/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_spec3_product23.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 21:22:48,285 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 21:22:48,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 21:22:48,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 21:22:48,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 21:22:48,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 21:22:48,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 21:22:48,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 21:22:48,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 21:22:48,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 21:22:48,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 21:22:48,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 21:22:48,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 21:22:48,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 21:22:48,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 21:22:48,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 21:22:48,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 21:22:48,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 21:22:48,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 21:22:48,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 21:22:48,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 21:22:48,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 21:22:48,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 21:22:48,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 21:22:48,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 21:22:48,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 21:22:48,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 21:22:48,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 21:22:48,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 21:22:48,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 21:22:48,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 21:22:48,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 21:22:48,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 21:22:48,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 21:22:48,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 21:22:48,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 21:22:48,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 21:22:48,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 21:22:48,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 21:22:48,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 21:22:48,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 21:22:48,346 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 21:22:48,355 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 21:22:48,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 21:22:48,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 21:22:48,357 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 21:22:48,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 21:22:48,358 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 21:22:48,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 21:22:48,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 21:22:48,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 21:22:48,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 21:22:48,359 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 21:22:48,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 21:22:48,359 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 21:22:48,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 21:22:48,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 21:22:48,359 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 21:22:48,360 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 21:22:48,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 21:22:48,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:22:48,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 21:22:48,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 21:22:48,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 21:22:48,361 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 21:22:48,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 21:22:48,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 21:22:48,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 21:22:48,682 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 21:22:48,683 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 21:22:48,683 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c
[2020-08-22 21:22:48,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779fcba46/07ef6331e2044ac6a67dadff8ee9fb55/FLAGb05e0f635
[2020-08-22 21:22:49,276 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 21:22:49,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product23.cil.c
[2020-08-22 21:22:49,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779fcba46/07ef6331e2044ac6a67dadff8ee9fb55/FLAGb05e0f635
[2020-08-22 21:22:49,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779fcba46/07ef6331e2044ac6a67dadff8ee9fb55
[2020-08-22 21:22:49,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 21:22:49,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 21:22:49,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 21:22:49,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 21:22:49,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 21:22:49,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:49" (1/1) ...
[2020-08-22 21:22:49,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443cf995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:49, skipping insertion in model container
[2020-08-22 21:22:49,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:49" (1/1) ...
[2020-08-22 21:22:49,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 21:22:49,659 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 21:22:50,102 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:22:50,114 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 21:22:50,207 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:22:50,254 INFO L208 MainTranslator]: Completed translation
[2020-08-22 21:22:50,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50 WrapperNode
[2020-08-22 21:22:50,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 21:22:50,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 21:22:50,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 21:22:50,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 21:22:50,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (1/1) ...
[2020-08-22 21:22:50,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 21:22:50,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 21:22:50,347 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 21:22:50,347 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 21:22:50,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (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 21:22:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 21:22:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 21:22:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-22 21:22:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-22 21:22:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2020-08-22 21:22:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2020-08-22 21:22:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-22 21:22:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-22 21:22:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2020-08-22 21:22:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-22 21:22:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-22 21:22:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-22 21:22:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-22 21:22:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-22 21:22:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-22 21:22:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2020-08-22 21:22:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-22 21:22:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-08-22 21:22:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-22 21:22:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-22 21:22:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-08-22 21:22:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-22 21:22:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 21:22:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-22 21:22:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-22 21:22:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-22 21:22:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:22:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-22 21:22:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-22 21:22:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-22 21:22:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-22 21:22:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-22 21:22:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-22 21:22:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2020-08-22 21:22:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-22 21:22:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-08-22 21:22:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-22 21:22:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-22 21:22:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-08-22 21:22:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-22 21:22:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-08-22 21:22:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-08-22 21:22:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-22 21:22:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-08-22 21:22:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-22 21:22:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 21:22:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-22 21:22:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 21:22:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-08-22 21:22:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-22 21:22:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 21:22:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-22 21:22:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 21:22:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-22 21:22:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-22 21:22:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 21:22:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:22:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:22:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 21:22:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-22 21:22:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-22 21:22:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-22 21:22:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-08-22 21:22:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 21:22:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-22 21:22:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 21:22:51,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 21:22:51,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-22 21:22:51,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:22:51 BoogieIcfgContainer
[2020-08-22 21:22:51,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 21:22:51,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 21:22:51,568 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 21:22:51,572 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 21:22:51,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:22:49" (1/3) ...
