.
[2020-07-20 16:26:56,030 INFO  L268        CegarLoopResult]: For program point  waterRiseEXIT(lines 62 73)  no Hoare annotation was computed.
[2020-07-20 16:26:56,030 INFO  L264        CegarLoopResult]: At program point  waterRiseENTRY(lines 62 73)  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 16:26:56,030 INFO  L268        CegarLoopResult]: For program point  __automaton_failFINAL(lines 671 678)  no Hoare annotation was computed.
[2020-07-20 16:26:56,030 INFO  L268        CegarLoopResult]: For program point  __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 675)  no Hoare annotation was computed.
[2020-07-20 16:26:56,030 INFO  L271        CegarLoopResult]: At program point  __automaton_failENTRY(lines 671 678)  the Hoare annotation is:  true
[2020-07-20 16:26:56,030 INFO  L268        CegarLoopResult]: For program point  __automaton_failEXIT(lines 671 678)  no Hoare annotation was computed.
[2020-07-20 16:26:56,048 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:56 BoogieIcfgContainer
[2020-07-20 16:26:56,048 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 16:26:56,050 INFO  L168              Benchmark]: Toolchain (without parser) took 18388.20 ms. Allocated memory was 145.8 MB in the beginning and 410.5 MB in the end (delta: 264.8 MB). Free memory was 102.5 MB in the beginning and 251.0 MB in the end (delta: -148.5 MB). Peak memory consumption was 243.5 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,051 INFO  L168              Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,052 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 680.70 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,052 INFO  L168              Benchmark]: Boogie Preprocessor took 133.79 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 165.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,053 INFO  L168              Benchmark]: RCFGBuilder took 1309.58 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 188.7 MB in the end (delta: -23.1 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,054 INFO  L168              Benchmark]: TraceAbstraction took 16258.85 ms. Allocated memory was 234.9 MB in the beginning and 410.5 MB in the end (delta: 175.6 MB). Free memory was 188.7 MB in the beginning and 251.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 240.5 MB. Max. memory is 7.1 GB.
[2020-07-20 16:26:56,058 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.47 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 680.70 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 133.79 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 165.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1309.58 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 165.6 MB in the beginning and 188.7 MB in the end (delta: -23.1 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 16258.85 ms. Allocated memory was 234.9 MB in the beginning and 410.5 MB in the end (delta: 175.6 MB). Free memory was 188.7 MB in the beginning and 251.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 240.5 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 675]: 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: 690]: Loop Invariant
    Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive))
  - InvariantResult [Line: 580]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 570]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 691]: Loop Invariant
    Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 44 procedures, 256 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2008 SDtfs, 1317 SDslu, 3634 SDs, 0 SdLazy, 2124 SolverSat, 501 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1152 GetRequests, 1090 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=516occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 202 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 902 PreInvPairs, 986 NumberOfFragments, 1770 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1731 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 8122 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 964 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1127 ConstructedInterpolants, 0 QuantifiedInterpolants, 253026 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7265 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 91/113 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...