/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_product28.cil.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-06 21:34:58,858 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-06 21:34:58,861 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-06 21:34:58,879 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-06 21:34:58,879 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-06 21:34:58,881 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-06 21:34:58,883 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-06 21:34:58,892 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-06 21:34:58,896 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-06 21:34:58,899 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-06 21:34:58,901 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2019-11-06 21:34:58,903 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-06 21:34:58,903 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-06 21:34:58,905 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-06 21:34:58,907 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-06 21:34:58,909 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-06 21:34:58,910 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-06 21:34:58,911 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-06 21:34:58,912 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-06 21:34:58,917 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-06 21:34:58,921 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-06 21:34:58,924 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-06 21:34:58,926 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-11-06 21:34:58,927 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-06 21:34:58,929 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-06 21:34:58,929 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-06 21:34:58,930 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-06 21:34:58,931 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-06 21:34:58,932 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-06 21:34:58,933 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-06 21:34:58,933 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-06 21:34:58,934 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2019-11-06 21:34:58,936 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-06 21:34:58,937 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-06 21:34:58,937 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2019-11-06 21:34:58,938 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-06 21:34:58,942 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-11-06 21:34:58,943 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 21:34:58,974 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-06 21:34:58,974 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-06 21:34:58,980 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-06 21:34:58,980 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-06 21:34:58,980 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-06 21:34:58,980 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-06 21:34:58,981 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-06 21:34:58,981 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-06 21:34:58,981 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-06 21:34:58,981 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-06 21:34:58,981 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-06 21:34:58,982 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-06 21:34:58,984 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-06 21:34:58,984 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-06 21:34:58,984 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-06 21:34:58,984 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-06 21:34:58,985 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-06 21:34:58,985 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-06 21:34:58,985 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-06 21:34:58,986 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-06 21:34:58,986 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-06 21:34:58,986 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-06 21:34:58,986 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-06 21:34:58,986 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-06 21:34:58,987 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-06 21:34:58,987 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-06 21:34:58,987 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-06 21:34:58,987 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-06 21:34:58,987 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-11-06 21:34:59,262 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-06 21:34:59,284 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-06 21:34:59,288 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-06 21:34:59,290 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-06 21:34:59,290 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-06 21:34:59,291 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c
[2019-11-06 21:34:59,366 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77bf6128/e4d6d786b3534c5fb32a000ac16cb3e9/FLAG4bfd15c5b
[2019-11-06 21:35:00,045 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-06 21:35:00,046 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec3_product28.cil.c
[2019-11-06 21:35:00,078 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77bf6128/e4d6d786b3534c5fb32a000ac16cb3e9/FLAG4bfd15c5b
[2019-11-06 21:35:00,214 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c77bf6128/e4d6d786b3534c5fb32a000ac16cb3e9
[2019-11-06 21:35:00,222 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-06 21:35:00,224 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-06 21:35:00,225 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-06 21:35:00,225 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-06 21:35:00,228 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-06 21:35:00,229 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:00" (1/1) ...
[2019-11-06 21:35:00,232 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1cb841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:00, skipping insertion in model container
[2019-11-06 21:35:00,232 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:35:00" (1/1) ...
[2019-11-06 21:35:00,241 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-06 21:35:00,326 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-06 21:35:00,969 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:35:00,991 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-06 21:35:01,141 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-06 21:35:01,205 INFO  L192         MainTranslator]: Completed translation
[2019-11-06 21:35:01,205 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01 WrapperNode
[2019-11-06 21:35:01,206 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-06 21:35:01,206 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-06 21:35:01,206 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-06 21:35:01,207 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-06 21:35:01,221 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,222 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,278 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,281 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,342 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,383 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,408 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (1/1) ...
