/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 13:04:36,279 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:04:36,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:04:36,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:04:36,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:04:36,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:04:36,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:04:36,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:04:36,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:04:36,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:04:36,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:04:36,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:04:36,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:04:36,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:04:36,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:04:36,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:04:36,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:04:36,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:04:36,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:04:36,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:04:36,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:04:36,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:04:36,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:04:36,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:04:36,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:04:36,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:04:36,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:04:36,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:04:36,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:04:36,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:04:36,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:04:36,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:04:36,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:04:36,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:04:36,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:04:36,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:04:36,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:04:36,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:04:36,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:04:36,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:04:36,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:04:36,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 13:04:36,391 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 13:04:36,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:04:36,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:04:36,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 13:04:36,394 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 13:04:36,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:04:36,395 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 13:04:36,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 13:04:36,395 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 13:04:36,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 13:04:36,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:04:36,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:04:36,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:04:36,397 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 13:04:36,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 13:04:36,398 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 13:04:36,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:04:36,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:04:36,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 13:04:36,399 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 13:04:36,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 13:04:36,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:04:36,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:04:36,400 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 13:04:36,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 13:04:36,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:04:36,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:04:36,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:04:36,748 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 13:04:36,748 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 13:04:36,749 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c
[2020-07-20 13:04:36,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1/FLAG1890e79f3
[2020-07-20 13:04:37,343 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 13:04:37,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product41.cil.c
[2020-07-20 13:04:37,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1/FLAG1890e79f3
[2020-07-20 13:04:37,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/655a8976f/41b249847e4f43f69561a99d21ce5ec1
[2020-07-20 13:04:37,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:04:37,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:04:37,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:37,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:04:37,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:04:37,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:37" (1/1) ...
[2020-07-20 13:04:37,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69c051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:37, skipping insertion in model container
[2020-07-20 13:04:37,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:04:37" (1/1) ...
[2020-07-20 13:04:37,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 13:04:37,740 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:04:38,335 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:38,354 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 13:04:38,420 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:04:38,468 INFO L208 MainTranslator]: Completed translation
[2020-07-20 13:04:38,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38 WrapperNode
[2020-07-20 13:04:38,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:04:38,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:04:38,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:04:38,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:04:38,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (1/1) ...
[2020-07-20 13:04:38,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:04:38,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:04:38,554 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:04:38,554 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:04:38,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (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 13:04:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:04:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:04:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-07-20 13:04:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-07-20 13:04:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-07-20 13:04:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-07-20 13:04:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-07-20 13:04:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-07-20 13:04:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-07-20 13:04:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-07-20 13:04:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-07-20 13:04:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-07-20 13:04:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-07-20 13:04:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:04:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-07-20 13:04:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-07-20 13:04:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-07-20 13:04:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-07-20 13:04:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-07-20 13:04:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-07-20 13:04:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-07-20 13:04:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-07-20 13:04:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-07-20 13:04:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-07-20 13:04:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-07-20 13:04:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-07-20 13:04:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-07-20 13:04:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-07-20 13:04:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-07-20 13:04:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2020-07-20 13:04:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2020-07-20 13:04:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2020-07-20 13:04:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-07-20 13:04:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-07-20 13:04:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-07-20 13:04:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-07-20 13:04:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-07-20 13:04:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-07-20 13:04:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 13:04:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-07-20 13:04:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-07-20 13:04:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-07-20 13:04:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-07-20 13:04:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:04:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-07-20 13:04:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-07-20 13:04:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-07-20 13:04:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-07-20 13:04:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-07-20 13:04:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor
[2020-07-20 13:04:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-07-20 13:04:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-07-20 13:04:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-07-20 13:04:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-07-20 13:04:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-07-20 13:04:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-07-20 13:04:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-07-20 13:04:38,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 13:04:38,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-07-20 13:04:38,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:04:39,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:04:39,772 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-07-20 13:04:39,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39 BoogieIcfgContainer
[2020-07-20 13:04:39,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:04:39,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:04:39,782 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:04:39,785 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:04:39,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:04:37" (1/3) ...
[2020-07-20 13:04:39,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156656c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container
[2020-07-20 13:04:39,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:04:38" (2/3) ...
[2020-07-20 13:04:39,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@156656c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:04:39, skipping insertion in model container
[2020-07-20 13:04:39,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:04:39" (3/3) ...
