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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-13 21:22:48,568 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-13 21:22:48,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-13 21:22:48,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-13 21:22:48,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-13 21:22:48,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-13 21:22:48,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-13 21:22:48,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-13 21:22:48,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-13 21:22:48,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-13 21:22:48,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-10-13 21:22:48,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-10-13 21:22:48,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-13 21:22:48,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-13 21:22:48,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-13 21:22:48,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-13 21:22:48,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-13 21:22:48,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-13 21:22:48,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-13 21:22:48,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-13 21:22:48,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-13 21:22:48,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-10-13 21:22:48,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-10-13 21:22:48,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-13 21:22:48,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-10-13 21:22:48,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-10-13 21:22:48,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-13 21:22:48,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-13 21:22:48,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-10-13 21:22:48,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-10-13 21:22:48,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-10-13 21:22:48,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-10-13 21:22:48,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-10-13 21:22:48,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-10-13 21:22:48,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-10-13 21:22:48,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-10-13 21:22:48,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-10-13 21:22:48,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-10-13 21:22:48,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-10-13 21:22:48,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-10-13 21:22:48,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-13 21:22:48,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-13 21:22:48,684 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-13 21:22:48,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-13 21:22:48,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-13 21:22:48,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-13 21:22:48,685 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-13 21:22:48,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-13 21:22:48,686 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-13 21:22:48,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-13 21:22:48,686 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-13 21:22:48,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-13 21:22:48,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-13 21:22:48,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-13 21:22:48,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-13 21:22:48,687 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-13 21:22:48,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-13 21:22:48,688 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-13 21:22:48,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-13 21:22:48,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-13 21:22:48,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-13 21:22:48,688 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-13 21:22:48,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-13 21:22:48,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-13 21:22:48,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-13 21:22:48,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-13 21:22:48,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-13 21:22:48,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-13 21:22:48,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-13 21:22:48,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-13 21:22:48,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES
[2019-10-13 21:22:48,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-13 21:22:48,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-13 21:22:48,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-13 21:22:48,997 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-13 21:22:48,997 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-13 21:22:48,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c
[2019-10-13 21:22:49,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527735b14/711a961340f94c4d82974e70104129e5/FLAGc2754ea1e
[2019-10-13 21:22:49,652 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-13 21:22:49,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c
[2019-10-13 21:22:49,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527735b14/711a961340f94c4d82974e70104129e5/FLAGc2754ea1e
[2019-10-13 21:22:49,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/527735b14/711a961340f94c4d82974e70104129e5
[2019-10-13 21:22:49,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-13 21:22:49,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-13 21:22:49,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-13 21:22:49,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-13 21:22:49,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-13 21:22:49,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ...
[2019-10-13 21:22:49,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d46bbee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:49, skipping insertion in model container
[2019-10-13 21:22:49,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:49" (1/1) ...
[2019-10-13 21:22:49,958 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-13 21:22:50,024 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-13 21:22:50,473 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:22:50,492 INFO L188 MainTranslator]: Completed pre-run
[2019-10-13 21:22:50,638 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-13 21:22:50,676 INFO L192 MainTranslator]: Completed translation
[2019-10-13 21:22:50,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50 WrapperNode
[2019-10-13 21:22:50,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-13 21:22:50,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-13 21:22:50,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-13 21:22:50,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-13 21:22:50,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (1/1) ...
