/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test15.c


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:01:19,469 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:01:19,473 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:01:19,515 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:01:19,515 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:01:19,517 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:01:19,518 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:01:19,520 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:01:19,522 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:01:19,523 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:01:19,525 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:01:19,526 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:01:19,526 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:01:19,528 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:01:19,529 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:01:19,530 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:01:19,531 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:01:19,533 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:01:19,535 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:01:19,537 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:01:19,539 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:01:19,541 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:01:19,542 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:01:19,544 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:01:19,547 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:01:19,547 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:01:19,547 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:01:19,549 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:01:19,549 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:01:19,552 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:01:19,552 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:01:19,553 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:01:19,554 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:01:19,555 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:01:19,556 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:01:19,556 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:01:19,557 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:01:19,558 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:01:19,558 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:01:19,559 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:01:19,560 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:01:19,561 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 16:01:19,588 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 16:01:19,589 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:01:19,590 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:01:19,590 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 16:01:19,590 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 16:01:19,591 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:01:19,591 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-24 16:01:19,591 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 16:01:19,591 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-24 16:01:19,592 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 16:01:19,592 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:01:19,592 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:01:19,592 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:01:19,592 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-24 16:01:19,593 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 16:01:19,593 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 16:01:19,593 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:01:19,593 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:01:19,593 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 16:01:19,594 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 16:01:19,594 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 16:01:19,594 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:01:19,594 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:01:19,594 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:01:19,595 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:01:19,595 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 16:01:19,595 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:01:19,595 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:01:19,595 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 16:01:19,596 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:01:20,061 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:01:20,080 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:01:20,085 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:01:20,087 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 16:01:20,087 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 16:01:20,088 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-24 16:01:20,181 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460/FLAGca0167e6e
[2020-09-24 16:01:20,787 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 16:01:20,788 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-24 16:01:20,797 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460/FLAGca0167e6e
[2020-09-24 16:01:21,130 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460
[2020-09-24 16:01:21,145 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:01:21,151 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:01:21,152 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:01:21,153 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:01:21,157 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:01:21,158 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,163 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489547ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,163 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,173 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 16:01:21,200 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:01:21,415 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:01:21,431 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 16:01:21,451 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:01:21,470 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 16:01:21,471 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21 WrapperNode
[2020-09-24 16:01:21,471 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:01:21,472 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:01:21,472 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:01:21,472 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:01:21,565 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,566 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,576 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,576 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,586 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,590 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,591 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,593 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:01:21,594 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:01:21,594 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:01:21,594 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:01:21,595 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:01:21,669 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:01:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:01:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure assign
[2020-09-24 16:01:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:01:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:01:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:01:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure assign
[2020-09-24 16:01:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 16:01:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 16:01:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:01:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 16:01:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 16:01:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:01:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:01:21,919 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:01:21,919 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-24 16:01:21,925 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:21 BoogieIcfgContainer
[2020-09-24 16:01:21,925 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:01:21,927 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:01:21,927 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:01:21,931 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:01:21,931 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:01:21" (1/3) ...
[2020-09-24 16:01:21,932 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a9f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,932 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (2/3) ...
[2020-09-24 16:01:21,933 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a9f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,933 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:21" (3/3) ...
[2020-09-24 16:01:21,935 INFO  L109   eAbstractionObserver]: Analyzing ICFG test15.c
[2020-09-24 16:01:21,948 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:01:21,958 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:01:21,986 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:01:22,027 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:01:22,027 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 16:01:22,028 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:01:22,028 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:01:22,028 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:01:22,028 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 16:01:22,029 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:01:22,029 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:01:22,059 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states.
[2020-09-24 16:01:22,067 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-24 16:01:22,068 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 16:01:22,069 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:01:22,070 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:01:22,078 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:01:22,079 INFO  L82        PathProgramCache]: Analyzing trace with hash -1875144090, now seen corresponding path program 1 times
[2020-09-24 16:01:22,091 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:01:22,091 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360364768]
[2020-09-24 16:01:22,092 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:01:22,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,346 FATAL L256   erpolLogProxyWrapper]: Difference in size: 2
[2020-09-24 16:01:22,347 FATAL L256   erpolLogProxyWrapper]: Difference in depth: -6
[2020-09-24 16:01:22,347 FATAL L256   erpolLogProxyWrapper]: Difference in width: 6
[2020-09-24 16:01:22,347 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,347 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 35
[2020-09-24 16:01:22,348 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,348 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 88
[2020-09-24 16:01:22,348 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 16:01:22,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 16:01:22,349 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-24 16:01:22,349 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,515 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:01:22,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,520 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:01:22,521 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:01:22,521 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:01:22,522 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,522 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:01:22,522 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,523 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:01:22,523 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,523 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:01:22,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:01:22,524 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:01:22,524 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,550 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-24 16:01:22,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,580 FATAL L256   erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:01:22,580 FATAL L256   erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:01:22,581 FATAL L256   erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:01:22,581 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,582 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-24 16:01:22,582 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,582 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-24 16:01:22,582 FATAL L256   erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 16:01:22,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:01:22,583 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-24 16:01:22,584 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:01:22,818 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360364768]
[2020-09-24 16:01:22,820 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:01:22,821 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-24 16:01:22,822 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567642373]
[2020-09-24 16:01:22,829 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-24 16:01:22,829 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:01:22,847 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-24 16:01:22,848 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2020-09-24 16:01:22,851 INFO  L87              Difference]: Start difference. First operand 43 states. Second operand 11 states.
