/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 21:27:21,331 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 21:27:21,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 21:27:21,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 21:27:21,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 21:27:21,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 21:27:21,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 21:27:21,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 21:27:21,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 21:27:21,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 21:27:21,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 21:27:21,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 21:27:21,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 21:27:21,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 21:27:21,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 21:27:21,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 21:27:21,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 21:27:21,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 21:27:21,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 21:27:21,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 21:27:21,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 21:27:21,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 21:27:21,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 21:27:21,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 21:27:21,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 21:27:21,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 21:27:21,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 21:27:21,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 21:27:21,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 21:27:21,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 21:27:21,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 21:27:21,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 21:27:21,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 21:27:21,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 21:27:21,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 21:27:21,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 21:27:21,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 21:27:21,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 21:27:21,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 21:27:21,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 21:27:21,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 21:27:21,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 21:27:21,405 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 21:27:21,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 21:27:21,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 21:27:21,407 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 21:27:21,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 21:27:21,409 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 21:27:21,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 21:27:21,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 21:27:21,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 21:27:21,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 21:27:21,410 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 21:27:21,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 21:27:21,410 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 21:27:21,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 21:27:21,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 21:27:21,411 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 21:27:21,411 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 21:27:21,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 21:27:21,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:27:21,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 21:27:21,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 21:27:21,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 21:27:21,413 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-08-22 21:27:21,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 21:27:21,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 21:27:21,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 21:27:21,752 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 21:27:21,752 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 21:27:21,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c
[2020-08-22 21:27:21,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b51909/9b946c7354194ebc9770d823571f89ef/FLAG6c90b5329
[2020-08-22 21:27:22,320 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 21:27:22,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c
[2020-08-22 21:27:22,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b51909/9b946c7354194ebc9770d823571f89ef/FLAG6c90b5329
[2020-08-22 21:27:22,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b08b51909/9b946c7354194ebc9770d823571f89ef
[2020-08-22 21:27:22,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 21:27:22,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 21:27:22,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 21:27:22,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 21:27:22,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 21:27:22,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:27:22" (1/1) ...
[2020-08-22 21:27:22,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e1ae69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:22, skipping insertion in model container
[2020-08-22 21:27:22,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:27:22" (1/1) ...
[2020-08-22 21:27:22,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 21:27:22,738 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 21:27:23,088 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:27:23,109 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 21:27:23,268 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:27:23,305 INFO L208 MainTranslator]: Completed translation
[2020-08-22 21:27:23,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23 WrapperNode
[2020-08-22 21:27:23,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 21:27:23,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 21:27:23,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 21:27:23,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 21:27:23,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (1/1) ...
[2020-08-22 21:27:23,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 21:27:23,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 21:27:23,415 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 21:27:23,415 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 21:27:23,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (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
[2020-08-22 21:27:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 21:27:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 21:27:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-22 21:27:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-22 21:27:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-22 21:27:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-22 21:27:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-22 21:27:23,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-08-22 21:27:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-22 21:27:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1
[2020-08-22 21:27:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 21:27:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-22 21:27:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-08-22 21:27:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 21:27:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 21:27:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-08-22 21:27:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-22 21:27:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-22 21:27:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1
[2020-08-22 21:27:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 21:27:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-22 21:27:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 21:27:24,644 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 21:27:24,644 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-22 21:27:24,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:27:24 BoogieIcfgContainer
[2020-08-22 21:27:24,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 21:27:24,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 21:27:24,653 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 21:27:24,657 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 21:27:24,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:27:22" (1/3) ...
[2020-08-22 21:27:24,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e193446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:27:24, skipping insertion in model container
[2020-08-22 21:27:24,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:23" (2/3) ...
[2020-08-22 21:27:24,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e193446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:27:24, skipping insertion in model container
[2020-08-22 21:27:24,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:27:24" (3/3) ...
[2020-08-22 21:27:24,661 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product33.cil.c
[2020-08-22 21:27:24,672 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 21:27:24,682 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 21:27:24,697 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 21:27:24,721 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 21:27:24,722 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 21:27:24,722 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 21:27:24,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 21:27:24,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 21:27:24,723 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 21:27:24,723 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 21:27:24,723 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 21:27:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states.