[2019-10-13 21:22:50,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-13 21:22:50,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-13 21:22:50,782 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-13 21:22:50,782 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-13 21:22:50,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 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
[2019-10-13 21:22:50,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-13 21:22:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-13 21:22:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-10-13 21:22:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-10-13 21:22:50,872 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2019-10-13 21:22:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2019-10-13 21:22:50,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-13 21:22:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2019-10-13 21:22:50,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2019-10-13 21:22:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2019-10-13 21:22:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2019-10-13 21:22:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2019-10-13 21:22:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2019-10-13 21:22:50,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2019-10-13 21:22:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel
[2019-10-13 21:22:50,877 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2019-10-13 21:22:50,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2019-10-13 21:22:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2019-10-13 21:22:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2019-10-13 21:22:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2019-10-13 21:22:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2019-10-13 21:22:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2019-10-13 21:22:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2019-10-13 21:22:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2019-10-13 21:22:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry
[2019-10-13 21:22:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-10-13 21:22:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-10-13 21:22:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-10-13 21:22:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-10-13 21:22:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-10-13 21:22:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-10-13 21:22:50,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1
[2019-10-13 21:22:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2
[2019-10-13 21:22:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3
[2019-10-13 21:22:50,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2019-10-13 21:22:50,884 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2019-10-13 21:22:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-13 21:22:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-13 21:22:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-13 21:22:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2019-10-13 21:22:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-10-13 21:22:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2019-10-13 21:22:50,886 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2019-10-13 21:22:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2019-10-13 21:22:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2019-10-13 21:22:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2019-10-13 21:22:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel
[2019-10-13 21:22:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2019-10-13 21:22:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2019-10-13 21:22:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-10-13 21:22:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-10-13 21:22:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-10-13 21:22:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-10-13 21:22:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-10-13 21:22:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-10-13 21:22:50,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-10-13 21:22:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-10-13 21:22:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-10-13 21:22:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-13 21:22:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-10-13 21:22:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-10-13 21:22:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-10-13 21:22:50,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2019-10-13 21:22:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-13 21:22:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2019-10-13 21:22:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-13 21:22:52,061 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-13 21:22:52,063 INFO L284 CfgBuilder]: Removed 5 assume(true) statements.
[2019-10-13 21:22:52,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:52 BoogieIcfgContainer
[2019-10-13 21:22:52,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-13 21:22:52,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-10-13 21:22:52,066 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-10-13 21:22:52,070 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-10-13 21:22:52,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:49" (1/3) ...
[2019-10-13 21:22:52,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a6998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:52, skipping insertion in model container
[2019-10-13 21:22:52,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:50" (2/3) ...
[2019-10-13 21:22:52,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a6998a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:52, skipping insertion in model container
[2019-10-13 21:22:52,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:52" (3/3) ...
[2019-10-13 21:22:52,075 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c
[2019-10-13 21:22:52,086 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-10-13 21:22:52,095 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-10-13 21:22:52,107 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-10-13 21:22:52,147 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-10-13 21:22:52,147 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-10-13 21:22:52,147 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-10-13 21:22:52,147 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-10-13 21:22:52,148 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-10-13 21:22:52,148 INFO L378 AbstractCegarLoop]: Difference is false
[2019-10-13 21:22:52,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-10-13 21:22:52,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-10-13 21:22:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states.
[2019-10-13 21:22:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2019-10-13 21:22:52,187 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:52,188 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:52,190 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:52,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:52,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2053229239, now seen corresponding path program 1 times
[2019-10-13 21:22:52,206 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:52,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104039018]
[2019-10-13 21:22:52,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:52,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104039018]
[2019-10-13 21:22:52,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:52,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2019-10-13 21:22:52,627 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602477419]
[2019-10-13 21:22:52,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 21:22:52,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 21:22:52,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:52,652 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states.
[2019-10-13 21:22:52,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:52,698 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions.
[2019-10-13 21:22:52,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 21:22:52,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59
[2019-10-13 21:22:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:52,714 INFO L225 Difference]: With dead ends: 280
[2019-10-13 21:22:52,715 INFO L226 Difference]: Without dead ends: 142
[2019-10-13 21:22:52,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:52,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2019-10-13 21:22:52,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2019-10-13 21:22:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states.
[2019-10-13 21:22:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions.
[2019-10-13 21:22:52,783 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59
[2019-10-13 21:22:52,784 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:52,784 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions.
[2019-10-13 21:22:52,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 21:22:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions.
