/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 20:42:11,819 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 20:42:11,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 20:42:11,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 20:42:11,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 20:42:11,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 20:42:11,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 20:42:11,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 20:42:11,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 20:42:11,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 20:42:11,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 20:42:11,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 20:42:11,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 20:42:11,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 20:42:11,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 20:42:11,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 20:42:11,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 20:42:11,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 20:42:11,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 20:42:11,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 20:42:11,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 20:42:11,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 20:42:11,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 20:42:11,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 20:42:11,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 20:42:11,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 20:42:11,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 20:42:11,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 20:42:11,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 20:42:11,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 20:42:11,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 20:42:11,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 20:42:11,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 20:42:11,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 20:42:11,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 20:42:11,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 20:42:11,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 20:42:11,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 20:42:11,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 20:42:11,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 20:42:11,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 20:42:11,954 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 20:42:11,998 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 20:42:11,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 20:42:11,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 20:42:12,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 20:42:12,000 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 20:42:12,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 20:42:12,001 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 20:42:12,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 20:42:12,001 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 20:42:12,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 20:42:12,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 20:42:12,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 20:42:12,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 20:42:12,002 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 20:42:12,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 20:42:12,003 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 20:42:12,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 20:42:12,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 20:42:12,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 20:42:12,003 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 20:42:12,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 20:42:12,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 20:42:12,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 20:42:12,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 20:42:12,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 20:42:12,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 20:42:12,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 20:42:12,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 20:42:12,005 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 20:42:12,005 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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;
[2020-09-24 20:42:12,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 20:42:12,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 20:42:12,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 20:42:12,532 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 20:42:12,532 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 20:42:12,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c
[2020-09-24 20:42:12,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a965f0414/99b975782f7f437cb79d452876248b1a/FLAG7ff0703ca
[2020-09-24 20:42:13,126 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 20:42:13,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c
[2020-09-24 20:42:13,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a965f0414/99b975782f7f437cb79d452876248b1a/FLAG7ff0703ca
[2020-09-24 20:42:13,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a965f0414/99b975782f7f437cb79d452876248b1a
[2020-09-24 20:42:13,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 20:42:13,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 20:42:13,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 20:42:13,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 20:42:13,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 20:42:13,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acd657e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13, skipping insertion in model container
[2020-09-24 20:42:13,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 20:42:13,531 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 20:42:13,755 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 20:42:13,761 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 20:42:13,795 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 20:42:13,817 INFO L208 MainTranslator]: Completed translation
[2020-09-24 20:42:13,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13 WrapperNode
[2020-09-24 20:42:13,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 20:42:13,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 20:42:13,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 20:42:13,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 20:42:13,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (1/1) ...
[2020-09-24 20:42:13,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 20:42:13,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 20:42:13,942 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 20:42:13,942 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 20:42:13,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (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 20:42:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 20:42:14,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 20:42:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 20:42:14,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 20:42:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 20:42:14,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-24 20:42:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 20:42:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 20:42:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 20:42:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 20:42:14,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 20:42:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 20:42:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 20:42:14,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 20:42:14,353 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 20:42:14,353 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-24 20:42:14,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:42:14 BoogieIcfgContainer
[2020-09-24 20:42:14,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 20:42:14,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 20:42:14,360 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 20:42:14,364 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 20:42:14,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:42:13" (1/3) ...
[2020-09-24 20:42:14,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0f9eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:42:14, skipping insertion in model container
[2020-09-24 20:42:14,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:42:13" (2/3) ...
[2020-09-24 20:42:14,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0f9eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:42:14, skipping insertion in model container
[2020-09-24 20:42:14,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:42:14" (3/3) ...
[2020-09-24 20:42:14,369 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_sendmail_tTflag_arr_one_loop.c
[2020-09-24 20:42:14,381 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 20:42:14,391 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 20:42:14,413 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 20:42:14,441 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 20:42:14,441 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 20:42:14,442 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 20:42:14,442 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 20:42:14,442 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 20:42:14,442 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 20:42:14,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 20:42:14,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 20:42:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states.
[2020-09-24 20:42:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-09-24 20:42:14,473 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 20:42:14,474 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 20:42:14,475 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 20:42:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 20:42:14,482 INFO L82 PathProgramCache]: Analyzing trace with hash 435763839, now seen corresponding path program 1 times
[2020-09-24 20:42:14,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 20:42:14,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [782959837]
[2020-09-24 20:42:14,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 20:42:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:42:14,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:42:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:42:14,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:42:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 20:42:15,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36
[2020-09-24 20:42:15,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-24 20:42:15,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445
[2020-09-24 20:42:15,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 20:42:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 20:42:15,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-24 20:42:15,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 20:42:15,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-24 20:42:15,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 20:42:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 20:42:15,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 20:42:15,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 20:42:15,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 20:42:15,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 20:42:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-24 20:42:15,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST
[2020-09-24 20:42:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 20:42:15,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 20:42:15,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 20:42:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 20:42:15,297 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 20:42:15,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [782959837]
[2020-09-24 20:42:15,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 20:42:15,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 20:42:15,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086371473]
[2020-09-24 20:42:15,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 20:42:15,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 20:42:15,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 20:42:15,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-24 20:42:15,326 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 5 states.
