/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test28-2.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 21:53:26,890 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 21:53:26,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 21:53:26,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 21:53:26,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 21:53:26,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 21:53:26,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 21:53:26,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 21:53:26,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 21:53:26,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 21:53:26,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 21:53:26,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 21:53:26,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 21:53:26,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 21:53:26,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 21:53:26,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 21:53:26,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 21:53:26,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 21:53:26,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 21:53:26,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 21:53:26,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 21:53:26,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 21:53:26,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 21:53:26,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 21:53:26,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 21:53:26,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 21:53:26,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 21:53:26,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 21:53:26,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 21:53:26,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 21:53:26,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 21:53:26,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 21:53:26,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 21:53:26,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 21:53:26,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 21:53:26,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 21:53:26,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 21:53:26,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 21:53:26,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 21:53:26,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 21:53:26,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 21:53:26,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 21:53:27,006 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 21:53:27,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 21:53:27,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 21:53:27,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 21:53:27,010 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 21:53:27,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 21:53:27,010 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 21:53:27,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 21:53:27,015 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 21:53:27,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 21:53:27,016 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 21:53:27,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 21:53:27,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 21:53:27,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 21:53:27,016 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 21:53:27,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 21:53:27,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 21:53:27,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 21:53:27,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 21:53:27,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 21:53:27,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 21:53:27,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:53:27,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 21:53:27,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 21:53:27,018 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 21:53:27,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 21:53:27,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 21:53:27,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 21:53:27,323 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 21:53:27,324 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 21:53:27,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-2.c
[2020-07-20 21:53:27,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f57f366/fed4da27e9504ad795b7be869266f396/FLAGa1c83e451
[2020-07-20 21:53:27,816 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 21:53:27,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-2.c
[2020-07-20 21:53:27,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f57f366/fed4da27e9504ad795b7be869266f396/FLAGa1c83e451
[2020-07-20 21:53:28,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f57f366/fed4da27e9504ad795b7be869266f396
[2020-07-20 21:53:28,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 21:53:28,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 21:53:28,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 21:53:28,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 21:53:28,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 21:53:28,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164c7927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28, skipping insertion in model container
[2020-07-20 21:53:28,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 21:53:28,269 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 21:53:28,429 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:53:28,439 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 21:53:28,456 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 21:53:28,468 INFO L208 MainTranslator]: Completed translation
[2020-07-20 21:53:28,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28 WrapperNode
[2020-07-20 21:53:28,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 21:53:28,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 21:53:28,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 21:53:28,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 21:53:28,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
[2020-07-20 21:53:28,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 21:53:28,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 21:53:28,581 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 21:53:28,581 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 21:53:28,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 21:53:28,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 21:53:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 21:53:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 21:53:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 21:53:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-07-20 21:53:28,645 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 21:53:28,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 21:53:28,837 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 21:53:28,838 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-07-20 21:53:28,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:53:28 BoogieIcfgContainer
[2020-07-20 21:53:28,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 21:53:28,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 21:53:28,842 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 21:53:28,845 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 21:53:28,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:53:28" (1/3) ...
[2020-07-20 21:53:28,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c3bc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:53:28, skipping insertion in model container
[2020-07-20 21:53:28,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:53:28" (2/3) ...
[2020-07-20 21:53:28,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c3bc38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:53:28, skipping insertion in model container
[2020-07-20 21:53:28,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:53:28" (3/3) ...
[2020-07-20 21:53:28,848 INFO L109 eAbstractionObserver]: Analyzing ICFG test28-2.c
[2020-07-20 21:53:28,858 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 21:53:28,863 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 21:53:28,875 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 21:53:28,897 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 21:53:28,897 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 21:53:28,897 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 21:53:28,898 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 21:53:28,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 21:53:28,898 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 21:53:28,898 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 21:53:28,898 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 21:53:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states.
[2020-07-20 21:53:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-07-20 21:53:28,918 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:53:28,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:53:28,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:53:28,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:53:28,924 INFO L82 PathProgramCache]: Analyzing trace with hash 668850033, now seen corresponding path program 1 times
[2020-07-20 21:53:28,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:53:28,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432953798]
[2020-07-20 21:53:28,933 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:53:29,034 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s)
[2020-07-20 21:53:29,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:53:29,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 21:53:29,045 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:53:29,124 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8
[2020-07-20 21:53:29,130 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-07-20 21:53:29,139 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-07-20 21:53:29,139 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2020-07-20 21:53:29,140 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4
[2020-07-20 21:53:29,176 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 21:53:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:53:29,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:53:29,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432953798]
[2020-07-20 21:53:29,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:53:29,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 21:53:29,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089497824]
[2020-07-20 21:53:29,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 21:53:29,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:53:29,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 21:53:29,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-07-20 21:53:29,218 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states.
[2020-07-20 21:53:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:53:29,354 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions.