[2019-10-13 21:22:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2019-10-13 21:22:52,788 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:52,788 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:52,789 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:52,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:52,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1701396789, now seen corresponding path program 1 times
[2019-10-13 21:22:52,790 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:52,790 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258603097]
[2019-10-13 21:22:52,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,790 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:52,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258603097]
[2019-10-13 21:22:52,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:52,904 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2019-10-13 21:22:52,904 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815889041]
[2019-10-13 21:22:52,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states
[2019-10-13 21:22:52,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:52,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2019-10-13 21:22:52,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:22:52,909 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states.
[2019-10-13 21:22:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:52,951 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions.
[2019-10-13 21:22:52,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2019-10-13 21:22:52,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60
[2019-10-13 21:22:52,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:52,955 INFO L225 Difference]: With dead ends: 225
[2019-10-13 21:22:52,955 INFO L226 Difference]: Without dead ends: 133
[2019-10-13 21:22:52,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2019-10-13 21:22:52,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2019-10-13 21:22:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133.
[2019-10-13 21:22:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states.
[2019-10-13 21:22:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions.
[2019-10-13 21:22:52,972 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60
[2019-10-13 21:22:52,973 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:52,973 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions.
[2019-10-13 21:22:52,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2019-10-13 21:22:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions.
[2019-10-13 21:22:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2019-10-13 21:22:52,976 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:52,976 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:52,976 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:52,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:52,977 INFO L82 PathProgramCache]: Analyzing trace with hash -835538636, now seen corresponding path program 1 times
[2019-10-13 21:22:52,977 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:52,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169971475]
[2019-10-13 21:22:52,977 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,978 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:52,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:53,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169971475]
[2019-10-13 21:22:53,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:53,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:22:53,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854872781]
[2019-10-13 21:22:53,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:22:53,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:53,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:22:53,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:53,170 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 7 states.
[2019-10-13 21:22:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:53,577 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions.
[2019-10-13 21:22:53,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-10-13 21:22:53,578 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65
[2019-10-13 21:22:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:53,580 INFO L225 Difference]: With dead ends: 238
[2019-10-13 21:22:53,581 INFO L226 Difference]: Without dead ends: 133
[2019-10-13 21:22:53,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2019-10-13 21:22:53,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states.
[2019-10-13 21:22:53,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133.
[2019-10-13 21:22:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states.
[2019-10-13 21:22:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions.
[2019-10-13 21:22:53,598 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65
[2019-10-13 21:22:53,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:53,601 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions.
[2019-10-13 21:22:53,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:22:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions.
[2019-10-13 21:22:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2019-10-13 21:22:53,632 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:53,633 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:53,633 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:53,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:53,633 INFO L82 PathProgramCache]: Analyzing trace with hash -192684169, now seen corresponding path program 1 times
[2019-10-13 21:22:53,634 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:53,634 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641911573]
[2019-10-13 21:22:53,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:53,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:53,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:53,753 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641911573]
[2019-10-13 21:22:53,753 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:53,753 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2019-10-13 21:22:53,753 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879228927]
[2019-10-13 21:22:53,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states
[2019-10-13 21:22:53,754 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:53,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2019-10-13 21:22:53,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2019-10-13 21:22:53,755 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states.
[2019-10-13 21:22:54,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:54,338 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions.
[2019-10-13 21:22:54,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2019-10-13 21:22:54,339 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78
[2019-10-13 21:22:54,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:54,347 INFO L225 Difference]: With dead ends: 344
[2019-10-13 21:22:54,347 INFO L226 Difference]: Without dead ends: 239
[2019-10-13 21:22:54,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:22:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states.
[2019-10-13 21:22:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220.
[2019-10-13 21:22:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states.
[2019-10-13 21:22:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions.
[2019-10-13 21:22:54,401 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78
[2019-10-13 21:22:54,401 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:54,402 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions.
[2019-10-13 21:22:54,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2019-10-13 21:22:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions.