[2019-11-06 21:35:01,440 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-06 21:35:01,441 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-06 21:35:01,441 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-06 21:35:01,441 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-06 21:35:01,442 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (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 21:35:01,539 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-06 21:35:01,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-06 21:35:01,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:35:01,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:35:01,540 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:35:01,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure initTopDown
[2019-11-06 21:35:01,541 INFO  L138     BoogieDeclarations]: Found implementation of procedure initBottomUp
[2019-11-06 21:35:01,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure isBlocked
[2019-11-06 21:35:01,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base
[2019-11-06 21:35:01,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure enterElevator
[2019-11-06 21:35:01,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base
[2019-11-06 21:35:01,543 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight
[2019-11-06 21:35:01,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure leaveElevator
[2019-11-06 21:35:01,544 INFO  L138     BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton
[2019-11-06 21:35:01,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetFloorButton
[2019-11-06 21:35:01,545 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentFloorID
[2019-11-06 21:35:01,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure areDoorsOpen
[2019-11-06 21:35:01,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed
[2019-11-06 21:35:01,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure getCurrentHeading
[2019-11-06 21:35:01,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure isEmpty
[2019-11-06 21:35:01,548 INFO  L138     BoogieDeclarations]: Found implementation of procedure anyStopRequested
[2019-11-06 21:35:01,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure isIdle
[2019-11-06 21:35:01,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty
[2019-11-06 21:35:01,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection
[2019-11-06 21:35:01,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed
[2019-11-06 21:35:01,549 INFO  L138     BoogieDeclarations]: Found implementation of procedure continueInDirection
[2019-11-06 21:35:01,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-11-06 21:35:01,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:35:01,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure getReverseHeading
[2019-11-06 21:35:01,550 INFO  L138     BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor
[2019-11-06 21:35:01,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor
[2019-11-06 21:35:01,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2019-11-06 21:35:01,551 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor
[2019-11-06 21:35:01,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure printState
[2019-11-06 21:35:01,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection
[2019-11-06 21:35:01,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling
[2019-11-06 21:35:01,552 INFO  L138     BoogieDeclarations]: Found implementation of procedure isExecutiveFloor
[2019-11-06 21:35:01,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2019-11-06 21:35:01,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2019-11-06 21:35:01,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:35:01,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2019-11-06 21:35:01,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2019-11-06 21:35:01,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2019-11-06 21:35:01,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure test
[2019-11-06 21:35:01,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure getWeight
[2019-11-06 21:35:01,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure getOrigin
[2019-11-06 21:35:01,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure getDestination
[2019-11-06 21:35:01,555 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07
[2019-11-06 21:35:01,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure bobCall
[2019-11-06 21:35:01,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure aliceCall
[2019-11-06 21:35:01,556 INFO  L138     BoogieDeclarations]: Found implementation of procedure angelinaCall
[2019-11-06 21:35:01,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure chuckCall
[2019-11-06 21:35:01,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure monicaCall
[2019-11-06 21:35:01,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure bigMacCall
[2019-11-06 21:35:01,557 INFO  L138     BoogieDeclarations]: Found implementation of procedure threeTS
[2019-11-06 21:35:01,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2019-11-06 21:35:01,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions
[2019-11-06 21:35:01,558 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest_Simple
[2019-11-06 21:35:01,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification1
[2019-11-06 21:35:01,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification2
[2019-11-06 21:35:01,559 INFO  L138     BoogieDeclarations]: Found implementation of procedure Specification3
[2019-11-06 21:35:01,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure setup
[2019-11-06 21:35:01,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure runTest
[2019-11-06 21:35:01,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-06 21:35:01,560 INFO  L138     BoogieDeclarations]: Found implementation of procedure initFloors
[2019-11-06 21:35:01,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure isFloorCalling
[2019-11-06 21:35:01,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure resetCallOnFloor