[2020-08-22 21:27:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-08-22 21:27:24,765 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:24,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:24,767 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:24,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:24,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1598852952, now seen corresponding path program 1 times
[2020-08-22 21:27:24,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:24,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209232618]
[2020-08-22 21:27:24,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,461 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:25,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:27:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-08-22 21:27:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:27:25,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209232618]
[2020-08-22 21:27:25,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:27:25,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-22 21:27:25,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577428082]
[2020-08-22 21:27:25,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-22 21:27:25,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:25,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-22 21:27:25,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:27:25,636 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 3 states.
[2020-08-22 21:27:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:26,928 INFO L93 Difference]: Finished difference Result 419 states and 501 transitions.
[2020-08-22 21:27:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-08-22 21:27:26,932 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-08-22 21:27:26,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:26,962 INFO L225 Difference]: With dead ends: 419
[2020-08-22 21:27:26,962 INFO L226 Difference]: Without dead ends: 266
[2020-08-22 21:27:26,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:27:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2020-08-22 21:27:27,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 227.
[2020-08-22 21:27:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states.
[2020-08-22 21:27:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 245 transitions.
[2020-08-22 21:27:27,103 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 245 transitions. Word has length 142
[2020-08-22 21:27:27,104 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:27,105 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 245 transitions.
[2020-08-22 21:27:27,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-22 21:27:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions.
[2020-08-22 21:27:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-08-22 21:27:27,116 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:27,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:27,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 21:27:27,117 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:27,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:27,117 INFO L82 PathProgramCache]: Analyzing trace with hash -469194886, now seen corresponding path program 1 times
[2020-08-22 21:27:27,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:27,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761591467]
[2020-08-22 21:27:27,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,481 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:27,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-08-22 21:27:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:27:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:27:27,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761591467]
[2020-08-22 21:27:27,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:27:27,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-22 21:27:27,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684075869]
[2020-08-22 21:27:27,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-22 21:27:27,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:27,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-22 21:27:27,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-22 21:27:27,557 INFO L87 Difference]: Start difference. First operand 227 states and 245 transitions. Second operand 4 states.
[2020-08-22 21:27:28,167 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:28,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:28,844 INFO L93 Difference]: Finished difference Result 336 states and 376 transitions.
[2020-08-22 21:27:28,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-22 21:27:28,844 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-08-22 21:27:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:28,851 INFO L225 Difference]: With dead ends: 336
[2020-08-22 21:27:28,851 INFO L226 Difference]: Without dead ends: 249
[2020-08-22 21:27:28,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-22 21:27:28,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2020-08-22 21:27:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 217.
[2020-08-22 21:27:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-08-22 21:27:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 232 transitions.
[2020-08-22 21:27:28,925 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 232 transitions. Word has length 143
[2020-08-22 21:27:28,926 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:28,926 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 232 transitions.
[2020-08-22 21:27:28,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-22 21:27:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 232 transitions.
[2020-08-22 21:27:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-08-22 21:27:28,928 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:28,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:28,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 21:27:28,929 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:28,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:28,929 INFO L82 PathProgramCache]: Analyzing trace with hash 162245926, now seen corresponding path program 1 times
[2020-08-22 21:27:28,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:28,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545766611]
[2020-08-22 21:27:28,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,267 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:29,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-08-22 21:27:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-08-22 21:27:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:27:29,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545766611]
[2020-08-22 21:27:29,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:27:29,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 21:27:29,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391730278]
[2020-08-22 21:27:29,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 21:27:29,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:29,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 21:27:29,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-08-22 21:27:29,454 INFO L87 Difference]: Start difference. First operand 217 states and 232 transitions. Second operand 9 states.
[2020-08-22 21:27:30,092 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:30,542 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:30,867 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:31,096 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:31,321 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:31,549 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:32,702 INFO L93 Difference]: Finished difference Result 356 states and 401 transitions.
