/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test15.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:01:19,469 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:01:19,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:01:19,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:01:19,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:01:19,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:01:19,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:01:19,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:01:19,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:01:19,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:01:19,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:01:19,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:01:19,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:01:19,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:01:19,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:01:19,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:01:19,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:01:19,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:01:19,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:01:19,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:01:19,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:01:19,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:01:19,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:01:19,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:01:19,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:01:19,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:01:19,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:01:19,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:01:19,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:01:19,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:01:19,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:01:19,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:01:19,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:01:19,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:01:19,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:01:19,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:01:19,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:01:19,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:01:19,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:01:19,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:01:19,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:01:19,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 16:01:19,588 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:01:19,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:01:19,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:01:19,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:01:19,590 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:01:19,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:01:19,591 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:01:19,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:01:19,591 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:01:19,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:01:19,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:01:19,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:01:19,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:01:19,592 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:01:19,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:01:19,593 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:01:19,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:01:19,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:01:19,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:01:19,594 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:01:19,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:01:19,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:01:19,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:01:19,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:01:19,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:01:19,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:01:19,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:01:19,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:01:19,595 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:01:19,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:01:20,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:01:20,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:01:20,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:01:20,087 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:01:20,087 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:01:20,088 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-24 16:01:20,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460/FLAGca0167e6e
[2020-09-24 16:01:20,787 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:01:20,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test15.c
[2020-09-24 16:01:20,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460/FLAGca0167e6e
[2020-09-24 16:01:21,130 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae341fa82/b9659d26f8dd461094183144dc1a1460
[2020-09-24 16:01:21,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:01:21,151 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:01:21,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:01:21,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:01:21,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:01:21,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489547ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:01:21,200 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:01:21,415 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:01:21,431 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:01:21,451 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:01:21,470 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:01:21,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21 WrapperNode
[2020-09-24 16:01:21,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:01:21,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:01:21,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:01:21,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:01:21,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
[2020-09-24 16:01:21,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:01:21,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:01:21,594 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:01:21,594 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:01:21,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:01:21,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assign
[2020-09-24 16:01:21,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:01:21,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:01:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure assign
[2020-09-24 16:01:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 16:01:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 16:01:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:01:21,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 16:01:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 16:01:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:01:21,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:01:21,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:01:21,919 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-24 16:01:21,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:21 BoogieIcfgContainer
[2020-09-24 16:01:21,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:01:21,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:01:21,927 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:01:21,931 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:01:21,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:01:21" (1/3) ...
[2020-09-24 16:01:21,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a9f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:21" (2/3) ...
[2020-09-24 16:01:21,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728a9f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:21, skipping insertion in model container
[2020-09-24 16:01:21,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:21" (3/3) ...
[2020-09-24 16:01:21,935 INFO L109 eAbstractionObserver]: Analyzing ICFG test15.c
[2020-09-24 16:01:21,948 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:01:21,958 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:01:21,986 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:01:22,027 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:01:22,027 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:01:22,028 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:01:22,028 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:01:22,028 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:01:22,028 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:01:22,029 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:01:22,029 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:01:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states.
[2020-09-24 16:01:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-24 16:01:22,068 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:01:22,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:01:22,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:01:22,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:01:22,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1875144090, now seen corresponding path program 1 times
[2020-09-24 16:01:22,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:01:22,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1360364768]
[2020-09-24 16:01:22,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:01:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2
[2020-09-24 16:01:22,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -6
[2020-09-24 16:01:22,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 6
[2020-09-24 16:01:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35
[2020-09-24 16:01:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88
[2020-09-24 16:01:22,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8
[2020-09-24 16:01:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-24 16:01:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-24 16:01:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:01:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:01:22,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:01:22,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:01:22,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-24 16:01:22,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:01:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:01:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:01:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:01:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-24 16:01:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:01:22,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:01:22,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:01:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:01:22,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:01:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-24 16:01:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:01:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-24 16:01:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:01:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 16:01:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:01:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-24 16:01:22,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:01:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 16:01:22,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1360364768]
[2020-09-24 16:01:22,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:01:22,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-24 16:01:22,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567642373]
[2020-09-24 16:01:22,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-24 16:01:22,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:01:22,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-24 16:01:22,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2020-09-24 16:01:22,851 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 11 states.
[2020-09-24 16:01:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:01:23,326 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions.
[2020-09-24 16:01:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-24 16:01:23,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26
[2020-09-24 16:01:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:01:23,339 INFO L225 Difference]: With dead ends: 47
[2020-09-24 16:01:23,339 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 16:01:23,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342
[2020-09-24 16:01:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 16:01:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 16:01:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 16:01:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 16:01:23,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2020-09-24 16:01:23,380 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:01:23,380 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 16:01:23,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-24 16:01:23,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 16:01:23,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 16:01:23,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:01:23,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 16:01:23,481 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,482 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-24 16:01:23,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,483 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 16:01:23,483 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 16:01:23,484 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO L268 CegarLoopResult]: For program point L10-9(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 9 21) no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-24 16:01:23,484 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 9 21) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point L13-1(lines 13 15) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed.
[2020-09-24 16:01:23,485 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed.
[2020-09-24 16:01:23,486 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 9 21) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))
[2020-09-24 16:01:23,487 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 16:01:23,487 INFO L264 CegarLoopResult]: At program point L14(lines 9 21) the Hoare annotation is: false
[2020-09-24 16:01:23,487 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true
[2020-09-24 16:01:23,487 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-24 16:01:23,487 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-3(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-4(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-5(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,488 INFO L268 CegarLoopResult]: For program point L10-6(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO L268 CegarLoopResult]: For program point L10-7(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO L268 CegarLoopResult]: For program point L10-8(line 10) no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 5 7) no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 7) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|)
[2020-09-24 16:01:23,489 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 5 7) no Hoare annotation was computed.
[2020-09-24 16:01:23,489 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed.
[2020-09-24 16:01:23,490 INFO L268 CegarLoopResult]: For program point L6-2(line 6) no Hoare annotation was computed.
[2020-09-24 16:01:23,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:01:23 BoogieIcfgContainer
[2020-09-24 16:01:23,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:01:23,509 INFO L168 Benchmark]: Toolchain (without parser) took 2360.65 ms. Allocated memory was 141.0 MB in the beginning and 234.9 MB in the end (delta: 93.8 MB). Free memory was 104.9 MB in the beginning and 160.9 MB in the end (delta: -56.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,510 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.03 ms. Allocated memory is still 141.0 MB. Free memory was 104.2 MB in the beginning and 94.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,512 INFO L168 Benchmark]: Boogie Preprocessor took 121.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 94.9 MB in the beginning and 182.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,513 INFO L168 Benchmark]: RCFGBuilder took 331.74 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,514 INFO L168 Benchmark]: TraceAbstraction took 1578.22 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 160.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:01:23,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 319.03 ms. Allocated memory is still 141.0 MB. Free memory was 104.2 MB in the beginning and 94.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 121.51 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 94.9 MB in the beginning and 182.5 MB in the end (delta: -87.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 331.74 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1578.22 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 160.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 9]: Loop Invariant
Derived loop invariant: 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 31 SDslu, 89 SDs, 0 SdLazy, 139 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 24 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 3275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...