/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 17:07:20,764 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 17:07:20,768 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 17:07:20,818 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 17:07:20,818 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 17:07:20,820 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 17:07:20,821 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 17:07:20,823 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 17:07:20,825 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 17:07:20,826 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 17:07:20,827 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 17:07:20,828 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 17:07:20,829 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 17:07:20,830 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 17:07:20,831 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 17:07:20,832 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 17:07:20,833 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 17:07:20,835 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 17:07:20,836 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 17:07:20,838 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 17:07:20,840 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 17:07:20,841 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 17:07:20,842 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 17:07:20,843 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 17:07:20,846 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 17:07:20,846 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 17:07:20,847 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 17:07:20,848 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 17:07:20,848 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 17:07:20,849 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 17:07:20,850 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 17:07:20,850 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 17:07:20,851 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 17:07:20,852 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 17:07:20,853 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 17:07:20,854 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 17:07:20,855 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 17:07:20,855 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 17:07:20,855 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 17:07:20,856 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 17:07:20,857 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 17:07:20,858 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 17:07:20,885 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 17:07:20,885 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 17:07:20,887 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 17:07:20,887 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 17:07:20,887 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 17:07:20,888 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 17:07:20,888 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-24 17:07:20,888 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 17:07:20,888 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-24 17:07:20,888 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 17:07:20,889 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 17:07:20,889 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 17:07:20,889 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 17:07:20,889 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-24 17:07:20,890 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 17:07:20,890 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 17:07:20,890 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 17:07:20,890 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 17:07:20,891 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 17:07:20,891 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 17:07:20,891 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 17:07:20,891 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 17:07:20,891 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 17:07:20,892 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 17:07:20,892 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 17:07:20,892 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 17:07:20,892 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 17:07:20,893 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 17:07:20,893 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 17:07:20,893 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;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;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;log-additional-information=true;
[2020-09-24 17:07:21,395 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 17:07:21,410 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 17:07:21,414 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 17:07:21,415 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 17:07:21,415 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 17:07:21,417 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i
[2020-09-24 17:07:21,518 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46180be75/c7acfcfd743849a7b1378f2a04773472/FLAG80d61a5ba
[2020-09-24 17:07:22,099 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 17:07:22,100 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/nested_structure-2.i
[2020-09-24 17:07:22,108 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46180be75/c7acfcfd743849a7b1378f2a04773472/FLAG80d61a5ba
[2020-09-24 17:07:22,436 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46180be75/c7acfcfd743849a7b1378f2a04773472
[2020-09-24 17:07:22,451 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 17:07:22,458 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 17:07:22,459 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 17:07:22,459 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 17:07:22,463 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 17:07:22,465 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,469 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194bd3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22, skipping insertion in model container
[2020-09-24 17:07:22,469 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,478 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 17:07:22,503 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 17:07:22,739 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 17:07:22,751 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 17:07:22,771 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 17:07:22,792 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 17:07:22,792 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22 WrapperNode
[2020-09-24 17:07:22,793 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 17:07:22,794 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 17:07:22,794 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 17:07:22,794 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 17:07:22,889 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,890 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,900 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,900 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,910 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,912 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,914 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (1/1) ...
[2020-09-24 17:07:22,918 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 17:07:22,919 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 17:07:22,919 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 17:07:22,919 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 17:07:22,920 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (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 17:07:22,990 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 17:07:22,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 17:07:22,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 17:07:22,991 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 17:07:22,992 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 17:07:22,992 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 17:07:22,992 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-09-24 17:07:22,992 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2020-09-24 17:07:22,992 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2020-09-24 17:07:22,993 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 17:07:22,993 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 17:07:22,993 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 17:07:22,993 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-24 17:07:22,993 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 17:07:22,994 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 17:07:22,994 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 17:07:22,994 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 17:07:22,994 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 17:07:22,994 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 17:07:22,995 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 17:07:23,320 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 17:07:23,322 INFO  L295             CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-24 17:07:23,335 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:07:23 BoogieIcfgContainer
[2020-09-24 17:07:23,335 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 17:07:23,336 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 17:07:23,337 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 17:07:23,342 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 17:07:23,348 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:07:22" (1/3) ...
[2020-09-24 17:07:23,349 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453245a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:07:23, skipping insertion in model container
[2020-09-24 17:07:23,349 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:07:22" (2/3) ...
[2020-09-24 17:07:23,350 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@453245a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:07:23, skipping insertion in model container
[2020-09-24 17:07:23,350 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:07:23" (3/3) ...