[2020-08-22 21:27:32,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-08-22 21:27:32,703 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152
[2020-08-22 21:27:32,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:32,708 INFO L225 Difference]: With dead ends: 356
[2020-08-22 21:27:32,708 INFO L226 Difference]: Without dead ends: 249
[2020-08-22 21:27:32,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210
[2020-08-22 21:27:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2020-08-22 21:27:32,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 217.
[2020-08-22 21:27:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states.
[2020-08-22 21:27:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 231 transitions.
[2020-08-22 21:27:32,770 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 231 transitions. Word has length 152
[2020-08-22 21:27:32,771 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:32,771 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 231 transitions.
[2020-08-22 21:27:32,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 21:27:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 231 transitions.
[2020-08-22 21:27:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2020-08-22 21:27:32,773 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:32,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:32,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 21:27:32,774 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:32,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:32,775 INFO L82 PathProgramCache]: Analyzing trace with hash 705113863, now seen corresponding path program 1 times
[2020-08-22 21:27:32,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:32,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596921214]
[2020-08-22 21:27:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,026 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:33,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-08-22 21:27:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138
[2020-08-22 21:27:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2020-08-22 21:27:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:27:33,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596921214]
[2020-08-22 21:27:33,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:27:33,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-22 21:27:33,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918281824]
[2020-08-22 21:27:33,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-22 21:27:33,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:33,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-22 21:27:33,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-08-22 21:27:33,238 INFO L87 Difference]: Start difference. First operand 217 states and 231 transitions. Second operand 6 states.
[2020-08-22 21:27:33,815 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:35,100 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:35,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:35,543 INFO L93 Difference]: Finished difference Result 478 states and 544 transitions.
[2020-08-22 21:27:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2020-08-22 21:27:35,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160
[2020-08-22 21:27:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:35,551 INFO L225 Difference]: With dead ends: 478
[2020-08-22 21:27:35,551 INFO L226 Difference]: Without dead ends: 371
[2020-08-22 21:27:35,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2020-08-22 21:27:35,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2020-08-22 21:27:35,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 312.
[2020-08-22 21:27:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states.
[2020-08-22 21:27:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 336 transitions.
[2020-08-22 21:27:35,698 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 336 transitions. Word has length 160
[2020-08-22 21:27:35,700 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:35,700 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 336 transitions.
[2020-08-22 21:27:35,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-22 21:27:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 336 transitions.
[2020-08-22 21:27:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2020-08-22 21:27:35,703 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:35,703 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:35,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 21:27:35,704 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:35,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:35,705 INFO L82 PathProgramCache]: Analyzing trace with hash 392099313, now seen corresponding path program 1 times
[2020-08-22 21:27:35,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:35,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911981581]
[2020-08-22 21:27:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,067 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:36,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2020-08-22 21:27:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:27:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:27:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162
[2020-08-22 21:27:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-08-22 21:27:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:27:36,337 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911981581]
[2020-08-22 21:27:36,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:27:36,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2020-08-22 21:27:36,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367172662]
[2020-08-22 21:27:36,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-08-22 21:27:36,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:36,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-08-22 21:27:36,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182
[2020-08-22 21:27:36,339 INFO L87 Difference]: Start difference. First operand 312 states and 336 transitions. Second operand 14 states.
[2020-08-22 21:27:36,794 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:37,128 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:37,362 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:37,658 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:37,896 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:38,123 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:38,718 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:39,728 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:39,973 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:40,212 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:40,443 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:40,673 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-08-22 21:27:40,905 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:41,162 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:41,413 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:41,667 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-08-22 21:27:41,916 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:42,782 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:43,007 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:43,314 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:44,033 INFO L93 Difference]: Finished difference Result 916 states and 1098 transitions.
[2020-08-22 21:27:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2020-08-22 21:27:44,034 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 184
[2020-08-22 21:27:44,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:44,040 INFO L225 Difference]: With dead ends: 916
[2020-08-22 21:27:44,040 INFO L226 Difference]: Without dead ends: 714
[2020-08-22 21:27:44,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260
[2020-08-22 21:27:44,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states.
[2020-08-22 21:27:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 617.