[2020-07-20 13:04:39,788 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c
[2020-07-20 13:04:39,799 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:04:39,810 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:04:39,825 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:04:39,852 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:04:39,853 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 13:04:39,853 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:04:39,853 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:04:39,853 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:04:39,853 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 13:04:39,853 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:04:39,853 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:04:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states.
[2020-07-20 13:04:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2020-07-20 13:04:39,883 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:39,884 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:39,885 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:39,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:39,890 INFO L82 PathProgramCache]: Analyzing trace with hash 441969018, now seen corresponding path program 1 times
[2020-07-20 13:04:39,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:39,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2038776410]
[2020-07-20 13:04:39,897 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:40,443 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:40,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:40,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 1 conjunts are in the unsatisfiable core
[2020-07-20 13:04:40,460 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:04:40,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:40,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2038776410]
[2020-07-20 13:04:40,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:40,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-07-20 13:04:40,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428275192]
[2020-07-20 13:04:40,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-07-20 13:04:40,502 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:40,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-07-20 13:04:40,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:04:40,518 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states.
[2020-07-20 13:04:40,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:40,557 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions.
[2020-07-20 13:04:40,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-07-20 13:04:40,558 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2020-07-20 13:04:40,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:40,569 INFO L225 Difference]: With dead ends: 256
[2020-07-20 13:04:40,569 INFO L226 Difference]: Without dead ends: 130
[2020-07-20 13:04:40,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-07-20 13:04:40,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-07-20 13:04:40,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2020-07-20 13:04:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 13:04:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions.
[2020-07-20 13:04:40,629 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59
[2020-07-20 13:04:40,630 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:40,630 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions.
[2020-07-20 13:04:40,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-07-20 13:04:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions.
[2020-07-20 13:04:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-07-20 13:04:40,634 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:40,635 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:40,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:40,850 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:40,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:40,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1933724587, now seen corresponding path program 1 times
[2020-07-20 13:04:40,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:40,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389834462]
[2020-07-20 13:04:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:41,348 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:41,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:41,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:04:41,364 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:41,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:41,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389834462]
[2020-07-20 13:04:41,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:41,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:41,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052734974]
[2020-07-20 13:04:41,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:41,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:41,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:41,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:41,419 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states.
[2020-07-20 13:04:41,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:41,468 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions.
[2020-07-20 13:04:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:04:41,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64
[2020-07-20 13:04:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:41,474 INFO L225 Difference]: With dead ends: 232
[2020-07-20 13:04:41,475 INFO L226 Difference]: Without dead ends: 130
[2020-07-20 13:04:41,477 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:41,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2020-07-20 13:04:41,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130.
[2020-07-20 13:04:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states.
[2020-07-20 13:04:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions.
[2020-07-20 13:04:41,509 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 64
[2020-07-20 13:04:41,511 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:41,511 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions.
[2020-07-20 13:04:41,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions.
[2020-07-20 13:04:41,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-07-20 13:04:41,521 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:41,522 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]
[2020-07-20 13:04:41,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:41,736 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:41,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:41,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1723625407, now seen corresponding path program 1 times
[2020-07-20 13:04:41,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:41,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1097773734]
[2020-07-20 13:04:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:42,078 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:42,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:42,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core
[2020-07-20 13:04:42,087 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-07-20 13:04:42,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:42,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1097773734]
[2020-07-20 13:04:42,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:42,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:42,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297769100]
[2020-07-20 13:04:42,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:42,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:42,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:42,112 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 3 states.
[2020-07-20 13:04:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:42,149 INFO L93 Difference]: Finished difference Result 205 states and 235 transitions.
[2020-07-20 13:04:42,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:04:42,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68
[2020-07-20 13:04:42,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:42,153 INFO L225 Difference]: With dead ends: 205
[2020-07-20 13:04:42,153 INFO L226 Difference]: Without dead ends: 121
[2020-07-20 13:04:42,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2020-07-20 13:04:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2020-07-20 13:04:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states.
[2020-07-20 13:04:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions.
[2020-07-20 13:04:42,181 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 68
[2020-07-20 13:04:42,183 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:42,183 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions.
[2020-07-20 13:04:42,183 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions.
