/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product25.cil.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:34:55,427 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:34:55,430 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:34:55,449 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:34:55,449 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:34:55,451 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:34:55,453 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:34:55,462 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:34:55,466 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:34:55,469 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:34:55,471 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:34:55,473 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:34:55,473 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:34:55,474 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:34:55,475 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:34:55,476 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:34:55,477 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:34:55,478 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:34:55,479 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:34:55,481 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:34:55,482 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:34:55,484 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:34:55,485 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:34:55,485 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:34:55,489 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:34:55,489 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:34:55,489 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:34:55,491 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:34:55,491 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:34:55,494 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:34:55,494 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:34:55,495 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-06 21:34:55,496 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-06 21:34:55,497 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:34:55,499 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:34:55,499 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 21:34:55,500 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 21:34:55,503 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:34:55,504 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
[2019-11-06 21:34:55,539 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:34:55,539 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:34:55,542 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:34:55,542 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:34:55,542 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:34:55,542 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:34:55,543 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:34:55,544 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:34:55,544 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:34:55,544 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:34:55,544 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:34:55,544 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:34:55,545 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:34:55,545 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:34:55,545 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:34:55,545 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:34:55,545 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:55,546 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:34:55,547 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:34:55,547 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:34:55,547 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:34:55,547 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:34:55,548 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:34:55,548 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:34:55,830 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:34:55,848 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:34:55,851 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:34:55,853 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:34:55,853 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:34:55,854 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product25.cil.c
[2019-11-06 21:34:55,928 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a426e97b/03d49a78daf249fca824af3386e61f85/FLAGf61829d63
[2019-11-06 21:34:56,572 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:34:56,575 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product25.cil.c
[2019-11-06 21:34:56,608 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a426e97b/03d49a78daf249fca824af3386e61f85/FLAGf61829d63
[2019-11-06 21:34:56,819 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a426e97b/03d49a78daf249fca824af3386e61f85
[2019-11-06 21:34:56,828 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:34:56,829 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:34:56,833 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:56,833 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:34:56,837 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:34:56,838 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:56" (1/1) ...
[2019-11-06 21:34:56,841 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601ee283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:56, skipping insertion in model container
[2019-11-06 21:34:56,842 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:34:56" (1/1) ...
[2019-11-06 21:34:56,849 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:34:56,920 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:34:57,591 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:57,618 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:34:57,785 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:34:57,849 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:34:57,850 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57 WrapperNode
[2019-11-06 21:34:57,850 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:34:57,851 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:34:57,851 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:34:57,852 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:34:57,869 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:57,870 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:57,902 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:57,903 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:57,995 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:58,022 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:58,030 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (1/1) ...
[2019-11-06 21:34:58,045 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:34:58,046 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:34:58,046 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:34:58,046 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:34:58,047 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (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
[2019-11-06 21:34:58,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:34:58,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:34:58,129 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:58,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:58,130 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:58,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:58,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:34:58,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:34:58,131 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:34:58,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-11-06 21:34:58,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-11-06 21:34:58,132 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-11-06 21:34:58,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-11-06 21:34:58,133 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-11-06 21:34:58,134 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-11-06 21:34:58,134 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-11-06 21:34:58,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-11-06 21:34:58,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:34:58,137 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:34:58,138 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:34:58,138 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:34:58,138 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:34:58,139 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-11-06 21:34:58,139 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-11-06 21:34:58,139 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-11-06 21:34:58,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-11-06 21:34:58,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:34:58,142 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-11-06 21:34:58,143 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-11-06 21:34:58,143 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-11-06 21:34:58,143 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base
[2019-11-06 21:34:58,143 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-11-06 21:34:58,144 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-11-06 21:34:58,145 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-11-06 21:34:58,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-11-06 21:34:58,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:58,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-11-06 21:34:58,146 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:58,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-11-06 21:34:58,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-11-06 21:34:58,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-06 21:34:58,147 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-11-06 21:34:58,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-11-06 21:34:58,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:58,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:58,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-11-06 21:34:58,148 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-11-06 21:34:58,149 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-11-06 21:34:58,149 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:34:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:34:58,151 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:34:58,151 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:34:58,151 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:34:58,152 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:34:58,152 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:34:58,152 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:34:58,152 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:34:58,153 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:34:58,153 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:34:58,153 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:34:58,154 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:34:58,154 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:34:58,154 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-11-06 21:34:58,154 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-11-06 21:34:58,155 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-11-06 21:34:58,156 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:34:58,156 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:34:58,156 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:34:58,156 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:34:58,156 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-11-06 21:34:58,157 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-11-06 21:34:58,158 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-11-06 21:34:58,158 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-11-06 21:34:58,158 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-11-06 21:34:58,158 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-06 21:34:58,159 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-11-06 21:34:58,159 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-11-06 21:34:58,159 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-11-06 21:34:58,159 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-06 21:34:58,160 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-11-06 21:34:58,160 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-11-06 21:34:58,160 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-11-06 21:34:58,160 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-11-06 21:34:58,161 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-11-06 21:34:58,162 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-11-06 21:34:58,162 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-11-06 21:34:58,162 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:34:58,163 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:34:58,163 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-11-06 21:34:58,163 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:34:58,163 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-11-06 21:34:58,164 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-11-06 21:34:58,164 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-11-06 21:34:58,164 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:34:58,164 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-11-06 21:34:58,164 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-11-06 21:34:58,165 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-11-06 21:34:58,165 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-11-06 21:34:58,165 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-11-06 21:34:58,166 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-11-06 21:34:58,169 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-11-06 21:34:58,170 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-11-06 21:34:58,170 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base
[2019-11-06 21:34:58,171 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-11-06 21:34:58,178 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight
[2019-11-06 21:34:58,178 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-11-06 21:34:58,178 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-11-06 21:34:58,179 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:34:58,180 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:34:58,181 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:34:58,182 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:35:00,402 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:35:00,402 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-11-06 21:35:00,404 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:00 BoogieIcfgContainer
[2019-11-06 21:35:00,404 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:35:00,407 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:35:00,407 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:35:00,410 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:35:00,411 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:34:56" (1/3) ...