[2020-09-24 17:07:23,352 INFO  L109   eAbstractionObserver]: Analyzing ICFG nested_structure-2.i
[2020-09-24 17:07:23,364 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 17:07:23,373 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 17:07:23,391 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 17:07:23,421 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 17:07:23,421 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 17:07:23,421 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 17:07:23,421 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 17:07:23,421 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 17:07:23,421 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 17:07:23,421 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 17:07:23,422 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 17:07:23,443 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states.
[2020-09-24 17:07:23,451 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-09-24 17:07:23,451 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 17:07:23,452 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 17:07:23,453 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 17:07:23,459 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 17:07:23,459 INFO  L82        PathProgramCache]: Analyzing trace with hash 42045937, now seen corresponding path program 1 times
[2020-09-24 17:07:23,468 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 17:07:23,469 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [571086489]
[2020-09-24 17:07:23,469 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 17:07:23,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:07:23,734 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:07:24,778 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:07:24,779 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-24 17:07:24,779 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:07:24,780 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 1103
[2020-09-24 17:07:24,782 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:07:24,782 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 14
[2020-09-24 17:07:24,783 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-24 17:07:24,783 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-24 17:07:24,784 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 17:07:25,590 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 17:07:25,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 17:07:25,597 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 17:07:25,606 FATAL L256   erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 17:07:25,607 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 17:07:25,607 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 17:07:25,608 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-24 17:07:25,609 FATAL L256   erpolLogProxyWrapper]: Heuristic: RANDOM
[2020-09-24 17:07:25,610 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 17:07:25,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 17:07:25,611 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 17:07:25,612 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 17:07:25,640 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 17:07:25,643 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [571086489]
[2020-09-24 17:07:25,647 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 17:07:25,647 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2020-09-24 17:07:25,649 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934830881]
[2020-09-24 17:07:25,658 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 16 states
[2020-09-24 17:07:25,659 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 17:07:25,685 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2020-09-24 17:07:25,689 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240
[2020-09-24 17:07:25,693 INFO  L87              Difference]: Start difference. First operand 44 states. Second operand 16 states.
[2020-09-24 17:07:26,249 WARN  L193               SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50
[2020-09-24 17:07:26,433 WARN  L193               SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56
[2020-09-24 17:07:27,308 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 17:07:27,309 INFO  L93              Difference]: Finished difference Result 60 states and 59 transitions.
[2020-09-24 17:07:27,310 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2020-09-24 17:07:27,312 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states. Word has length 27
[2020-09-24 17:07:27,312 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 17:07:27,323 INFO  L225             Difference]: With dead ends: 60
[2020-09-24 17:07:27,323 INFO  L226             Difference]: Without dead ends: 0
[2020-09-24 17:07:27,331 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930
[2020-09-24 17:07:27,362 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 17:07:27,370 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 17:07:27,372 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 17:07:27,373 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 17:07:27,376 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27
[2020-09-24 17:07:27,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 17:07:27,377 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 17:07:27,377 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 16 states.
[2020-09-24 17:07:27,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 17:07:27,378 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 17:07:27,378 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 17:07:27,381 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 17:07:27,511 INFO  L268        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,511 INFO  L268        CegarLoopResult]: For program point  L-1-1(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,512 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,512 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-24 17:07:27,512 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,512 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,513 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-24 17:07:27,513 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-24 17:07:27,513 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-24 17:07:27,513 INFO  L268        CegarLoopResult]: For program point  L33(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,513 INFO  L268        CegarLoopResult]: For program point  L33-1(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,514 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-09-24 17:07:27,514 INFO  L268        CegarLoopResult]: For program point  L33-2(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,514 INFO  L268        CegarLoopResult]: For program point  L31-1(line 31)  no Hoare annotation was computed.
[2020-09-24 17:07:27,514 INFO  L264        CegarLoopResult]: At program point  L33-3(line 33)  the Hoare annotation is:  (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= |main_~#good~0.offset| 0) (not (= .cse0 .cse1)) (= |main_#t~mem4| 4) (<= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse2))) 4) (<= 0 |main_~#inner~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))))
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L29(line 29)  no Hoare annotation was computed.
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L31-2(line 31)  no Hoare annotation was computed.
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L33-4(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L29-1(line 29)  no Hoare annotation was computed.
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L33-5(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,515 INFO  L268        CegarLoopResult]: For program point  L31-3(line 31)  no Hoare annotation was computed.
[2020-09-24 17:07:27,516 INFO  L268        CegarLoopResult]: For program point  L33-6(line 33)  no Hoare annotation was computed.
[2020-09-24 17:07:27,516 INFO  L268        CegarLoopResult]: For program point  L29-2(line 29)  no Hoare annotation was computed.