[2020-07-20 13:04:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-07-20 13:04:42,185 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:42,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:42,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:42,387 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:42,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:42,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1782817326, now seen corresponding path program 1 times
[2020-07-20 13:04:42,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004038665]
[2020-07-20 13:04:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:42,892 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:42,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:42,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 13:04:42,902 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:42,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:42,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004038665]
[2020-07-20 13:04:42,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:42,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:42,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422161946]
[2020-07-20 13:04:42,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:42,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:42,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:42,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:42,950 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states.
[2020-07-20 13:04:43,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:43,520 INFO L93 Difference]: Finished difference Result 275 states and 324 transitions.
[2020-07-20 13:04:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 13:04:43,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72
[2020-07-20 13:04:43,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:43,528 INFO L225 Difference]: With dead ends: 275
[2020-07-20 13:04:43,529 INFO L226 Difference]: Without dead ends: 182
[2020-07-20 13:04:43,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:04:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-07-20 13:04:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179.
[2020-07-20 13:04:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states.
[2020-07-20 13:04:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions.
[2020-07-20 13:04:43,551 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 72
[2020-07-20 13:04:43,552 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:43,552 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions.
[2020-07-20 13:04:43,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions.
[2020-07-20 13:04:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2020-07-20 13:04:43,553 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:43,553 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]
[2020-07-20 13:04:43,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:43,761 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:43,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:43,762 INFO L82 PathProgramCache]: Analyzing trace with hash 526954491, now seen corresponding path program 1 times
[2020-07-20 13:04:43,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:43,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935015715]
[2020-07-20 13:04:43,763 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:44,169 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:44,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:44,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:44,177 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:44,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:44,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935015715]
[2020-07-20 13:04:44,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:44,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:44,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289542256]
[2020-07-20 13:04:44,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:44,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:44,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:44,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:44,222 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand 6 states.
[2020-07-20 13:04:44,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:44,447 INFO L93 Difference]: Finished difference Result 333 states and 385 transitions.
[2020-07-20 13:04:44,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 13:04:44,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86
[2020-07-20 13:04:44,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:44,454 INFO L225 Difference]: With dead ends: 333
[2020-07-20 13:04:44,455 INFO L226 Difference]: Without dead ends: 182
[2020-07-20 13:04:44,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2020-07-20 13:04:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states.
[2020-07-20 13:04:44,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178.
[2020-07-20 13:04:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states.
[2020-07-20 13:04:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 201 transitions.
[2020-07-20 13:04:44,475 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 201 transitions. Word has length 86
[2020-07-20 13:04:44,475 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:44,475 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 201 transitions.
[2020-07-20 13:04:44,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 201 transitions.
[2020-07-20 13:04:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:44,477 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:44,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:44,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:44,691 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:44,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:44,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1805003882, now seen corresponding path program 1 times
[2020-07-20 13:04:44,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:44,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616859117]
[2020-07-20 13:04:44,693 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:45,040 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:45,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:45,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 11 conjunts are in the unsatisfiable core
[2020-07-20 13:04:45,054 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:45,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:45,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616859117]
[2020-07-20 13:04:45,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:45,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:04:45,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762293882]
[2020-07-20 13:04:45,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:04:45,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:04:45,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:04:45,096 INFO L87 Difference]: Start difference. First operand 178 states and 201 transitions. Second operand 6 states.
[2020-07-20 13:04:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:45,153 INFO L93 Difference]: Finished difference Result 335 states and 386 transitions.
[2020-07-20 13:04:45,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:04:45,157 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102
[2020-07-20 13:04:45,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:45,159 INFO L225 Difference]: With dead ends: 335
[2020-07-20 13:04:45,159 INFO L226 Difference]: Without dead ends: 185
[2020-07-20 13:04:45,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:04:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states.
[2020-07-20 13:04:45,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 183.
[2020-07-20 13:04:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states.
[2020-07-20 13:04:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 206 transitions.
[2020-07-20 13:04:45,178 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 206 transitions. Word has length 102
[2020-07-20 13:04:45,178 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:45,178 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 206 transitions.
[2020-07-20 13:04:45,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:04:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 206 transitions.