[2019-10-13 21:22:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2019-10-13 21:22:54,411 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:54,411 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:54,412 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:54,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1827957124, now seen corresponding path program 1 times
[2019-10-13 21:22:54,413 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:54,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956031617]
[2019-10-13 21:22:54,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:54,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:54,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:54,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956031617]
[2019-10-13 21:22:54,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:54,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2019-10-13 21:22:54,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509134666]
[2019-10-13 21:22:54,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states
[2019-10-13 21:22:54,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:54,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2019-10-13 21:22:54,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:22:54,579 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states.
[2019-10-13 21:22:54,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:54,636 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions.
[2019-10-13 21:22:54,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2019-10-13 21:22:54,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92
[2019-10-13 21:22:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:54,641 INFO L225 Difference]: With dead ends: 419
[2019-10-13 21:22:54,641 INFO L226 Difference]: Without dead ends: 227
[2019-10-13 21:22:54,643 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2019-10-13 21:22:54,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states.
[2019-10-13 21:22:54,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224.
[2019-10-13 21:22:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states.
[2019-10-13 21:22:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions.
[2019-10-13 21:22:54,687 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92
[2019-10-13 21:22:54,690 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:54,690 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions.
[2019-10-13 21:22:54,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2019-10-13 21:22:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions.
[2019-10-13 21:22:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2019-10-13 21:22:54,697 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:54,697 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:54,697 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:54,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1850589378, now seen corresponding path program 1 times
[2019-10-13 21:22:54,698 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:54,699 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159536342]
[2019-10-13 21:22:54,699 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:54,699 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:54,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2019-10-13 21:22:54,879 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159536342]
[2019-10-13 21:22:54,880 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:54,880 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2019-10-13 21:22:54,880 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412634788]
[2019-10-13 21:22:54,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states
[2019-10-13 21:22:54,883 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2019-10-13 21:22:54,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:54,884 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states.
[2019-10-13 21:22:55,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:55,579 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions.
[2019-10-13 21:22:55,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2019-10-13 21:22:55,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92
[2019-10-13 21:22:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:55,582 INFO L225 Difference]: With dead ends: 438
[2019-10-13 21:22:55,582 INFO L226 Difference]: Without dead ends: 242
[2019-10-13 21:22:55,583 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156
[2019-10-13 21:22:55,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2019-10-13 21:22:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223.
[2019-10-13 21:22:55,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states.
[2019-10-13 21:22:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions.
[2019-10-13 21:22:55,600 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92
[2019-10-13 21:22:55,600 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:55,600 INFO L462 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions.
[2019-10-13 21:22:55,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2019-10-13 21:22:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions.
[2019-10-13 21:22:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-10-13 21:22:55,602 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:55,602 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:55,602 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:55,603 INFO L82 PathProgramCache]: Analyzing trace with hash -185232827, now seen corresponding path program 1 times
[2019-10-13 21:22:55,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:55,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045906944]
[2019-10-13 21:22:55,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:55,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:55,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:55,675 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045906944]
[2019-10-13 21:22:55,676 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:55,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2019-10-13 21:22:55,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122945317]
[2019-10-13 21:22:55,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states
[2019-10-13 21:22:55,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:55,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2019-10-13 21:22:55,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2019-10-13 21:22:55,678 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states.
[2019-10-13 21:22:55,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:55,716 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions.
[2019-10-13 21:22:55,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2019-10-13 21:22:55,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93
[2019-10-13 21:22:55,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:55,719 INFO L225 Difference]: With dead ends: 423
[2019-10-13 21:22:55,719 INFO L226 Difference]: Without dead ends: 228
[2019-10-13 21:22:55,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2019-10-13 21:22:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states.
[2019-10-13 21:22:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228.
[2019-10-13 21:22:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states.
[2019-10-13 21:22:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions.
[2019-10-13 21:22:55,735 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93
[2019-10-13 21:22:55,736 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:55,736 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions.
[2019-10-13 21:22:55,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2019-10-13 21:22:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions.