[2020-09-24 16:01:23,326 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:01:23,326 INFO  L93              Difference]: Finished difference Result 47 states and 46 transitions.
[2020-09-24 16:01:23,327 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-24 16:01:23,328 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 26
[2020-09-24 16:01:23,329 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:01:23,339 INFO  L225             Difference]: With dead ends: 47
[2020-09-24 16:01:23,339 INFO  L226             Difference]: Without dead ends: 0
[2020-09-24 16:01:23,344 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342
[2020-09-24 16:01:23,367 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 16:01:23,375 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 16:01:23,377 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 16:01:23,378 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 16:01:23,380 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2020-09-24 16:01:23,380 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:01:23,380 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 16:01:23,380 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-24 16:01:23,381 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 16:01:23,381 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 16:01:23,381 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:01:23,384 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 16:01:23,481 INFO  L268        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO  L268        CegarLoopResult]: For program point  L-1-1(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-24 16:01:23,483 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,483 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,483 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-24 16:01:23,483 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-24 16:01:23,484 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO  L268        CegarLoopResult]: For program point  L10-9(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 9 21)  no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO  L268        CegarLoopResult]: For program point  L17(line 17)  no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO  L268        CegarLoopResult]: For program point  L13(line 13)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 9 21)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  L13-1(lines 13 15)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  L11(line 11)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  L13-2(line 13)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  L11-1(line 11)  no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO  L268        CegarLoopResult]: For program point  L13-3(line 13)  no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO  L268        CegarLoopResult]: For program point  L13-4(line 13)  no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO  L268        CegarLoopResult]: For program point  L13-5(line 13)  no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO  L268        CegarLoopResult]: For program point  mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19)  no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 9 21)  the Hoare annotation is:  (and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))
[2020-09-24 16:01:23,487 INFO  L268        CegarLoopResult]: For program point  L20(line 20)  no Hoare annotation was computed.
[2020-09-24 16:01:23,487 INFO  L264        CegarLoopResult]: At program point  L14(lines 9 21)  the Hoare annotation is:  false
[2020-09-24 16:01:23,487 INFO  L271        CegarLoopResult]: At program point  L12(line 12)  the Hoare annotation is:  true
[2020-09-24 16:01:23,487 INFO  L268        CegarLoopResult]: For program point  L12-1(line 12)  no Hoare annotation was computed.
[2020-09-24 16:01:23,487 INFO  L268        CegarLoopResult]: For program point  L10(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-1(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-2(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-3(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-4(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-5(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO  L268        CegarLoopResult]: For program point  L10-6(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO  L268        CegarLoopResult]: For program point  L10-7(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO  L268        CegarLoopResult]: For program point  L10-8(line 10)  no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO  L268        CegarLoopResult]: For program point  assignEXIT(lines 5 7)  no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO  L264        CegarLoopResult]: At program point  assignENTRY(lines 5 7)  the Hoare annotation is:  (= |#memory_int| |old(#memory_int)|)
[2020-09-24 16:01:23,489 INFO  L268        CegarLoopResult]: For program point  assignFINAL(lines 5 7)  no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO  L268        CegarLoopResult]: For program point  L6(line 6)  no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO  L268        CegarLoopResult]: For program point  L5(lines 5 7)  no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO  L268        CegarLoopResult]: For program point  L6-1(line 6)  no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO  L268        CegarLoopResult]: For program point  L6-2(line 6)  no Hoare annotation was computed.
[2020-09-24 16:01:23,504 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:01:23 BoogieIcfgContainer
[2020-09-24 16:01:23,505 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:01:23,509 INFO  L168              Benchmark]: Toolchain (without parser) took 2360.65 ms. Allocated memory was 141.0 MB in the beginning and 234.9 MB in the end (delta: 93.8 MB). Free memory was 104.9 MB in the beginning and 160.9 MB in the end (delta: -56.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,510 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,511 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 319.03 ms. Allocated memory is still 141.0 MB. Free memory was 104.2 MB in the beginning and 94.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,512 INFO  L168              Benchmark]: Boogie Preprocessor took 121.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 94.9 MB in the beginning and 182.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,513 INFO  L168              Benchmark]: RCFGBuilder took 331.74 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,514 INFO  L168              Benchmark]: TraceAbstraction took 1578.22 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 160.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,518 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 319.03 ms. Allocated memory is still 141.0 MB. Free memory was 104.2 MB in the beginning and 94.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 121.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 94.9 MB in the beginning and 182.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 331.74 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 1578.22 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 160.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 9]: Loop Invariant
    Derived loop invariant: 0
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 31 SDslu, 89 SDs, 0 SdLazy, 139 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 24 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 3275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...