[2019-11-06 21:35:01,561 INFO  L138     BoogieDeclarations]: Found implementation of procedure callOnFloor
[2019-11-06 21:35:01,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure isPersonOnFloor
[2019-11-06 21:35:01,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure initPersonOnFloor
[2019-11-06 21:35:01,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure removePersonFromFloor
[2019-11-06 21:35:01,562 INFO  L138     BoogieDeclarations]: Found implementation of procedure isTopFloor
[2019-11-06 21:35:01,563 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec1
[2019-11-06 21:35:01,563 INFO  L138     BoogieDeclarations]: Found implementation of procedure spec14
[2019-11-06 21:35:01,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2019-11-06 21:35:01,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_one
[2019-11-06 21:35:01,564 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_features
[2019-11-06 21:35:01,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure select_helpers
[2019-11-06 21:35:01,565 INFO  L138     BoogieDeclarations]: Found implementation of procedure valid_product
[2019-11-06 21:35:01,565 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-06 21:35:01,565 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-06 21:35:01,566 INFO  L130     BoogieDeclarations]: Found specification of procedure __automaton_fail
[2019-11-06 21:35:01,567 INFO  L130     BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed
[2019-11-06 21:35:01,567 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentFloorID
[2019-11-06 21:35:01,567 INFO  L130     BoogieDeclarations]: Found specification of procedure getCurrentHeading
[2019-11-06 21:35:01,567 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1
[2019-11-06 21:35:01,569 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2
[2019-11-06 21:35:01,569 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2019-11-06 21:35:01,569 INFO  L130     BoogieDeclarations]: Found specification of procedure getWeight
[2019-11-06 21:35:01,569 INFO  L130     BoogieDeclarations]: Found specification of procedure getDestination
[2019-11-06 21:35:01,570 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator
[2019-11-06 21:35:01,570 INFO  L130     BoogieDeclarations]: Found specification of procedure isFloorCalling
[2019-11-06 21:35:01,571 INFO  L130     BoogieDeclarations]: Found specification of procedure resetCallOnFloor
[2019-11-06 21:35:01,571 INFO  L130     BoogieDeclarations]: Found specification of procedure isPersonOnFloor
[2019-11-06 21:35:01,571 INFO  L130     BoogieDeclarations]: Found specification of procedure removePersonFromFloor
[2019-11-06 21:35:01,571 INFO  L130     BoogieDeclarations]: Found specification of procedure isTopFloor
[2019-11-06 21:35:01,572 INFO  L130     BoogieDeclarations]: Found specification of procedure initFloors
[2019-11-06 21:35:01,572 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2019-11-06 21:35:01,572 INFO  L130     BoogieDeclarations]: Found specification of procedure isBlocked
[2019-11-06 21:35:01,572 INFO  L130     BoogieDeclarations]: Found specification of procedure printState
[2019-11-06 21:35:01,573 INFO  L130     BoogieDeclarations]: Found specification of procedure isEmpty
[2019-11-06 21:35:01,573 INFO  L130     BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed
[2019-11-06 21:35:01,573 INFO  L130     BoogieDeclarations]: Found specification of procedure initTopDown
[2019-11-06 21:35:01,573 INFO  L130     BoogieDeclarations]: Found specification of procedure initBottomUp
[2019-11-06 21:35:01,574 INFO  L130     BoogieDeclarations]: Found specification of procedure areDoorsOpen
[2019-11-06 21:35:01,574 INFO  L130     BoogieDeclarations]: Found specification of procedure isIdle
[2019-11-06 21:35:01,574 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling
[2019-11-06 21:35:01,574 INFO  L130     BoogieDeclarations]: Found specification of procedure isExecutiveFloor
[2019-11-06 21:35:01,575 INFO  L130     BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base
[2019-11-06 21:35:01,575 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base
[2019-11-06 21:35:01,575 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight
[2019-11-06 21:35:01,575 INFO  L130     BoogieDeclarations]: Found specification of procedure leaveElevator
[2019-11-06 21:35:01,575 INFO  L130     BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton
[2019-11-06 21:35:01,576 INFO  L130     BoogieDeclarations]: Found specification of procedure resetFloorButton
[2019-11-06 21:35:01,576 INFO  L130     BoogieDeclarations]: Found specification of procedure anyStopRequested
[2019-11-06 21:35:01,576 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty
[2019-11-06 21:35:01,577 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedInDirection
[2019-11-06 21:35:01,577 INFO  L130     BoogieDeclarations]: Found specification of procedure continueInDirection
[2019-11-06 21:35:01,577 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty
[2019-11-06 21:35:01,577 INFO  L130     BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor
[2019-11-06 21:35:01,578 INFO  L130     BoogieDeclarations]: Found specification of procedure getReverseHeading
[2019-11-06 21:35:01,578 INFO  L130     BoogieDeclarations]: Found specification of procedure processWaitingOnFloor
[2019-11-06 21:35:01,578 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor
[2019-11-06 21:35:01,578 INFO  L130     BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor
[2019-11-06 21:35:01,580 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-11-06 21:35:01,580 INFO  L130     BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection
[2019-11-06 21:35:01,581 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2019-11-06 21:35:01,581 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-11-06 21:35:01,581 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-11-06 21:35:01,581 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2019-11-06 21:35:01,581 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-11-06 21:35:01,582 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-11-06 21:35:01,582 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-11-06 21:35:01,582 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-11-06 21:35:01,583 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2019-11-06 21:35:01,583 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-11-06 21:35:01,583 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2019-11-06 21:35:01,583 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2019-11-06 21:35:01,583 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-11-06 21:35:01,584 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2019-11-06 21:35:01,589 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2019-11-06 21:35:01,590 INFO  L130     BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2019-11-06 21:35:01,590 INFO  L130     BoogieDeclarations]: Found specification of procedure bobCall
[2019-11-06 21:35:01,591 INFO  L130     BoogieDeclarations]: Found specification of procedure threeTS
[2019-11-06 21:35:01,599 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2019-11-06 21:35:01,599 INFO  L130     BoogieDeclarations]: Found specification of procedure test
[2019-11-06 21:35:01,599 INFO  L130     BoogieDeclarations]: Found specification of procedure getOrigin
[2019-11-06 21:35:01,600 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-11-06 21:35:01,600 INFO  L130     BoogieDeclarations]: Found specification of procedure get_nondetMinMax07
[2019-11-06 21:35:01,600 INFO  L130     BoogieDeclarations]: Found specification of procedure initPersonOnFloor
[2019-11-06 21:35:01,600 INFO  L130     BoogieDeclarations]: Found specification of procedure aliceCall
[2019-11-06 21:35:01,600 INFO  L130     BoogieDeclarations]: Found specification of procedure angelinaCall
[2019-11-06 21:35:01,602 INFO  L130     BoogieDeclarations]: Found specification of procedure chuckCall
[2019-11-06 21:35:01,602 INFO  L130     BoogieDeclarations]: Found specification of procedure monicaCall
[2019-11-06 21:35:01,602 INFO  L130     BoogieDeclarations]: Found specification of procedure bigMacCall
[2019-11-06 21:35:01,603 INFO  L130     BoogieDeclarations]: Found specification of procedure randomSequenceOfActions
[2019-11-06 21:35:01,603 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest_Simple
[2019-11-06 21:35:01,603 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification1
[2019-11-06 21:35:01,603 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification2
[2019-11-06 21:35:01,603 INFO  L130     BoogieDeclarations]: Found specification of procedure Specification3
[2019-11-06 21:35:01,604 INFO  L130     BoogieDeclarations]: Found specification of procedure setup
[2019-11-06 21:35:01,604 INFO  L130     BoogieDeclarations]: Found specification of procedure runTest
[2019-11-06 21:35:01,604 INFO  L130     BoogieDeclarations]: Found specification of procedure select_helpers
[2019-11-06 21:35:01,604 INFO  L130     BoogieDeclarations]: Found specification of procedure select_features
[2019-11-06 21:35:01,605 INFO  L130     BoogieDeclarations]: Found specification of procedure valid_product
[2019-11-06 21:35:01,605 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-06 21:35:01,605 INFO  L130     BoogieDeclarations]: Found specification of procedure callOnFloor
[2019-11-06 21:35:01,605 INFO  L130     BoogieDeclarations]: Found specification of procedure spec1
[2019-11-06 21:35:01,605 INFO  L130     BoogieDeclarations]: Found specification of procedure spec14
[2019-11-06 21:35:01,606 INFO  L130     BoogieDeclarations]: Found specification of procedure select_one
[2019-11-06 21:35:01,606 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-06 21:35:01,606 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2019-11-06 21:35:01,606 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-06 21:35:04,694 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-06 21:35:04,694 INFO  L284             CfgBuilder]: Removed 10 assume(true) statements.
[2019-11-06 21:35:04,696 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:04 BoogieIcfgContainer
[2019-11-06 21:35:04,696 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-06 21:35:04,697 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-06 21:35:04,697 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-11-06 21:35:04,701 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-11-06 21:35:04,701 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:35:00" (1/3) ...
[2019-11-06 21:35:04,702 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35f438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:04, skipping insertion in model container
[2019-11-06 21:35:04,702 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:35:01" (2/3) ...
[2019-11-06 21:35:04,703 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b35f438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:35:04, skipping insertion in model container
[2019-11-06 21:35:04,703 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:35:04" (3/3) ...
[2019-11-06 21:35:04,705 INFO  L109   eAbstractionObserver]: Analyzing ICFG elevator_spec3_product28.cil.c
[2019-11-06 21:35:04,715 INFO  L152   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-06 21:35:04,724 INFO  L164   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-06 21:35:04,735 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-06 21:35:04,776 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-11-06 21:35:04,776 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-11-06 21:35:04,776 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-06 21:35:04,776 INFO  L376      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-06 21:35:04,777 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-06 21:35:04,777 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-11-06 21:35:04,777 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-06 21:35:04,777 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-06 21:35:04,829 INFO  L276                IsEmpty]: Start isEmpty. Operand 825 states.