[2019-11-06 21:35:00,412 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec75c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:00, skipping insertion in model container
[2019-11-06 21:35:00,412 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:34:57" (2/3) ...
[2019-11-06 21:35:00,412 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec75c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:00, skipping insertion in model container
[2019-11-06 21:35:00,413 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:00" (3/3) ...
[2019-11-06 21:35:00,414 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product25.cil.c
[2019-11-06 21:35:00,424 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:35:00,433 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:35:00,446 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:35:00,488 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:35:00,488 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:35:00,488 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:35:00,489 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:35:00,489 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:35:00,489 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:35:00,489 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:35:00,489 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:35:00,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 778 states.
[2019-11-06 21:35:00,555 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2019-11-06 21:35:00,556 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:35:00,557 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:35:00,559 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:35:00,564 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:35:00,565 INFO  L82        PathProgramCache]: Analyzing trace with hash 9789385, now seen corresponding path program 1 times
[2019-11-06 21:35:00,574 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:35:00,574 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829837725]
[2019-11-06 21:35:00,574 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:35:00,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,154 WARN  L191               SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-11-06 21:35:02,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,222 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,425 WARN  L191               SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:35:02,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,576 WARN  L191               SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-11-06 21:35:02,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,869 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,874 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:02,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-11-06 21:35:02,987 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829837725]
[2019-11-06 21:35:02,988 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:35:02,988 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2019-11-06 21:35:02,989 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220180295]
[2019-11-06 21:35:02,995 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 13 states
[2019-11-06 21:35:02,996 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:35:03,010 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2019-11-06 21:35:03,011 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156
[2019-11-06 21:35:03,013 INFO  L87              Difference]: Start difference. First operand 778 states. Second operand 13 states.
[2019-11-06 21:35:05,837 WARN  L191               SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:35:06,760 WARN  L191               SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:35:07,623 WARN  L191               SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:35:08,584 WARN  L191               SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 379
[2019-11-06 21:35:09,504 WARN  L191               SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 381
[2019-11-06 21:35:14,098 WARN  L191               SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 115
[2019-11-06 21:35:20,534 WARN  L191               SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 148
[2019-11-06 21:35:35,493 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:35:35,493 INFO  L93              Difference]: Finished difference Result 1612 states and 2848 transitions.
[2019-11-06 21:35:35,494 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2019-11-06 21:35:35,495 INFO  L78                 Accepts]: Start accepts. Automaton has 13 states. Word has length 115
[2019-11-06 21:35:35,496 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:35:35,531 INFO  L225             Difference]: With dead ends: 1612
[2019-11-06 21:35:35,531 INFO  L226             Difference]: Without dead ends: 988
[2019-11-06 21:35:35,541 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=234, Invalid=696, Unknown=0, NotChecked=0, Total=930
[2019-11-06 21:35:35,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 988 states.
[2019-11-06 21:35:35,836 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 624.
[2019-11-06 21:35:35,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 624 states.
[2019-11-06 21:35:35,876 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 999 transitions.
[2019-11-06 21:35:35,879 INFO  L78                 Accepts]: Start accepts. Automaton has 624 states and 999 transitions. Word has length 115
[2019-11-06 21:35:35,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:35:35,879 INFO  L462      AbstractCegarLoop]: Abstraction has 624 states and 999 transitions.
[2019-11-06 21:35:35,880 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 13 states.
[2019-11-06 21:35:35,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 624 states and 999 transitions.
[2019-11-06 21:35:35,887 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2019-11-06 21:35:35,888 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:35:35,888 INFO  L410         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2019-11-06 21:35:35,888 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:35:35,890 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:35:35,890 INFO  L82        PathProgramCache]: Analyzing trace with hash -803565182, now seen corresponding path program 1 times
[2019-11-06 21:35:35,890 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:35:35,891 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290501297]
[2019-11-06 21:35:35,891 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:35:35,937 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,760 WARN  L191               SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 376
[2019-11-06 21:35:36,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:36,952 WARN  L191               SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:35:36,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,082 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,217 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:37,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2019-11-06 21:35:37,263 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290501297]
[2019-11-06 21:35:37,264 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:35:37,264 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2019-11-06 21:35:37,264 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302481612]
[2019-11-06 21:35:37,266 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 10 states
[2019-11-06 21:35:37,266 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:35:37,267 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2019-11-06 21:35:37,267 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2019-11-06 21:35:37,267 INFO  L87              Difference]: Start difference. First operand 624 states and 999 transitions. Second operand 10 states.