[2019-10-13 21:22:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-10-13 21:22:55,737 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:55,738 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:55,738 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:55,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:55,738 INFO L82 PathProgramCache]: Analyzing trace with hash -2053119352, now seen corresponding path program 1 times
[2019-10-13 21:22:55,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:55,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918073583]
[2019-10-13 21:22:55,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:55,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:55,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:55,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:55,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918073583]
[2019-10-13 21:22:55,830 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:55,830 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-10-13 21:22:55,830 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828003374]
[2019-10-13 21:22:55,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-10-13 21:22:55,831 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:55,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-10-13 21:22:55,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:22:55,832 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states.
[2019-10-13 21:22:56,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:56,096 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions.
[2019-10-13 21:22:56,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2019-10-13 21:22:56,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93
[2019-10-13 21:22:56,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:56,101 INFO L225 Difference]: With dead ends: 667
[2019-10-13 21:22:56,101 INFO L226 Difference]: Without dead ends: 467
[2019-10-13 21:22:56,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-10-13 21:22:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states.
[2019-10-13 21:22:56,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458.
[2019-10-13 21:22:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states.
[2019-10-13 21:22:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions.
[2019-10-13 21:22:56,134 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93
[2019-10-13 21:22:56,135 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:56,135 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions.
[2019-10-13 21:22:56,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2019-10-13 21:22:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions.
[2019-10-13 21:22:56,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2019-10-13 21:22:56,137 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:56,137 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:56,138 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:56,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:56,138 INFO L82 PathProgramCache]: Analyzing trace with hash 868259694, now seen corresponding path program 1 times
[2019-10-13 21:22:56,138 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:56,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913868608]
[2019-10-13 21:22:56,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:56,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-10-13 21:22:56,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913868608]
[2019-10-13 21:22:56,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-10-13 21:22:56,288 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-10-13 21:22:56,288 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385518081]
[2019-10-13 21:22:56,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-10-13 21:22:56,289 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:56,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-10-13 21:22:56,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2019-10-13 21:22:56,290 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states.
[2019-10-13 21:22:57,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:57,351 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions.
[2019-10-13 21:22:57,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2019-10-13 21:22:57,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97
[2019-10-13 21:22:57,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:57,358 INFO L225 Difference]: With dead ends: 1203
[2019-10-13 21:22:57,359 INFO L226 Difference]: Without dead ends: 845
[2019-10-13 21:22:57,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342
[2019-10-13 21:22:57,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states.
[2019-10-13 21:22:57,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764.
[2019-10-13 21:22:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states.
[2019-10-13 21:22:57,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions.
[2019-10-13 21:22:57,421 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97
[2019-10-13 21:22:57,421 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:57,421 INFO L462 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions.
[2019-10-13 21:22:57,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2019-10-13 21:22:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions.
[2019-10-13 21:22:57,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160
[2019-10-13 21:22:57,424 INFO L372 BasicCegarLoop]: Found error trace
[2019-10-13 21:22:57,425 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-10-13 21:22:57,425 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-10-13 21:22:57,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:57,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1063606964, now seen corresponding path program 1 times
[2019-10-13 21:22:57,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN
[2019-10-13 21:22:57,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214517531]
[2019-10-13 21:22:57,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:57,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2019-10-13 21:22:57,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-10-13 21:22:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2019-10-13 21:22:57,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214517531]
[2019-10-13 21:22:57,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635194957]
[2019-10-13 21:22:57,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:22:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-10-13 21:22:57,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 8 conjunts are in the unsatisfiable core
[2019-10-13 21:22:57,820 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2019-10-13 21:22:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-10-13 21:22:57,988 INFO L321 TraceCheckSpWp]: Computing backward predicates...
[2019-10-13 21:22:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2019-10-13 21:22:58,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [573762004]
[2019-10-13 21:22:58,422 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 160
[2019-10-13 21:22:58,465 INFO L148 AbstractInterpreter]: Using domain IntervalDomain
[2019-10-13 21:22:58,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-13 21:22:58,534 INFO L266 AbstractInterpreter]: Error location(s) were unreachable
[2019-10-13 21:22:58,535 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables.
