/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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
[2020-09-25 14:34:56,942 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:34:56,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:34:56,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:34:56,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:34:57,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:34:57,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:34:57,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:34:57,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:34:57,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:34:57,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:34:57,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:34:57,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:34:57,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:34:57,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:34:57,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:34:57,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:34:57,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:34:57,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:34:57,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:34:57,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:34:57,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:34:57,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:34:57,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:34:57,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:34:57,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:34:57,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:34:57,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:34:57,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:34:57,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:34:57,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:34:57,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:34:57,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:34:57,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:34:57,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:34:57,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:34:57,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:34:57,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:34:57,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:34:57,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:34:57,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:34:57,069 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
[2020-09-25 14:34:57,119 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:34:57,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:34:57,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:34:57,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:34:57,122 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:34:57,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:34:57,123 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:34:57,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:34:57,123 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:34:57,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:34:57,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:34:57,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:34:57,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:34:57,125 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:34:57,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:34:57,126 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:34:57,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:34:57,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:34:57,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:34:57,127 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:34:57,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:34:57,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:34:57,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:34:57,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:34:57,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:34:57,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:34:57,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:34:57,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:34:57,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:34:57,129 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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:34:57,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:34:57,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:34:57,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:34:57,632 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:34:57,632 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:34:57,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-25 14:34:57,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5d9064c7/1bea6c5b3d4b4e61994f39e4ca057cfc/FLAGa5af689dd
[2020-09-25 14:34:58,327 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:34:58,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-25 14:34:58,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5d9064c7/1bea6c5b3d4b4e61994f39e4ca057cfc/FLAGa5af689dd
[2020-09-25 14:34:58,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5d9064c7/1bea6c5b3d4b4e61994f39e4ca057cfc
[2020-09-25 14:34:58,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:34:58,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:34:58,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:34:58,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:34:58,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:34:58,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:58" (1/1) ...
[2020-09-25 14:34:58,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b69db26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:58, skipping insertion in model container
[2020-09-25 14:34:58,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:34:58" (1/1) ...
[2020-09-25 14:34:58,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:34:58,745 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:34:58,965 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:34:58,980 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:34:58,997 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:34:59,015 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:34:59,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59 WrapperNode
[2020-09-25 14:34:59,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:34:59,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:34:59,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:34:59,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:34:59,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (1/1) ...
[2020-09-25 14:34:59,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:34:59,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:34:59,140 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:34:59,140 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:34:59,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (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
[2020-09-25 14:34:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:34:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:34:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assign
[2020-09-25 14:34:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:34:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:34:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 14:34:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure assign
[2020-09-25 14:34:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:34:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:34:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:34:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:34:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:34:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:34:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:34:59,539 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:34:59,539 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 14:34:59,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:59 BoogieIcfgContainer
[2020-09-25 14:34:59,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:34:59,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:34:59,556 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:34:59,569 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:34:59,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:34:58" (1/3) ...
[2020-09-25 14:34:59,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eda42e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:59, skipping insertion in model container
[2020-09-25 14:34:59,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:34:59" (2/3) ...
[2020-09-25 14:34:59,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eda42e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:34:59, skipping insertion in model container
[2020-09-25 14:34:59,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:34:59" (3/3) ...
[2020-09-25 14:34:59,576 INFO L109 eAbstractionObserver]: Analyzing ICFG test15.c
[2020-09-25 14:34:59,594 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:34:59,605 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:34:59,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:34:59,658 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:34:59,659 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:34:59,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:34:59,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:34:59,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:34:59,659 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:34:59,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:34:59,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:34:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states.
[2020-09-25 14:34:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-25 14:34:59,690 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:34:59,691 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]
[2020-09-25 14:34:59,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:34:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:34:59,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1875144090, now seen corresponding path program 1 times
[2020-09-25 14:34:59,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:34:59,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532768448]
[2020-09-25 14:34:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:34:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:34:59,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:35:00,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:35:00,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35
[2020-09-25 14:35:00,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:35:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551
[2020-09-25 14:35:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:35:00,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:35:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-25 14:35:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 14:35:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 14:35:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7
[2020-09-25 14:35:00,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:35:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:35:00,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:35:00,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:35:00,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 14:35:00,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:35:00,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 14:35:00,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:35:00,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:35:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:35:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:35:00,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:35:00,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:35:00,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 14:35:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:35:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:35:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:35:00,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 14:35:00,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:35:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62
[2020-09-25 14:35:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:35:00,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:35:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 14:35:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:35:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 14:35:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:35:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:35:00,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [532768448]
[2020-09-25 14:35:00,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:35:00,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 14:35:00,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012116300]
[2020-09-25 14:35:00,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 14:35:00,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:35:01,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 14:35:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2020-09-25 14:35:01,032 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states.