[2020-07-20 13:04:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:45,180 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:45,180 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:45,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:45,396 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:45,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:45,397 INFO L82 PathProgramCache]: Analyzing trace with hash -244383960, now seen corresponding path program 1 times
[2020-07-20 13:04:45,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054896764]
[2020-07-20 13:04:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:45,827 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:45,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:45,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 5 conjunts are in the unsatisfiable core
[2020-07-20 13:04:45,837 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:45,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:45,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054896764]
[2020-07-20 13:04:45,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:45,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 13:04:45,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121142224]
[2020-07-20 13:04:45,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 13:04:45,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:45,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 13:04:45,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:04:45,873 INFO L87 Difference]: Start difference. First operand 183 states and 206 transitions. Second operand 5 states.
[2020-07-20 13:04:45,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:45,895 INFO L93 Difference]: Finished difference Result 345 states and 397 transitions.
[2020-07-20 13:04:45,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-20 13:04:45,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102
[2020-07-20 13:04:45,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:45,898 INFO L225 Difference]: With dead ends: 345
[2020-07-20 13:04:45,898 INFO L226 Difference]: Without dead ends: 190
[2020-07-20 13:04:45,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 13:04:45,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states.
[2020-07-20 13:04:45,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187.
[2020-07-20 13:04:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states.
[2020-07-20 13:04:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 210 transitions.
[2020-07-20 13:04:45,915 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 210 transitions. Word has length 102
[2020-07-20 13:04:45,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:45,916 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 210 transitions.
[2020-07-20 13:04:45,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 13:04:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions.
[2020-07-20 13:04:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2020-07-20 13:04:45,917 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:45,918 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:46,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:46,131 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:46,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:46,132 INFO L82 PathProgramCache]: Analyzing trace with hash 725197063, now seen corresponding path program 1 times
[2020-07-20 13:04:46,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434504348]
[2020-07-20 13:04:46,132 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:46,551 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:04:46,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:46,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-07-20 13:04:46,561 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:46,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:46,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434504348]
[2020-07-20 13:04:46,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:46,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-07-20 13:04:46,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575543253]
[2020-07-20 13:04:46,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-07-20 13:04:46,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-07-20 13:04:46,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:46,609 INFO L87 Difference]: Start difference. First operand 187 states and 210 transitions. Second operand 3 states.
[2020-07-20 13:04:46,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:46,672 INFO L93 Difference]: Finished difference Result 462 states and 544 transitions.
[2020-07-20 13:04:46,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-07-20 13:04:46,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102
[2020-07-20 13:04:46,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:46,680 INFO L225 Difference]: With dead ends: 462
[2020-07-20 13:04:46,681 INFO L226 Difference]: Without dead ends: 303
[2020-07-20 13:04:46,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-07-20 13:04:46,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states.
[2020-07-20 13:04:46,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300.
[2020-07-20 13:04:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states.
[2020-07-20 13:04:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 348 transitions.
[2020-07-20 13:04:46,725 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 348 transitions. Word has length 102
[2020-07-20 13:04:46,726 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:46,726 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 348 transitions.
[2020-07-20 13:04:46,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-07-20 13:04:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 348 transitions.
[2020-07-20 13:04:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2020-07-20 13:04:46,731 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:46,731 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]
[2020-07-20 13:04:46,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:46,946 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:46,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:46,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1122638495, now seen corresponding path program 1 times
[2020-07-20 13:04:46,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:46,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [706136522]
[2020-07-20 13:04:46,948 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:47,278 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:47,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:47,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 22 conjunts are in the unsatisfiable core
[2020-07-20 13:04:47,286 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:47,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:04:47,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [706136522]
[2020-07-20 13:04:47,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:04:47,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-07-20 13:04:47,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031088531]
[2020-07-20 13:04:47,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:04:47,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:47,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:04:47,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:04:47,397 INFO L87 Difference]: Start difference. First operand 300 states and 348 transitions. Second operand 10 states.
[2020-07-20 13:04:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:48,654 INFO L93 Difference]: Finished difference Result 774 states and 995 transitions.
[2020-07-20 13:04:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-07-20 13:04:48,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106
[2020-07-20 13:04:48,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:48,663 INFO L225 Difference]: With dead ends: 774
[2020-07-20 13:04:48,663 INFO L226 Difference]: Without dead ends: 502
[2020-07-20 13:04:48,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380
[2020-07-20 13:04:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states.
[2020-07-20 13:04:48,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 381.