[2019-11-06 21:35:04,857 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2019-11-06 21:35:04,857 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:35:04,858 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]
[2019-11-06 21:35:04,862 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:35:04,868 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:35:04,868 INFO  L82        PathProgramCache]: Analyzing trace with hash 1927707397, now seen corresponding path program 1 times
[2019-11-06 21:35:04,878 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:35:04,878 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063864571]
[2019-11-06 21:35:04,878 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:35:05,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,606 WARN  L191               SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:35:06,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,651 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:06,935 WARN  L191               SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:35:06,941 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,101 WARN  L191               SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-11-06 21:35:07,104 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,208 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,330 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:07,392 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 21:35:07,393 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063864571]
[2019-11-06 21:35:07,394 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:35:07,394 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2019-11-06 21:35:07,395 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036271776]
[2019-11-06 21:35:07,400 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 12 states
[2019-11-06 21:35:07,401 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:35:07,415 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2019-11-06 21:35:07,416 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2019-11-06 21:35:07,418 INFO  L87              Difference]: Start difference. First operand 825 states. Second operand 12 states.
[2019-11-06 21:35:08,912 WARN  L191               SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 109
[2019-11-06 21:35:10,165 WARN  L191               SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 391
[2019-11-06 21:35:11,368 WARN  L191               SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 391
[2019-11-06 21:35:12,505 WARN  L191               SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 391
[2019-11-06 21:35:13,668 WARN  L191               SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 391
[2019-11-06 21:35:14,721 WARN  L191               SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 393
[2019-11-06 21:35:18,152 WARN  L191               SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 148
[2019-11-06 21:35:37,893 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-11-06 21:35:37,893 INFO  L93              Difference]: Finished difference Result 1658 states and 2850 transitions.
[2019-11-06 21:35:37,894 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2019-11-06 21:35:37,896 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states. Word has length 93
[2019-11-06 21:35:37,896 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-11-06 21:35:37,930 INFO  L225             Difference]: With dead ends: 1658
[2019-11-06 21:35:37,931 INFO  L226             Difference]: Without dead ends: 1000
[2019-11-06 21:35:37,942 INFO  L630         BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650
[2019-11-06 21:35:37,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1000 states.
[2019-11-06 21:35:38,241 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 664.
[2019-11-06 21:35:38,242 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 664 states.
[2019-11-06 21:35:38,250 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 1050 transitions.
[2019-11-06 21:35:38,252 INFO  L78                 Accepts]: Start accepts. Automaton has 664 states and 1050 transitions. Word has length 93
[2019-11-06 21:35:38,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2019-11-06 21:35:38,253 INFO  L462      AbstractCegarLoop]: Abstraction has 664 states and 1050 transitions.
[2019-11-06 21:35:38,253 INFO  L463      AbstractCegarLoop]: Interpolant automaton has 12 states.
[2019-11-06 21:35:38,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 664 states and 1050 transitions.
[2019-11-06 21:35:38,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2019-11-06 21:35:38,258 INFO  L402         BasicCegarLoop]: Found error trace
[2019-11-06 21:35:38,259 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]
[2019-11-06 21:35:38,259 INFO  L410      AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-06 21:35:38,259 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-11-06 21:35:38,260 INFO  L82        PathProgramCache]: Analyzing trace with hash -385946519, now seen corresponding path program 1 times
[2019-11-06 21:35:38,260 INFO  L161   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-06 21:35:38,260 INFO  L337   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22405022]
[2019-11-06 21:35:38,260 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-06 21:35:38,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,475 WARN  L191               SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 388
[2019-11-06 21:35:39,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,684 WARN  L191               SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 145
[2019-11-06 21:35:39,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,819 WARN  L191               SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2019-11-06 21:35:39,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:39,969 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-11-06 21:35:40,007 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 21:35:40,007 INFO  L337   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22405022]
[2019-11-06 21:35:40,007 INFO  L218   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-11-06 21:35:40,008 INFO  L231   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2019-11-06 21:35:40,008 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42886961]
[2019-11-06 21:35:40,010 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 9 states
[2019-11-06 21:35:40,010 INFO  L141   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-11-06 21:35:40,010 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2019-11-06 21:35:40,011 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2019-11-06 21:35:40,011 INFO  L87              Difference]: Start difference. First operand 664 states and 1050 transitions. Second operand 9 states.