[2019-10-13 21:22:58,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-10-13 21:22:58,540 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates
[2019-10-13 21:22:58,635 INFO L219 lantSequenceWeakener]: Could never weaken!
[2019-10-13 21:22:58,636 INFO L551 sIntCurrentIteration]: Unifying AI predicates
[2019-10-13 21:22:58,645 INFO L553 sIntCurrentIteration]: We unified 158 AI predicates to 158
[2019-10-13 21:22:58,645 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates
[2019-10-13 21:22:58,649 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences.
[2019-10-13 21:22:58,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19
[2019-10-13 21:22:58,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146535293]
[2019-10-13 21:22:58,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states
[2019-10-13 21:22:58,651 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN
[2019-10-13 21:22:58,652 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy
[2019-10-13 21:22:58,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2019-10-13 21:22:58,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:58,652 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 2 states.
[2019-10-13 21:22:58,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-10-13 21:22:58,670 INFO L93 Difference]: Finished difference Result 764 states and 877 transitions.
[2019-10-13 21:22:58,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2019-10-13 21:22:58,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159
[2019-10-13 21:22:58,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2019-10-13 21:22:58,672 INFO L225 Difference]: With dead ends: 764
[2019-10-13 21:22:58,672 INFO L226 Difference]: Without dead ends: 0
[2019-10-13 21:22:58,674 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2019-10-13 21:22:58,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2019-10-13 21:22:58,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2019-10-13 21:22:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2019-10-13 21:22:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2019-10-13 21:22:58,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159
[2019-10-13 21:22:58,679 INFO L84 Accepts]: Finished accepts. word is rejected.
[2019-10-13 21:22:58,679 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2019-10-13 21:22:58,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2019-10-13 21:22:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2019-10-13 21:22:58,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2019-10-13 21:22:58,894 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2019-10-13 21:22:58,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point L543(lines 520 544) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 496 551) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 531) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point L527-1(lines 527 531) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point L521-2(lines 521 542) no Hoare annotation was computed.
[2019-10-13 21:22:59,188 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 496 551) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 496 551) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L578-2(lines 578 603) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L604(lines 577 605) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 552 611) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L597-1(line 597) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 552 611) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 552 611) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L584-1(lines 584 588) no Hoare annotation was computed.
[2019-10-13 21:22:59,189 INFO L443 ceAbstractionStarter]: For program point L579(line 579) no Hoare annotation was computed.
[2019-10-13 21:22:59,190 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true
[2019-10-13 21:22:59,190 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed.
[2019-10-13 21:22:59,190 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed.
[2019-10-13 21:22:59,190 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true
[2019-10-13 21:22:59,190 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed.
[2019-10-13 21:22:59,190 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: true
[2019-10-13 21:22:59,190 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed.
[2019-10-13 21:22:59,190 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed.
[2019-10-13 21:22:59,191 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: true
[2019-10-13 21:22:59,191 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed.
[2019-10-13 21:22:59,191 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed.
[2019-10-13 21:22:59,191 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed.
[2019-10-13 21:22:59,191 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true
[2019-10-13 21:22:59,191 INFO L446 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true
[2019-10-13 21:22:59,191 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L446 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: true
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed.
[2019-10-13 21:22:59,192 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true
[2019-10-13 21:22:59,192 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed.
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: true
[2019-10-13 21:22:59,193 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed.
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: true
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: true
[2019-10-13 21:22:59,193 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed.
[2019-10-13 21:22:59,193 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed.
[2019-10-13 21:22:59,193 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed.
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: true
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: true
[2019-10-13 21:22:59,193 INFO L446 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: true
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed.
[2019-10-13 21:22:59,194 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed.
[2019-10-13 21:22:59,195 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true
[2019-10-13 21:22:59,195 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L194-2(lines 194 202) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L217-1(line 217) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 187 222) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 214) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 187 222) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 187 222) no Hoare annotation was computed.