[2020-09-24 20:42:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 20:42:15,531 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions.
[2020-09-24 20:42:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 20:42:15,534 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27
[2020-09-24 20:42:15,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 20:42:15,543 INFO L225 Difference]: With dead ends: 79
[2020-09-24 20:42:15,543 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 20:42:15,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-09-24 20:42:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 20:42:15,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 20:42:15,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 20:42:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 20:42:15,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27
[2020-09-24 20:42:15,575 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 20:42:15,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 20:42:15,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 20:42:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 20:42:15,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 20:42:15,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 20:42:15,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 20:42:15,639 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,640 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,640 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,640 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 20:42:15,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,641 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 20:42:15,641 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 20:42:15,642 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 20:42:15,642 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-24 20:42:15,642 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed.
[2020-09-24 20:42:15,642 INFO L268 CegarLoopResult]: For program point L31-2(line 31) no Hoare annotation was computed.
[2020-09-24 20:42:15,642 INFO L271 CegarLoopResult]: At program point L27-2(lines 27 33) the Hoare annotation is: true
[2020-09-24 20:42:15,643 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 37) no Hoare annotation was computed.
[2020-09-24 20:42:15,643 INFO L271 CegarLoopResult]: At program point L27-3(lines 27 33) the Hoare annotation is: true
[2020-09-24 20:42:15,643 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 20:42:15,643 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-24 20:42:15,643 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-24 20:42:15,644 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-24 20:42:15,644 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-24 20:42:15,644 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed.
[2020-09-24 20:42:15,644 INFO L268 CegarLoopResult]: For program point L32-1(line 32) no Hoare annotation was computed.
[2020-09-24 20:42:15,644 INFO L268 CegarLoopResult]: For program point L32-2(line 32) no Hoare annotation was computed.
[2020-09-24 20:42:15,645 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-24 20:42:15,645 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-24 20:42:15,645 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-24 20:42:15,645 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-24 20:42:15,646 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed.
[2020-09-24 20:42:15,646 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed.
[2020-09-24 20:42:15,646 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-24 20:42:15,646 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 37) no Hoare annotation was computed.
[2020-09-24 20:42:15,646 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-24 20:42:15,647 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 10 37) the Hoare annotation is: (= |old(#valid)| |#valid|)
[2020-09-24 20:42:15,647 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-24 20:42:15,647 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed.
[2020-09-24 20:42:15,647 INFO L268 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed.
[2020-09-24 20:42:15,648 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-24 20:42:15,648 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-24 20:42:15,648 INFO L268 CegarLoopResult]: For program point L18-3(lines 18 20) no Hoare annotation was computed.
[2020-09-24 20:42:15,648 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-24 20:42:15,648 INFO L268 CegarLoopResult]: For program point L18-4(line 18) no Hoare annotation was computed.
[2020-09-24 20:42:15,649 INFO L268 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed.
[2020-09-24 20:42:15,649 INFO L271 CegarLoopResult]: At program point L18-6(lines 18 20) the Hoare annotation is: true
[2020-09-24 20:42:15,649 INFO L268 CegarLoopResult]: For program point L18-7(lines 18 20) no Hoare annotation was computed.
[2020-09-24 20:42:15,649 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-24 20:42:15,650 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true
[2020-09-24 20:42:15,650 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed.
[2020-09-24 20:42:15,650 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-24 20:42:15,650 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed.
[2020-09-24 20:42:15,650 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed.
[2020-09-24 20:42:15,651 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 9) no Hoare annotation was computed.
[2020-09-24 20:42:15,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:42:15 BoogieIcfgContainer
[2020-09-24 20:42:15,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 20:42:15,668 INFO L168 Benchmark]: Toolchain (without parser) took 2184.04 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 102.5 MB in the beginning and 103.4 MB in the end (delta: -850.7 kB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,669 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.86 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 91.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,671 INFO L168 Benchmark]: Boogie Preprocessor took 122.94 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 180.8 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,672 INFO L168 Benchmark]: RCFGBuilder took 416.92 ms. Allocated memory is still 202.4 MB. Free memory was 180.1 MB in the beginning and 163.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,673 INFO L168 Benchmark]: TraceAbstraction took 1304.37 ms. Allocated memory is still 202.4 MB. Free memory was 163.4 MB in the beginning and 103.4 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB.
[2020-09-24 20:42:15,678 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 331.86 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 91.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 122.94 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 180.8 MB in the end (delta: -89.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 416.92 ms. Allocated memory is still 202.4 MB. Free memory was 180.1 MB in the beginning and 163.4 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1304.37 ms. Allocated memory is still 202.4 MB. Free memory was 163.4 MB in the beginning and 103.4 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 6]: 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: 18]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 27]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 8 SDslu, 94 SDs, 0 SdLazy, 47 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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, 8 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 19 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 1014 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...