[2020-07-20 13:04:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states.
[2020-07-20 13:04:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 446 transitions.
[2020-07-20 13:04:48,720 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 446 transitions. Word has length 106
[2020-07-20 13:04:48,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:48,722 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 446 transitions.
[2020-07-20 13:04:48,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:04:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 446 transitions.
[2020-07-20 13:04:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150
[2020-07-20 13:04:48,727 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:04:48,727 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:04:48,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:48,942 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:04:48,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:04:48,942 INFO L82 PathProgramCache]: Analyzing trace with hash 193650261, now seen corresponding path program 1 times
[2020-07-20 13:04:48,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:04:48,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514368439]
[2020-07-20 13:04:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:49,317 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s)
[2020-07-20 13:04:49,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:04:49,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-07-20 13:04:49,325 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:04:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:04:49,392 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2020-07-20 13:04:49,765 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2020-07-20 13:04:49,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514368439]
[2020-07-20 13:04:49,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-07-20 13:04:49,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2020-07-20 13:04:49,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582348907]
[2020-07-20 13:04:49,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-07-20 13:04:49,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:04:49,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-07-20 13:04:49,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2020-07-20 13:04:49,768 INFO L87 Difference]: Start difference. First operand 381 states and 446 transitions. Second operand 10 states.
[2020-07-20 13:04:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:04:50,537 INFO L93 Difference]: Finished difference Result 423 states and 504 transitions.
[2020-07-20 13:04:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-07-20 13:04:50,538 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149
[2020-07-20 13:04:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:04:50,539 INFO L225 Difference]: With dead ends: 423
[2020-07-20 13:04:50,542 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 13:04:50,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2020-07-20 13:04:50,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:04:50,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:04:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:04:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149
[2020-07-20 13:04:50,547 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:04:50,547 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-07-20 13:04:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:04:50,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:04:50,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:04:50,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:04:51,834 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36
[2020-07-20 13:04:51,996 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27
[2020-07-20 13:04:52,378 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39
[2020-07-20 13:04:52,750 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36
[2020-07-20 13:04:53,011 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31
[2020-07-20 13:04:53,366 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27
[2020-07-20 13:04:53,887 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41
[2020-07-20 13:04:54,117 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27
[2020-07-20 13:04:54,378 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed.
[2020-07-20 13:04:54,379 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed.
[2020-07-20 13:04:54,380 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 919 925) the Hoare annotation is: true
[2020-07-20 13:04:54,381 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 919 925) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 926 934) no Hoare annotation was computed.
[2020-07-20 13:04:54,381 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 926 934) the Hoare annotation is: true
[2020-07-20 13:04:54,382 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 926 934) no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true
[2020-07-20 13:04:54,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0)))
[2020-07-20 13:04:54,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed.
[2020-07-20 13:04:54,382 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true
[2020-07-20 13:04:54,383 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2)))
[2020-07-20 13:04:54,383 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed.
[2020-07-20 13:04:54,383 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)))))
[2020-07-20 13:04:54,384 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true
[2020-07-20 13:04:54,384 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed.
[2020-07-20 13:04:54,384 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO L264 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO L264 CegarLoopResult]: At program point L283-1(line 283) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,385 INFO L268 CegarLoopResult]: For program point L281(lines 281 288) no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 288) no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO L268 CegarLoopResult]: For program point L279(line 279) no Hoare annotation was computed.
[2020-07-20 13:04:54,385 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO L264 CegarLoopResult]: At program point L277-1(line 277) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,386 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 225 248) no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 225 248) no Hoare annotation was computed.
[2020-07-20 13:04:54,387 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 225 248) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L243(line 243) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L239(line 239) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed.
[2020-07-20 13:04:54,388 INFO L268 CegarLoopResult]: For program point L232(line 232) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 405 413) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 405 413) the Hoare annotation is: true
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 405 413) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L433(lines 433 441) no Hoare annotation was computed.
[2020-07-20 13:04:54,389 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 441) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 414 449) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 414 449) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point L421-2(lines 421 429) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 414 449) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 912 918) no Hoare annotation was computed.
[2020-07-20 13:04:54,390 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 912 918) the Hoare annotation is: true
[2020-07-20 13:04:54,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed.
[2020-07-20 13:04:54,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed.