[2020-09-24 17:07:27,516 INFO  L268        CegarLoopResult]: For program point  L31-4(line 31)  no Hoare annotation was computed.
[2020-09-24 17:07:27,516 INFO  L268        CegarLoopResult]: For program point  L29-3(line 29)  no Hoare annotation was computed.
[2020-09-24 17:07:27,516 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 27 35)  no Hoare annotation was computed.
[2020-09-24 17:07:27,517 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 27 35)  no Hoare annotation was computed.
[2020-09-24 17:07:27,517 INFO  L268        CegarLoopResult]: For program point  L34(line 34)  no Hoare annotation was computed.
[2020-09-24 17:07:27,517 INFO  L268        CegarLoopResult]: For program point  L32(line 32)  no Hoare annotation was computed.
[2020-09-24 17:07:27,517 INFO  L268        CegarLoopResult]: For program point  L32-1(line 32)  no Hoare annotation was computed.
[2020-09-24 17:07:27,517 INFO  L268        CegarLoopResult]: For program point  L30(line 30)  no Hoare annotation was computed.
[2020-09-24 17:07:27,518 INFO  L268        CegarLoopResult]: For program point  L32-2(line 32)  no Hoare annotation was computed.
[2020-09-24 17:07:27,518 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 27 35)  the Hoare annotation is:  (= |old(#valid)| |#valid|)
[2020-09-24 17:07:27,518 INFO  L268        CegarLoopResult]: For program point  L30-1(line 30)  no Hoare annotation was computed.
[2020-09-24 17:07:27,518 INFO  L268        CegarLoopResult]: For program point  L32-3(line 32)  no Hoare annotation was computed.
[2020-09-24 17:07:27,518 INFO  L268        CegarLoopResult]: For program point  L30-2(line 30)  no Hoare annotation was computed.
[2020-09-24 17:07:27,518 INFO  L268        CegarLoopResult]: For program point  L30-3(line 30)  no Hoare annotation was computed.
[2020-09-24 17:07:27,519 INFO  L268        CegarLoopResult]: For program point  L30-4(line 30)  no Hoare annotation was computed.
[2020-09-24 17:07:27,519 INFO  L268        CegarLoopResult]: For program point  L3-2(lines 2 7)  no Hoare annotation was computed.
[2020-09-24 17:07:27,519 INFO  L271        CegarLoopResult]: At program point  __VERIFIER_assertENTRY(lines 2 7)  the Hoare annotation is:  true
[2020-09-24 17:07:27,519 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertEXIT(lines 2 7)  no Hoare annotation was computed.
[2020-09-24 17:07:27,519 INFO  L268        CegarLoopResult]: For program point  L4(line 4)  no Hoare annotation was computed.
[2020-09-24 17:07:27,520 INFO  L268        CegarLoopResult]: For program point  L3(lines 3 5)  no Hoare annotation was computed.
[2020-09-24 17:07:27,520 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4)  no Hoare annotation was computed.
[2020-09-24 17:07:27,527 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 05:07:27 BoogieIcfgContainer
[2020-09-24 17:07:27,528 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 17:07:27,530 INFO  L168              Benchmark]: Toolchain (without parser) took 5077.07 ms. Allocated memory was 141.0 MB in the beginning and 246.4 MB in the end (delta: 105.4 MB). Free memory was 104.2 MB in the beginning and 208.9 MB in the end (delta: -104.7 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB.
[2020-09-24 17:07:27,531 INFO  L168              Benchmark]: CDTParser took 0.29 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 17:07:27,532 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 334.41 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 93.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2020-09-24 17:07:27,533 INFO  L168              Benchmark]: Boogie Preprocessor took 124.68 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.4 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
[2020-09-24 17:07:27,534 INFO  L168              Benchmark]: RCFGBuilder took 416.67 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 163.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB.
[2020-09-24 17:07:27,535 INFO  L168              Benchmark]: TraceAbstraction took 4191.34 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 162.9 MB in the beginning and 208.9 MB in the end (delta: -46.0 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB.
[2020-09-24 17:07:27,539 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 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 334.41 ms. Allocated memory is still 141.0 MB. Free memory was 103.6 MB in the beginning and 93.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 124.68 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 93.4 MB in the beginning and 181.4 MB in the end (delta: -88.1 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 416.67 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 163.5 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 4191.34 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 162.9 MB in the beginning and 208.9 MB in the end (delta: -46.0 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 4]: 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
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 4 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 78 SDslu, 181 SDs, 0 SdLazy, 232 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 134 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 12584 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...