[2020-08-22 21:22:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f86965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:22:51, skipping insertion in model container
[2020-08-22 21:22:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:50" (2/3) ...
[2020-08-22 21:22:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f86965e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:22:51, skipping insertion in model container
[2020-08-22 21:22:51,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:22:51" (3/3) ...
[2020-08-22 21:22:51,575 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product23.cil.c
[2020-08-22 21:22:51,587 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 21:22:51,596 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 21:22:51,611 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 21:22:51,635 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 21:22:51,636 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 21:22:51,636 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 21:22:51,636 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 21:22:51,637 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 21:22:51,637 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 21:22:51,637 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 21:22:51,637 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 21:22:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states.
[2020-08-22 21:22:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2020-08-22 21:22:51,686 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:51,687 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]
[2020-08-22 21:22:51,688 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:51,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:51,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2023786864, now seen corresponding path program 1 times
[2020-08-22 21:22:51,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:51,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640476915]
[2020-08-22 21:22:51,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,433 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-08-22 21:22:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:22:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-08-22 21:22:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:52,616 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 21:22:52,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640476915]
[2020-08-22 21:22:52,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:52,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-22 21:22:52,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490804718]
[2020-08-22 21:22:52,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-22 21:22:52,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:52,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-22 21:22:52,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:22:52,642 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states.
[2020-08-22 21:22:54,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:54,142 INFO L93 Difference]: Finished difference Result 491 states and 589 transitions.
[2020-08-22 21:22:54,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-08-22 21:22:54,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153
[2020-08-22 21:22:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:54,161 INFO L225 Difference]: With dead ends: 491
[2020-08-22 21:22:54,162 INFO L226 Difference]: Without dead ends: 304
[2020-08-22 21:22:54,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 21:22:54,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states.
[2020-08-22 21:22:54,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 261.
[2020-08-22 21:22:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states.
[2020-08-22 21:22:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 286 transitions.
[2020-08-22 21:22:54,308 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 286 transitions. Word has length 153
[2020-08-22 21:22:54,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:54,309 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 286 transitions.
[2020-08-22 21:22:54,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-22 21:22:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 286 transitions.
[2020-08-22 21:22:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2020-08-22 21:22:54,314 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:54,314 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]
[2020-08-22 21:22:54,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 21:22:54,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash 936864637, now seen corresponding path program 1 times
[2020-08-22 21:22:54,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:54,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463023182]
[2020-08-22 21:22:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,672 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122
[2020-08-22 21:22:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2020-08-22 21:22:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142
[2020-08-22 21:22:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:54,798 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 21:22:54,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463023182]
[2020-08-22 21:22:54,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:54,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-22 21:22:54,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677969241]
[2020-08-22 21:22:54,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-22 21:22:54,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:54,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-22 21:22:54,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-22 21:22:54,805 INFO L87 Difference]: Start difference. First operand 261 states and 286 transitions. Second operand 4 states.
[2020-08-22 21:22:55,508 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:22:56,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:22:56,528 INFO L93 Difference]: Finished difference Result 402 states and 456 transitions.
[2020-08-22 21:22:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-22 21:22:56,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154
[2020-08-22 21:22:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:22:56,533 INFO L225 Difference]: With dead ends: 402
[2020-08-22 21:22:56,533 INFO L226 Difference]: Without dead ends: 287
[2020-08-22 21:22:56,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-22 21:22:56,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states.
[2020-08-22 21:22:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251.
[2020-08-22 21:22:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states.
[2020-08-22 21:22:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 273 transitions.
[2020-08-22 21:22:56,624 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 273 transitions. Word has length 154
[2020-08-22 21:22:56,625 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:22:56,625 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 273 transitions.
[2020-08-22 21:22:56,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-22 21:22:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions.
[2020-08-22 21:22:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2020-08-22 21:22:56,628 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:22:56,628 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]
[2020-08-22 21:22:56,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 21:22:56,629 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:22:56,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:22:56,629 INFO L82 PathProgramCache]: Analyzing trace with hash -367935570, now seen corresponding path program 1 times
[2020-08-22 21:22:56,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:22:56,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510050604]
[2020-08-22 21:22:56,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:22:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:56,950 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:22:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:22:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:22:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:22:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:22:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:22:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:22:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2020-08-22 21:22:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151
[2020-08-22 21:22:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:22:57,156 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 21:22:57,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510050604]
[2020-08-22 21:22:57,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:22:57,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 21:22:57,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397963641]
[2020-08-22 21:22:57,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 21:22:57,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:22:57,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 21:22:57,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-08-22 21:22:57,161 INFO L87 Difference]: Start difference. First operand 251 states and 273 transitions. Second operand 9 states.