[2020-07-20 13:04:54,392 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,393 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,393 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 394 404) the Hoare annotation is: true
[2020-07-20 13:04:54,393 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true
[2020-07-20 13:04:54,393 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed.
[2020-07-20 13:04:54,393 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 394 404) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 394 404) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 386 393) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 386 393) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 386 393) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 177 190) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L268 CegarLoopResult]: For program point L181(lines 181 187) no Hoare annotation was computed.
[2020-07-20 13:04:54,394 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 177 190) the Hoare annotation is: true
[2020-07-20 13:04:54,395 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 177 190) no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO L268 CegarLoopResult]: For program point L354-1(lines 335 359) no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or (and (= 0 processEnvironment_~tmp~2) (= 0 ~pumpRunning~0)) .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,395 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,395 INFO L268 CegarLoopResult]: For program point L343(lines 343 351) no Hoare annotation was computed.
[2020-07-20 13:04:54,395 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 335 359) no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:04:54,396 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 335 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0))))
[2020-07-20 13:04:54,396 INFO L268 CegarLoopResult]: For program point L339(lines 339 356) no Hoare annotation was computed.
[2020-07-20 13:04:54,396 INFO L264 CegarLoopResult]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)))))
[2020-07-20 13:04:54,397 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 327 333) no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 327 333) the Hoare annotation is: true
[2020-07-20 13:04:54,397 INFO L268 CegarLoopResult]: For program point L481(lines 480 525) no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO L264 CegarLoopResult]: At program point testENTRY(lines 470 533) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0)))
[2020-07-20 13:04:54,397 INFO L268 CegarLoopResult]: For program point L510(lines 510 521) no Hoare annotation was computed.
[2020-07-20 13:04:54,397 INFO L268 CegarLoopResult]: For program point testFINAL(lines 470 533) no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO L264 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:04:54,398 INFO L268 CegarLoopResult]: For program point L500(lines 500 506) no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO L268 CegarLoopResult]: For program point L500-1(lines 500 506) no Hoare annotation was computed.
[2020-07-20 13:04:54,398 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:04:54,399 INFO L264 CegarLoopResult]: At program point L523(lines 480 525) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2)))
[2020-07-20 13:04:54,399 INFO L268 CegarLoopResult]: For program point L490(lines 490 496) no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 496) no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO L268 CegarLoopResult]: For program point L482(lines 482 486) no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO L264 CegarLoopResult]: At program point L526(lines 479 527) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0)))
[2020-07-20 13:04:54,399 INFO L268 CegarLoopResult]: For program point L516(lines 516 520) no Hoare annotation was computed.
[2020-07-20 13:04:54,399 INFO L268 CegarLoopResult]: For program point testEXIT(lines 470 533) no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO L264 CegarLoopResult]: At program point L516-2(lines 510 521) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))
[2020-07-20 13:04:54,400 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed.
[2020-07-20 13:04:54,400 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 360 367) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,401 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 360 367) no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 360 367) no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO L268 CegarLoopResult]: For program point L153(lines 153 161) no Hoare annotation was computed.
[2020-07-20 13:04:54,401 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 145 167) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point L153-2(lines 153 161) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 145 167) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 145 167) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed.
[2020-07-20 13:04:54,402 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed.
[2020-07-20 13:04:54,403 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 902 911) no Hoare annotation was computed.
[2020-07-20 13:04:54,404 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 902 911) no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 902 911) no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))
[2020-07-20 13:04:54,405 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,405 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,405 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 369 385) no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO L268 CegarLoopResult]: For program point L380-1(lines 369 385) no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 369 385) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,406 INFO L268 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed.
[2020-07-20 13:04:54,406 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)))
[2020-07-20 13:04:54,406 INFO L268 CegarLoopResult]: For program point L374-1(line 374) no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 168 176) the Hoare annotation is: true
[2020-07-20 13:04:54,407 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 168 176) no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 168 176) no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 450 468) no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO L268 CegarLoopResult]: For program point L459(lines 459 463) no Hoare annotation was computed.
[2020-07-20 13:04:54,407 INFO L271 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: true
[2020-07-20 13:04:54,407 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 463) no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO L268 CegarLoopResult]: For program point L457-1(line 457) no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 450 468) the Hoare annotation is: true
[2020-07-20 13:04:54,408 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 450 468) no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 124 135) the Hoare annotation is: true
[2020-07-20 13:04:54,408 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed.