[2020-07-20 21:53:29,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-07-20 21:53:29,357 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13
[2020-07-20 21:53:29,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:53:29,366 INFO L225 Difference]: With dead ends: 31
[2020-07-20 21:53:29,367 INFO L226 Difference]: Without dead ends: 14
[2020-07-20 21:53:29,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2020-07-20 21:53:29,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2020-07-20 21:53:29,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2020-07-20 21:53:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states.
[2020-07-20 21:53:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions.
[2020-07-20 21:53:29,405 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13
[2020-07-20 21:53:29,405 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:53:29,405 INFO L479 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions.
[2020-07-20 21:53:29,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 21:53:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions.
[2020-07-20 21:53:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-07-20 21:53:29,407 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 21:53:29,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 21:53:29,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:53:29,622 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 21:53:29,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 21:53:29,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1851109901, now seen corresponding path program 1 times
[2020-07-20 21:53:29,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 21:53:29,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591068631]
[2020-07-20 21:53:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:53:29,680 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 21:53:29,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 21:53:29,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core
[2020-07-20 21:53:29,686 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 21:53:29,711 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2020-07-20 21:53:29,712 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2020-07-20 21:53:29,716 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-07-20 21:53:29,717 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts.
[2020-07-20 21:53:29,717 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9
[2020-07-20 21:53:29,729 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 21:53:29,732 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 21:53:29,818 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts
[2020-07-20 21:53:29,821 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 21:53:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 21:53:29,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 21:53:29,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591068631]
[2020-07-20 21:53:29,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 21:53:29,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-07-20 21:53:29,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746686466]
[2020-07-20 21:53:29,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-07-20 21:53:29,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 21:53:29,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-07-20 21:53:29,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-07-20 21:53:29,838 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 5 states.
[2020-07-20 21:53:30,899 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 30
[2020-07-20 21:53:30,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 21:53:30,929 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions.
[2020-07-20 21:53:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-07-20 21:53:30,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-07-20 21:53:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 21:53:30,930 INFO L225 Difference]: With dead ends: 14
[2020-07-20 21:53:30,930 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 21:53:30,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-07-20 21:53:30,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 21:53:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 21:53:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 21:53:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 21:53:30,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13
[2020-07-20 21:53:30,933 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 21:53:30,933 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 21:53:30,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-07-20 21:53:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 21:53:30,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 21:53:31,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 21:53:31,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 21:53:31,190 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 21:53:31,190 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true
[2020-07-20 21:53:31,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 21:53:31,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 21:53:31,191 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-07-20 21:53:31,191 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 21:53:31,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 21:53:31,192 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed.
[2020-07-20 21:53:31,192 INFO L264 CegarLoopResult]: At program point L21(lines 11 28) the Hoare annotation is: false
[2020-07-20 21:53:31,194 INFO L268 CegarLoopResult]: For program point L15(lines 15 19) no Hoare annotation was computed.
[2020-07-20 21:53:31,195 INFO L268 CegarLoopResult]: For program point L15-2(lines 15 19) no Hoare annotation was computed.
[2020-07-20 21:53:31,195 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed.
[2020-07-20 21:53:31,195 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed.
[2020-07-20 21:53:31,196 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 10 28) the Hoare annotation is: true
[2020-07-20 21:53:31,196 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-07-20 21:53:31,196 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 22) no Hoare annotation was computed.
[2020-07-20 21:53:31,196 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-07-20 21:53:31,196 INFO L268 CegarLoopResult]: For program point L14-2(line 14) no Hoare annotation was computed.
[2020-07-20 21:53:31,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:53:31 BoogieIcfgContainer
[2020-07-20 21:53:31,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 21:53:31,212 INFO L168 Benchmark]: Toolchain (without parser) took 2978.55 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 104.1 MB in the beginning and 97.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,215 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.60 ms. Allocated memory is still 146.3 MB. Free memory was 103.9 MB in the beginning and 94.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,217 INFO L168 Benchmark]: Boogie Preprocessor took 111.50 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 94.0 MB in the beginning and 180.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,219 INFO L168 Benchmark]: RCFGBuilder took 260.60 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 166.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,226 INFO L168 Benchmark]: TraceAbstraction took 2366.84 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 97.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB.
[2020-07-20 21:53:31,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.55 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 233.60 ms. Allocated memory is still 146.3 MB. Free memory was 103.9 MB in the beginning and 94.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 111.50 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 94.0 MB in the beginning and 180.8 MB in the end (delta: -86.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 260.60 ms. Allocated memory is still 202.4 MB. Free memory was 180.8 MB in the beginning and 166.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2366.84 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 97.3 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 26]: 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: 11]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 19 SDslu, 61 SDs, 0 SdLazy, 44 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 26 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 1 QuantifiedInterpolants, 1116 SizeOfPredicates, 11 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...