[2020-08-22 21:27:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states.
[2020-08-22 21:27:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 687 transitions.
[2020-08-22 21:27:44,242 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 687 transitions. Word has length 184
[2020-08-22 21:27:44,242 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:44,242 INFO L479 AbstractCegarLoop]: Abstraction has 617 states and 687 transitions.
[2020-08-22 21:27:44,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-08-22 21:27:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 687 transitions.
[2020-08-22 21:27:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2020-08-22 21:27:44,247 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:44,247 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:44,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-22 21:27:44,248 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:44,248 INFO L82 PathProgramCache]: Analyzing trace with hash -45879308, now seen corresponding path program 1 times
[2020-08-22 21:27:44,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:44,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115888534]
[2020-08-22 21:27:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,553 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:44,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-08-22 21:27:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-08-22 21:27:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:27:44,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:27:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-22 21:27:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188
[2020-08-22 21:27:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203
[2020-08-22 21:27:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208
[2020-08-22 21:27:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2020-08-22 21:27:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229
[2020-08-22 21:27:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-08-22 21:27:44,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115888534]
[2020-08-22 21:27:44,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-22 21:27:44,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2020-08-22 21:27:44,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288987290]
[2020-08-22 21:27:44,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-08-22 21:27:44,819 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:44,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-08-22 21:27:44,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2020-08-22 21:27:44,820 INFO L87 Difference]: Start difference. First operand 617 states and 687 transitions. Second operand 14 states.
[2020-08-22 21:27:45,323 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:46,054 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:46,716 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:46,972 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-08-22 21:27:47,233 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-08-22 21:27:47,496 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:47,740 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:27:47,998 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193
[2020-08-22 21:27:48,231 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:48,510 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 196
[2020-08-22 21:27:48,738 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:48,994 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:49,280 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:49,523 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:50,969 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:51,200 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:51,439 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-08-22 21:27:51,662 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:51,886 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:52,104 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:52,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:52,648 INFO L93 Difference]: Finished difference Result 1229 states and 1451 transitions.
[2020-08-22 21:27:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2020-08-22 21:27:52,649 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241
[2020-08-22 21:27:52,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:52,654 INFO L225 Difference]: With dead ends: 1229
[2020-08-22 21:27:52,654 INFO L226 Difference]: Without dead ends: 722
[2020-08-22 21:27:52,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=320, Invalid=1402, Unknown=0, NotChecked=0, Total=1722
[2020-08-22 21:27:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states.
[2020-08-22 21:27:52,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 613.
[2020-08-22 21:27:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states.
[2020-08-22 21:27:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 683 transitions.
[2020-08-22 21:27:52,840 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 683 transitions. Word has length 241
[2020-08-22 21:27:52,841 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:52,841 INFO L479 AbstractCegarLoop]: Abstraction has 613 states and 683 transitions.
[2020-08-22 21:27:52,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-08-22 21:27:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 683 transitions.
[2020-08-22 21:27:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2020-08-22 21:27:52,845 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:52,845 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:52,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-22 21:27:52,846 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:52,846 INFO L82 PathProgramCache]: Analyzing trace with hash 440058570, now seen corresponding path program 1 times
[2020-08-22 21:27:52,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:52,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2098243019]
[2020-08-22 21:27:52,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,119 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:53,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-08-22 21:27:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:27:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:27:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-22 21:27:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193
[2020-08-22 21:27:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199
[2020-08-22 21:27:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210
[2020-08-22 21:27:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220
[2020-08-22 21:27:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-08-22 21:27:53,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2098243019]
[2020-08-22 21:27:53,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-22 21:27:53,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2020-08-22 21:27:53,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786240839]
[2020-08-22 21:27:53,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-08-22 21:27:53,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:53,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-08-22 21:27:53,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2020-08-22 21:27:53,386 INFO L87 Difference]: Start difference. First operand 613 states and 683 transitions. Second operand 14 states.