[2020-08-22 21:22:57,822 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:22:58,157 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:22:58,444 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:22:58,694 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:22:58,946 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:22:59,162 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:23:00,158 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:23:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:23:02,484 INFO L93 Difference]: Finished difference Result 675 states and 782 transitions.
[2020-08-22 21:23:02,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-08-22 21:23:02,484 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163
[2020-08-22 21:23:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:23:02,491 INFO L225 Difference]: With dead ends: 675
[2020-08-22 21:23:02,491 INFO L226 Difference]: Without dead ends: 534
[2020-08-22 21:23:02,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2020-08-22 21:23:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states.
[2020-08-22 21:23:02,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 467.
[2020-08-22 21:23:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states.
[2020-08-22 21:23:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 526 transitions.
[2020-08-22 21:23:02,681 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 526 transitions. Word has length 163
[2020-08-22 21:23:02,681 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:23:02,682 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 526 transitions.
[2020-08-22 21:23:02,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 21:23:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 526 transitions.
[2020-08-22 21:23:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2020-08-22 21:23:02,686 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:23:02,686 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]
[2020-08-22 21:23:02,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 21:23:02,687 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:23:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:23:02,687 INFO L82 PathProgramCache]: Analyzing trace with hash 586608814, now seen corresponding path program 1 times
[2020-08-22 21:23:02,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:23:02,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189613683]
[2020-08-22 21:23:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:23:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,035 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:23:03,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:23:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:23:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:23:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:23:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:23:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-08-22 21:23:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2020-08-22 21:23:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150
[2020-08-22 21:23:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160
[2020-08-22 21:23:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:03,260 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 21:23:03,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189613683]
[2020-08-22 21:23:03,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:23:03,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 21:23:03,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537076838]
[2020-08-22 21:23:03,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 21:23:03,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:23:03,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 21:23:03,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-08-22 21:23:03,267 INFO L87 Difference]: Start difference. First operand 467 states and 526 transitions. Second operand 9 states.
[2020-08-22 21:23:03,951 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:23:05,974 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:23:06,276 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:23:06,565 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:23:06,860 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:23:07,099 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:23:07,345 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:23:07,587 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:23:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:23:08,436 INFO L93 Difference]: Finished difference Result 1264 states and 1525 transitions.
[2020-08-22 21:23:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2020-08-22 21:23:08,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172
[2020-08-22 21:23:08,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:23:08,445 INFO L225 Difference]: With dead ends: 1264
[2020-08-22 21:23:08,445 INFO L226 Difference]: Without dead ends: 907
[2020-08-22 21:23:08,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306
[2020-08-22 21:23:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states.
[2020-08-22 21:23:08,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 807.
[2020-08-22 21:23:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states.
[2020-08-22 21:23:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 935 transitions.
[2020-08-22 21:23:08,727 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 935 transitions. Word has length 172
[2020-08-22 21:23:08,728 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:23:08,728 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 935 transitions.
[2020-08-22 21:23:08,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 21:23:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 935 transitions.
[2020-08-22 21:23:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-08-22 21:23:08,732 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:23:08,732 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]
[2020-08-22 21:23:08,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 21:23:08,733 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:23:08,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:23:08,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1309262380, now seen corresponding path program 1 times
[2020-08-22 21:23:08,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:23:08,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [412838824]
[2020-08-22 21:23:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:23:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,121 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:23:09,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:23:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:23:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:23:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:23:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:23:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-08-22 21:23:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135
[2020-08-22 21:23:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145
[2020-08-22 21:23:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155
[2020-08-22 21:23:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165
[2020-08-22 21:23:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:23:09,272 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 21:23:09,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [412838824]
[2020-08-22 21:23:09,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:23:09,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-08-22 21:23:09,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824255350]
[2020-08-22 21:23:09,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-08-22 21:23:09,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:23:09,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-08-22 21:23:09,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-08-22 21:23:09,275 INFO L87 Difference]: Start difference. First operand 807 states and 935 transitions. Second operand 6 states.
[2020-08-22 21:23:09,708 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:23:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:23:10,712 INFO L93 Difference]: Finished difference Result 1289 states and 1536 transitions.