[2019-10-13 21:22:59,196 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 450 495) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 450 495) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 450 495) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 763 808) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 790) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 763 808) no Hoare annotation was computed.
[2019-10-13 21:22:59,197 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 797) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 777 797) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 763 808) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: true
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L446 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: true
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 167 177) no Hoare annotation was computed.
[2019-10-13 21:22:59,198 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 167 177) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 167 177) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: true
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed.
[2019-10-13 21:22:59,199 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed.
[2019-10-13 21:22:59,200 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true
[2019-10-13 21:22:59,200 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed.
[2019-10-13 21:22:59,200 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed.
[2019-10-13 21:22:59,200 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: true
[2019-10-13 21:22:59,200 INFO L446 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: true
[2019-10-13 21:22:59,200 INFO L443 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed.
[2019-10-13 21:22:59,200 INFO L446 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: true
[2019-10-13 21:22:59,201 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true
[2019-10-13 21:22:59,201 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed.
[2019-10-13 21:22:59,201 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true
[2019-10-13 21:22:59,201 INFO L443 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed.
[2019-10-13 21:22:59,201 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed.
[2019-10-13 21:22:59,201 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed.
[2019-10-13 21:22:59,201 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true
[2019-10-13 21:22:59,202 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: true
[2019-10-13 21:22:59,202 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed.
[2019-10-13 21:22:59,202 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed.
[2019-10-13 21:22:59,202 INFO L446 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: true
[2019-10-13 21:22:59,202 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed.
[2019-10-13 21:22:59,202 INFO L446 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: true
[2019-10-13 21:22:59,202 INFO L443 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed.
[2019-10-13 21:22:59,202 INFO L446 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true
[2019-10-13 21:22:59,203 INFO L443 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed.
[2019-10-13 21:22:59,203 INFO L446 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: true
[2019-10-13 21:22:59,203 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed.
[2019-10-13 21:22:59,203 INFO L443 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed.
[2019-10-13 21:22:59,203 INFO L446 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: true
[2019-10-13 21:22:59,203 INFO L446 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: true
[2019-10-13 21:22:59,203 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 744) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 751) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 731 751) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 717 762) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 717 762) no Hoare annotation was computed.
[2019-10-13 21:22:59,204 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 717 762) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 404) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point L396-2(lines 396 404) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 388 410) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 388 410) no Hoare annotation was computed.
[2019-10-13 21:22:59,205 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 388 410) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 614 716) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 642) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 713) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 669) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L663-2(lines 663 683) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L684(lines 662 685) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 614 716) no Hoare annotation was computed.
[2019-10-13 21:22:59,206 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 659) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L703(lines 703 710) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L664(lines 663 683) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L695(line 695) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 701) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 614 716) no Hoare annotation was computed.
[2019-10-13 21:22:59,207 INFO L443 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point L679-1(line 679) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,208 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)))
[2019-10-13 21:22:59,208 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: true
[2019-10-13 21:22:59,209 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true
[2019-10-13 21:22:59,209 INFO L443 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed.
[2019-10-13 21:22:59,209 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true
[2019-10-13 21:22:59,210 INFO L443 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed.
[2019-10-13 21:22:59,210 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed.
[2019-10-13 21:22:59,210 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true
[2019-10-13 21:22:59,210 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed.
[2019-10-13 21:22:59,210 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed.
[2019-10-13 21:22:59,210 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true
[2019-10-13 21:22:59,210 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 379 387) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 379 387) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 379 387) no Hoare annotation was computed.
[2019-10-13 21:22:59,211 INFO L446 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: true
[2019-10-13 21:22:59,212 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: true
[2019-10-13 21:22:59,212 INFO L446 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: true
[2019-10-13 21:22:59,212 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed.
[2019-10-13 21:22:59,212 INFO L446 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: true
[2019-10-13 21:22:59,212 INFO L443 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed.
[2019-10-13 21:22:59,212 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed.
[2019-10-13 21:22:59,212 INFO L443 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed.