[2020-07-20 13:04:54,408 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 136 144) the Hoare annotation is: true
[2020-07-20 13:04:54,409 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 136 144) no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed.
[2020-07-20 13:04:54,409 INFO L264 CegarLoopResult]: At program point L316(line 316) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5))))
[2020-07-20 13:04:54,410 INFO L264 CegarLoopResult]: At program point L314(lines 314 320) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6)) (or .cse1 .cse2 .cse3 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse9 .cse5 .cse6) .cse4 .cse7 .cse8 (and .cse9 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))))))
[2020-07-20 13:04:54,410 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:04:54,410 INFO L268 CegarLoopResult]: For program point L307(lines 303 325) no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO L268 CegarLoopResult]: For program point L305(lines 303 325) no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 300 326) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4)))
[2020-07-20 13:04:54,411 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 300 326) no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 300 326) no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed.
[2020-07-20 13:04:54,411 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true
[2020-07-20 13:04:54,412 INFO L271 CegarLoopResult]: At program point L219(lines 194 223) the Hoare annotation is: true
[2020-07-20 13:04:54,412 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO L268 CegarLoopResult]: For program point L208(lines 208 212) no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO L271 CegarLoopResult]: At program point L208-1(lines 208 212) the Hoare annotation is: true
[2020-07-20 13:04:54,412 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed.
[2020-07-20 13:04:54,412 INFO L271 CegarLoopResult]: At program point L204-2(lines 204 218) the Hoare annotation is: true
[2020-07-20 13:04:54,413 INFO L271 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: true
[2020-07-20 13:04:54,413 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed.
[2020-07-20 13:04:54,413 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)))))
[2020-07-20 13:04:54,413 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 100 111) no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true
[2020-07-20 13:04:54,414 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))
[2020-07-20 13:04:54,414 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 13:04:54,414 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:04:54,414 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3)))
[2020-07-20 13:04:54,415 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed.
[2020-07-20 13:04:54,415 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true
[2020-07-20 13:04:54,416 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed.
[2020-07-20 13:04:54,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:04:54 BoogieIcfgContainer
[2020-07-20 13:04:54,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:04:54,435 INFO L168 Benchmark]: Toolchain (without parser) took 16764.00 ms. Allocated memory was 139.5 MB in the beginning and 376.4 MB in the end (delta: 237.0 MB). Free memory was 103.8 MB in the beginning and 88.0 MB in the end (delta: 15.8 MB). Peak memory consumption was 253.8 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,436 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.64 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,438 INFO L168 Benchmark]: Boogie Preprocessor took 83.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,439 INFO L168 Benchmark]: RCFGBuilder took 1226.92 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 165.3 MB in the beginning and 196.7 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,440 INFO L168 Benchmark]: TraceAbstraction took 14651.88 ms. Allocated memory was 235.9 MB in the beginning and 376.4 MB in the end (delta: 140.5 MB). Free memory was 195.2 MB in the beginning and 88.0 MB in the end (delta: 107.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
[2020-07-20 13:04:54,444 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 795.64 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 103.4 MB in the beginning and 169.3 MB in the end (delta: -65.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 83.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 165.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1226.92 ms. Allocated memory was 200.8 MB in the beginning and 235.9 MB in the end (delta: 35.1 MB). Free memory was 165.3 MB in the beginning and 196.7 MB in the end (delta: -31.4 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 14651.88 ms. Allocated memory was 235.9 MB in the beginning and 376.4 MB in the end (delta: 140.5 MB). Free memory was 195.2 MB in the beginning and 88.0 MB in the end (delta: 107.2 MB). Peak memory consumption was 248.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 940]: 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: 194]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 479]: Loop Invariant
Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive)
- InvariantResult [Line: 480]: Loop Invariant
Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning)
- InvariantResult [Line: 204]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1616 SDtfs, 1201 SDslu, 2901 SDs, 0 SdLazy, 1730 SolverSat, 507 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1070 GetRequests, 1011 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 136 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 656 PreInvPairs, 713 NumberOfFragments, 1329 HoareAnnotationTreeSize, 656 FomulaSimplifications, 1000 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5248 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 910 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 209537 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7438 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 85/103 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...