[2020-09-25 14:35:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:35:01,679 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions.
[2020-09-25 14:35:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 14:35:01,682 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26
[2020-09-25 14:35:01,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:35:01,692 INFO L225 Difference]: With dead ends: 47
[2020-09-25 14:35:01,692 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 14:35:01,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342
[2020-09-25 14:35:01,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 14:35:01,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 14:35:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 14:35:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 14:35:01,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2020-09-25 14:35:01,732 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:35:01,733 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 14:35:01,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 14:35:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 14:35:01,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 14:35:01,734 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:35:01,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 14:35:01,861 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,862 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,862 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,862 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|))
[2020-09-25 14:35:01,862 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,863 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,864 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 14:35:01,864 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 14:35:01,864 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 14:35:01,864 INFO L268 CegarLoopResult]: For program point L10-9(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 9 21) no Hoare annotation was computed.
[2020-09-25 14:35:01,864 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 9 21) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point L13-1(lines 13 15) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-25 14:35:01,865 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed.
[2020-09-25 14:35:01,868 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed.
[2020-09-25 14:35:01,868 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed.
[2020-09-25 14:35:01,869 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed.
[2020-09-25 14:35:01,869 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2020-09-25 14:35:01,870 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 9 21) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))
[2020-09-25 14:35:01,870 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-25 14:35:01,870 INFO L264 CegarLoopResult]: At program point L14(lines 9 21) the Hoare annotation is: false
[2020-09-25 14:35:01,870 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true
[2020-09-25 14:35:01,870 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-25 14:35:01,870 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,871 INFO L268 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,872 INFO L268 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,872 INFO L268 CegarLoopResult]: For program point L10-3(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,873 INFO L268 CegarLoopResult]: For program point L10-4(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,873 INFO L268 CegarLoopResult]: For program point L10-5(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,874 INFO L268 CegarLoopResult]: For program point L10-6(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,874 INFO L268 CegarLoopResult]: For program point L10-7(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,874 INFO L268 CegarLoopResult]: For program point L10-8(line 10) no Hoare annotation was computed.
[2020-09-25 14:35:01,874 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 5 7) no Hoare annotation was computed.
[2020-09-25 14:35:01,875 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 7) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|)
[2020-09-25 14:35:01,875 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 5 7) no Hoare annotation was computed.
[2020-09-25 14:35:01,875 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-25 14:35:01,875 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed.
[2020-09-25 14:35:01,875 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed.
[2020-09-25 14:35:01,875 INFO L268 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed.
[2020-09-25 14:35:01,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:35:01 BoogieIcfgContainer
[2020-09-25 14:35:01,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:35:01,898 INFO L168 Benchmark]: Toolchain (without parser) took 3209.87 ms. Allocated memory was 141.6 MB in the beginning and 232.8 MB in the end (delta: 91.2 MB). Free memory was 103.5 MB in the beginning and 122.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,901 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.62 ms. Allocated memory is still 141.6 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,906 INFO L168 Benchmark]: Boogie Preprocessor took 122.75 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 93.4 MB in the beginning and 180.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,909 INFO L168 Benchmark]: RCFGBuilder took 405.37 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 165.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,911 INFO L168 Benchmark]: TraceAbstraction took 2337.72 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 122.9 MB in the end (delta: 41.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 7.1 GB.
[2020-09-25 14:35:01,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 141.6 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 321.62 ms. Allocated memory is still 141.6 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 122.75 ms. Allocated memory was 141.6 MB in the beginning and 202.4 MB in the end (delta: 60.8 MB). Free memory was 93.4 MB in the beginning and 180.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 405.37 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 165.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2337.72 ms. Allocated memory was 202.4 MB in the beginning and 232.8 MB in the end (delta: 30.4 MB). Free memory was 164.8 MB in the beginning and 122.9 MB in the end (delta: 41.9 MB). Peak memory consumption was 72.4 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: 2.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 31 SDslu, 104 SDs, 0 SdLazy, 151 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, 21 ImplicationChecksByTransitivity, 0.6s 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, 1.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 4275 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...