[2019-10-13 21:22:59,212 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed.
[2019-10-13 21:22:59,213 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true
[2019-10-13 21:22:59,213 INFO L446 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true
[2019-10-13 21:22:59,213 INFO L443 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed.
[2019-10-13 21:22:59,213 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed.
[2019-10-13 21:22:59,213 INFO L446 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true
[2019-10-13 21:22:59,213 INFO L443 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed.
[2019-10-13 21:22:59,213 INFO L446 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true
[2019-10-13 21:22:59,214 INFO L446 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true
[2019-10-13 21:22:59,214 INFO L443 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed.
[2019-10-13 21:22:59,214 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: true
[2019-10-13 21:22:59,214 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed.
[2019-10-13 21:22:59,214 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed.
[2019-10-13 21:22:59,214 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed.
[2019-10-13 21:22:59,214 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true
[2019-10-13 21:22:59,214 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,215 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false
[2019-10-13 21:22:59,215 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2019-10-13 21:22:59,215 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2019-10-13 21:22:59,215 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed.
[2019-10-13 21:22:59,215 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: true
[2019-10-13 21:22:59,215 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed.
[2019-10-13 21:22:59,215 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: true
[2019-10-13 21:22:59,215 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed.
[2019-10-13 21:22:59,215 INFO L446 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true
[2019-10-13 21:22:59,216 INFO L443 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed.
[2019-10-13 21:22:59,216 INFO L446 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: true
[2019-10-13 21:22:59,216 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true
[2019-10-13 21:22:59,216 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed.
[2019-10-13 21:22:59,216 INFO L446 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true
[2019-10-13 21:22:59,216 INFO L443 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed.
[2019-10-13 21:22:59,216 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed.
[2019-10-13 21:22:59,216 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed.
[2019-10-13 21:22:59,217 INFO L443 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed.
[2019-10-13 21:22:59,217 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: true
[2019-10-13 21:22:59,217 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed.
[2019-10-13 21:22:59,217 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed.
[2019-10-13 21:22:59,217 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true
[2019-10-13 21:22:59,217 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed.
[2019-10-13 21:22:59,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:59 BoogieIcfgContainer
[2019-10-13 21:22:59,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-10-13 21:22:59,231 INFO L168 Benchmark]: Toolchain (without parser) took 9294.70 ms. Allocated memory was 145.2 MB in the beginning and 328.7 MB in the end (delta: 183.5 MB). Free memory was 102.1 MB in the beginning and 171.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,232 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.50 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 169.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,233 INFO L168 Benchmark]: Boogie Preprocessor took 104.19 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,234 INFO L168 Benchmark]: RCFGBuilder took 1283.01 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 194.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,235 INFO L168 Benchmark]: TraceAbstraction took 7161.30 ms. Allocated memory was 236.5 MB in the beginning and 328.7 MB in the end (delta: 92.3 MB). Free memory was 194.4 MB in the beginning and 171.8 MB in the end (delta: 22.6 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB.
[2019-10-13 21:22:59,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 739.50 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.9 MB in the beginning and 169.3 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 104.19 ms. Allocated memory is still 202.9 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1283.01 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 164.6 MB in the beginning and 194.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 7161.30 ms. Allocated memory was 236.5 MB in the beginning and 328.7 MB in the end (delta: 92.3 MB). Free memory was 194.4 MB in the beginning and 171.8 MB in the end (delta: 22.6 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 908]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 282]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 283]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 898]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 43 procedures, 249 locations, 1 error locations. Result: SAFE, OverallTime: 7.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1568 SDtfs, 1101 SDslu, 3087 SDs, 0 SdLazy, 1765 SolverSat, 395 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 905 PreInvPairs, 906 NumberOfFragments, 73 HoareAnnotationTreeSize, 905 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1047 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 237699 SizeOfPredicates, 4 NumberOfNonLiveVariables, 940 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 127/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 118, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8481012658227848, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...