[2020-08-22 21:27:53,887 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:27:54,118 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:27:54,363 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:54,591 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:54,805 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:55,504 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:55,722 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:55,957 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:56,199 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:27:56,419 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:27:57,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:27:57,319 INFO L93 Difference]: Finished difference Result 1053 states and 1208 transitions.
[2020-08-22 21:27:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-08-22 21:27:57,322 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 232
[2020-08-22 21:27:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:27:57,326 INFO L225 Difference]: With dead ends: 1053
[2020-08-22 21:27:57,327 INFO L226 Difference]: Without dead ends: 550
[2020-08-22 21:27:57,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552
[2020-08-22 21:27:57,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states.
[2020-08-22 21:27:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 508.
[2020-08-22 21:27:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states.
[2020-08-22 21:27:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 562 transitions.
[2020-08-22 21:27:57,497 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 562 transitions. Word has length 232
[2020-08-22 21:27:57,498 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:27:57,498 INFO L479 AbstractCegarLoop]: Abstraction has 508 states and 562 transitions.
[2020-08-22 21:27:57,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-08-22 21:27:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 562 transitions.
[2020-08-22 21:27:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238
[2020-08-22 21:27:57,502 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:27:57,502 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:27:57,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-08-22 21:27:57,502 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:27:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:27:57,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1204398017, now seen corresponding path program 1 times
[2020-08-22 21:27:57,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:27:57,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500317981]
[2020-08-22 21:27:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:27:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,784 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:27:57,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:27:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:27:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:27:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:27:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:27:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2020-08-22 21:27:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-08-22 21:27:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:27:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:27:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35
[2020-08-22 21:27:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198
[2020-08-22 21:27:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204
[2020-08-22 21:27:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:27:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215
[2020-08-22 21:27:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225
[2020-08-22 21:27:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:27:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2020-08-22 21:27:57,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500317981]
[2020-08-22 21:27:57,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-08-22 21:27:57,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2020-08-22 21:27:57,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899543007]
[2020-08-22 21:27:57,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states
[2020-08-22 21:27:57,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:27:57,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2020-08-22 21:27:57,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2020-08-22 21:27:57,992 INFO L87 Difference]: Start difference. First operand 508 states and 562 transitions. Second operand 13 states.
[2020-08-22 21:27:58,480 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:27:59,205 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:28:00,192 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:28:00,444 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:28:00,703 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:28:00,945 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:28:01,187 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:28:01,445 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:28:01,700 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:28:01,957 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:28:02,234 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:28:02,486 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:28:03,293 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:28:03,522 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:28:04,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:28:04,513 INFO L93 Difference]: Finished difference Result 1105 states and 1307 transitions.
[2020-08-22 21:28:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2020-08-22 21:28:04,519 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 237
[2020-08-22 21:28:04,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:28:04,524 INFO L225 Difference]: With dead ends: 1105
[2020-08-22 21:28:04,524 INFO L226 Difference]: Without dead ends: 788
[2020-08-22 21:28:04,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190
[2020-08-22 21:28:04,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states.
[2020-08-22 21:28:04,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 651.
[2020-08-22 21:28:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states.
[2020-08-22 21:28:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 731 transitions.
[2020-08-22 21:28:04,820 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 731 transitions. Word has length 237
[2020-08-22 21:28:04,821 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:28:04,821 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 731 transitions.
[2020-08-22 21:28:04,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2020-08-22 21:28:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 731 transitions.
[2020-08-22 21:28:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285
[2020-08-22 21:28:04,828 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:28:04,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:28:04,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-08-22 21:28:04,829 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:28:04,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:28:04,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1574385309, now seen corresponding path program 2 times
[2020-08-22 21:28:04,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:28:04,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121299032]
[2020-08-22 21:28:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:28:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:28:04,937 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:28:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:28:05,010 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:28:05,294 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 21:28:05,294 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 21:28:05,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-08-22 21:28:05,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:28:05 BoogieIcfgContainer
[2020-08-22 21:28:05,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 21:28:05,561 INFO L168 Benchmark]: Toolchain (without parser) took 42908.48 ms. Allocated memory was 137.9 MB in the beginning and 811.1 MB in the end (delta: 673.2 MB). Free memory was 100.7 MB in the beginning and 345.3 MB in the end (delta: -244.6 MB). Peak memory consumption was 428.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,562 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.22 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.4 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,572 INFO L168 Benchmark]: Boogie Preprocessor took 108.52 ms. Allocated memory is still 201.9 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,574 INFO L168 Benchmark]: RCFGBuilder took 1236.85 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 168.2 MB in the beginning and 179.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,577 INFO L168 Benchmark]: TraceAbstraction took 40905.92 ms. Allocated memory was 232.8 MB in the beginning and 811.1 MB in the end (delta: 578.3 MB). Free memory was 179.8 MB in the beginning and 345.3 MB in the end (delta: -165.5 MB). Peak memory consumption was 412.7 MB. Max. memory is 7.1 GB.