[2020-08-22 21:23:10,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-08-22 21:23:10,714 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 177
[2020-08-22 21:23:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:23:10,725 INFO L225 Difference]: With dead ends: 1289
[2020-08-22 21:23:10,727 INFO L226 Difference]: Without dead ends: 592
[2020-08-22 21:23:10,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110
[2020-08-22 21:23:10,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states.
[2020-08-22 21:23:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 562.
[2020-08-22 21:23:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states.
[2020-08-22 21:23:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 613 transitions.
[2020-08-22 21:23:11,039 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 613 transitions. Word has length 177
[2020-08-22 21:23:11,040 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:23:11,040 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 613 transitions.
[2020-08-22 21:23:11,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-08-22 21:23:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 613 transitions.
[2020-08-22 21:23:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2020-08-22 21:23:11,044 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:23:11,044 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]
[2020-08-22 21:23:11,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-22 21:23:11,045 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:23:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:23:11,045 INFO L82 PathProgramCache]: Analyzing trace with hash 95529110, now seen corresponding path program 1 times
[2020-08-22 21:23:11,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:23:11,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416138711]
[2020-08-22 21:23:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:23:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:23:11,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:23:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:23:11,203 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:23:11,396 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 21:23:11,396 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 21:23:11,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-22 21:23:11,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:23:11 BoogieIcfgContainer
[2020-08-22 21:23:11,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 21:23:11,653 INFO L168 Benchmark]: Toolchain (without parser) took 22053.44 ms. Allocated memory was 146.3 MB in the beginning and 600.8 MB in the end (delta: 454.6 MB). Free memory was 102.0 MB in the beginning and 286.7 MB in the end (delta: -184.7 MB). Peak memory consumption was 269.8 MB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,654 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.61 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 170.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,655 INFO L168 Benchmark]: Boogie Preprocessor took 90.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,656 INFO L168 Benchmark]: RCFGBuilder took 1219.77 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 174.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,657 INFO L168 Benchmark]: TraceAbstraction took 20083.18 ms. Allocated memory was 236.5 MB in the beginning and 600.8 MB in the end (delta: 364.4 MB). Free memory was 174.1 MB in the beginning and 286.7 MB in the end (delta: -112.6 MB). Peak memory consumption was 251.7 MB. Max. memory is 7.1 GB.
[2020-08-22 21:23:11,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 654.61 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 170.1 MB in the end (delta: -68.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 90.75 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1219.77 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 174.1 MB in the end (delta: -8.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 20083.18 ms. Allocated memory was 236.5 MB in the beginning and 600.8 MB in the end (delta: 364.4 MB). Free memory was 174.1 MB in the beginning and 286.7 MB in the end (delta: -112.6 MB). Peak memory consumption was 251.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 541]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L47] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=174, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=174, head={176:169}, methaneLevelCritical=145, pumpRunning=135, systemActive=134, waterLevel=1]
[L48] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=174, head={176:169}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1]
[L177] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=174, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=134, waterLevel=1]
[L178] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=174, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L438] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=169, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={176:169}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=174, \old(head)=169, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L514] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L515] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L519] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L520] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L521] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L938] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L941] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L942] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L521] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L521] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L523] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L525] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L526] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L505] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L372] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L373] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L374] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L375] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L376] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L379] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L381] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L383] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L389] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L391] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L393] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L65] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L66] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L393] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L399] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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]
[L401] COND FALSE !(\read(tmp___0))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L409] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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, tmp___2=0, waterLevel=2]
[L411] COND FALSE !(\read(tmp___2))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2]
[L415] tmp___1 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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___1=1, tmp___2=0, waterLevel=2]
[L417] COND TRUE \read(tmp___1)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L419] CALL stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L358] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L365] systemActive = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L419] RET stopSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2]
[L426] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L184] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L191] COND FALSE !(\read(systemActive))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L199] CALL __utac_acc__Specification3_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L139] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L140] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L141] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L145] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L86] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L89] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L90] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L145] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L145] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L147] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L151] CALL, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L118] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L121] retValue_acc = waterLevel
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L122] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2]
[L151] RET, EXPR getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2]
[L151] tmp___0 = getWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L153] COND TRUE tmp___0 == 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L155] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L291] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L294] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L295] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2]
[L155] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2]
[L155] tmp___1 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L157] COND FALSE !(\read(tmp___1))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2]
[L161] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L541] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 627 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 19.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1185 SDtfs, 1618 SDslu, 1507 SDs, 0 SdLazy, 3481 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 5 MinimizatonAttempts, 276 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 814 ConstructedInterpolants, 0 QuantifiedInterpolants, 342900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...