[2020-08-22 21:28:05,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 652.22 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.5 MB in the beginning and 172.4 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 108.52 ms. Allocated memory is still 201.9 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1236.85 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 168.2 MB in the beginning and 179.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 40905.92 ms. Allocated memory was 232.8 MB in the beginning and 811.1 MB in the end (delta: 578.3 MB). Free memory was 179.8 MB in the beginning and 345.3 MB in the end (delta: -165.5 MB). Peak memory consumption was 412.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 869]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=172, head={0:0}, methaneLevelCritical=147, pumpRunning=137, systemActive=136, waterLevel=140]
[L406] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=137, systemActive=136, waterLevel=140]
[L615] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=137, systemActive=136, waterLevel=1]
[L616] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=137, systemActive=136, waterLevel=1]
[L712] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=136, waterLevel=1]
[L713] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L487] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L488] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L492] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L493] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L494] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L536] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L539] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L540] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L494] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L494] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L496] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L498] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L499] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L478] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L546] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L547] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L548] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L549] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L550] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L553] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L555] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L557] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L563] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L565] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L567] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L633] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L634] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L567] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L573] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L575] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L583] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L585] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L598] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L720] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L727] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L729] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L749] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L752] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L754] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L846] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L847] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L848] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L852] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L695] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L698] COND FALSE !(waterLevel < 2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L702] retValue_acc = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L703] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L852] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L852] tmp = isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L854] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L857] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L859] retValue_acc = tmp___0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L860] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L754] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L754] tmp = isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L756] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L758] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L777] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L758] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L729] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L735] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L875] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L876] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L880] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L686] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L689] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L690] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2]
[L880] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L880] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L882] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2]
[L735] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L598] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L555] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L557] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2]
[L563] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L565] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L573] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L575] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L583] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L585] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2]
[L598] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L720] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L722] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L621] COND TRUE waterLevel > 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L622] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L722] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L727] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L729] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L749] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L752] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L767] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L729] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L735] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L875] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L876] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L880] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L686] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L689] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L690] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1]
[L880] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L880] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L882] COND FALSE !(tmp == 0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1]
[L735] RET __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L598] RET timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L555] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L557] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L563] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L565] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L573] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L575] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L583] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L585] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1]
[L598] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L720] COND TRUE \read(pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L722] CALL lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L621] COND TRUE waterLevel > 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L622] waterLevel = waterLevel - 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L722] RET lowerWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L727] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L729] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L749] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L752] COND FALSE !(! pumpRunning)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L767] FCALL processEnvironment__wrappee__base()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L729] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L735] CALL __utac_acc__Specification4_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L875] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L876] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L880] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L686] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L689] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L690] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0]
[L880] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L880] tmp = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L882] COND TRUE tmp == 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L884] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L801] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L804] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L805] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0]
[L884] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0]
[L884] tmp___0 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L886] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0]
[L888] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L869] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 37 procedures, 606 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 34.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1787 SDtfs, 3671 SDslu, 4515 SDs, 0 SdLazy, 8472 SolverSat, 1037 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 224 SyntacticMatches, 7 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=651occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 547 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1775 NumberOfCodeBlocks, 1775 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1483 ConstructedInterpolants, 0 QuantifiedInterpolants, 697154 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 99/110 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 incorrect!
Received shutdown request...