/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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 02:19:22,692 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 02:19:22,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 02:19:22,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 02:19:22,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 02:19:22,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 02:19:22,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 02:19:22,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 02:19:22,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 02:19:22,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 02:19:22,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 02:19:22,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 02:19:22,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 02:19:22,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 02:19:22,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 02:19:22,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 02:19:22,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 02:19:22,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 02:19:22,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 02:19:22,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 02:19:22,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 02:19:22,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 02:19:22,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 02:19:22,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 02:19:22,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 02:19:22,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 02:19:22,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 02:19:22,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 02:19:22,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 02:19:22,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 02:19:22,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 02:19:22,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 02:19:22,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 02:19:22,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 02:19:22,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 02:19:22,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 02:19:22,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 02:19:22,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 02:19:22,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 02:19:22,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 02:19:22,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 02:19:22,763 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 02:19:22,813 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 02:19:22,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 02:19:22,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 02:19:22,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 02:19:22,816 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 02:19:22,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 02:19:22,817 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 02:19:22,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 02:19:22,817 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 02:19:22,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 02:19:22,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 02:19:22,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 02:19:22,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 02:19:22,819 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 02:19:22,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 02:19:22,820 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 02:19:22,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 02:19:22,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 02:19:22,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 02:19:22,821 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 02:19:22,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 02:19:22,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 02:19:22,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 02:19:22,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 02:19:22,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 02:19:22,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 02:19:22,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 02:19:22,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 02:19:22,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 02:19:22,823 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;
[2020-09-25 02:19:23,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 02:19:23,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 02:19:23,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 02:19:23,319 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 02:19:23,319 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 02:19:23,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_2.c
[2020-09-25 02:19:23,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd90ed499/661851714d7e4c84add8991096f01d4b/FLAG5b81f9ea9
[2020-09-25 02:19:23,967 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 02:19:23,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/while_infinite_loop_2.c
[2020-09-25 02:19:23,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd90ed499/661851714d7e4c84add8991096f01d4b/FLAG5b81f9ea9
[2020-09-25 02:19:24,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dd90ed499/661851714d7e4c84add8991096f01d4b
[2020-09-25 02:19:24,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 02:19:24,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 02:19:24,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 02:19:24,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 02:19:24,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 02:19:24,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fcb5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24, skipping insertion in model container
[2020-09-25 02:19:24,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 02:19:24,384 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 02:19:24,620 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 02:19:24,626 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 02:19:24,640 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 02:19:24,654 INFO L208 MainTranslator]: Completed translation
[2020-09-25 02:19:24,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24 WrapperNode
[2020-09-25 02:19:24,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 02:19:24,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 02:19:24,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 02:19:24,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 02:19:24,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (1/1) ...
[2020-09-25 02:19:24,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 02:19:24,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 02:19:24,765 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 02:19:24,765 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 02:19:24,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (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 02:19:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 02:19:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 02:19:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 02:19:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 02:19:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 02:19:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 02:19:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 02:19:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 02:19:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 02:19:25,004 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 02:19:25,004 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 02:19:25,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:25 BoogieIcfgContainer
[2020-09-25 02:19:25,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 02:19:25,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 02:19:25,011 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 02:19:25,014 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 02:19:25,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:19:24" (1/3) ...
[2020-09-25 02:19:25,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f267d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:25, skipping insertion in model container
[2020-09-25 02:19:25,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:19:24" (2/3) ...
[2020-09-25 02:19:25,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20f267d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:19:25, skipping insertion in model container
[2020-09-25 02:19:25,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:19:25" (3/3) ...
[2020-09-25 02:19:25,019 INFO L109 eAbstractionObserver]: Analyzing ICFG while_infinite_loop_2.c
[2020-09-25 02:19:25,030 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 02:19:25,040 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 02:19:25,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 02:19:25,092 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 02:19:25,092 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 02:19:25,092 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 02:19:25,093 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 02:19:25,093 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 02:19:25,093 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 02:19:25,093 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 02:19:25,093 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 02:19:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states.
[2020-09-25 02:19:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-09-25 02:19:25,119 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:19:25,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:19:25,121 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:19:25,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:19:25,128 INFO L82 PathProgramCache]: Analyzing trace with hash -10313984, now seen corresponding path program 1 times
[2020-09-25 02:19:25,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:19:25,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349794107]
[2020-09-25 02:19:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:19:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:19:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:19:25,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:19:25,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:19:25,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 02:19:25,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 02:19:25,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75
[2020-09-25 02:19:25,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:19:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:19:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-25 02:19:25,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:19:25,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 02:19:25,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:19:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:19:25,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:19:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:19:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:19:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:19:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:19:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:19:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:19:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:19:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:19:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 02:19:25,355 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 02:19:25,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349794107]
[2020-09-25 02:19:25,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:19:25,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-09-25 02:19:25,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619035326]
[2020-09-25 02:19:25,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-09-25 02:19:25,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:19:25,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-09-25 02:19:25,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-25 02:19:25,387 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states.
[2020-09-25 02:19:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:19:25,413 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions.
[2020-09-25 02:19:25,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-09-25 02:19:25,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10
[2020-09-25 02:19:25,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:19:25,424 INFO L225 Difference]: With dead ends: 26
[2020-09-25 02:19:25,424 INFO L226 Difference]: Without dead ends: 13
[2020-09-25 02:19:25,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-25 02:19:25,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states.
[2020-09-25 02:19:25,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13.
[2020-09-25 02:19:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2020-09-25 02:19:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions.
[2020-09-25 02:19:25,466 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10
[2020-09-25 02:19:25,466 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:19:25,467 INFO L479 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions.
[2020-09-25 02:19:25,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-09-25 02:19:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions.
[2020-09-25 02:19:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-09-25 02:19:25,468 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 02:19:25,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 02:19:25,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 02:19:25,469 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 02:19:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 02:19:25,469 INFO L82 PathProgramCache]: Analyzing trace with hash -13144129, now seen corresponding path program 1 times
[2020-09-25 02:19:25,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 02:19:25,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353390064]
[2020-09-25 02:19:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 02:19:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:19:25,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:19:25,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:19:25,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-25 02:19:25,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:19:25,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24
[2020-09-25 02:19:25,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:19:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 02:19:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 02:19:25,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 02:19:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:19:25,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 02:19:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 02:19:25,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 02:19:25,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 02:19:25,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 02:19:25,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 02:19:25,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 02:19:25,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST
[2020-09-25 02:19:25,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 02:19:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 02:19:25,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 02:19:25,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 02:19:25,600 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 02:19:25,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353390064]
[2020-09-25 02:19:25,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 02:19:25,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 02:19:25,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285333448]
[2020-09-25 02:19:25,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 02:19:25,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 02:19:25,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 02:19:25,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 02:19:25,605 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 5 states.
[2020-09-25 02:19:25,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 02:19:25,649 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions.
[2020-09-25 02:19:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-25 02:19:25,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10
[2020-09-25 02:19:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 02:19:25,652 INFO L225 Difference]: With dead ends: 13
[2020-09-25 02:19:25,652 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 02:19:25,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-25 02:19:25,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 02:19:25,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 02:19:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 02:19:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 02:19:25,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2020-09-25 02:19:25,656 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 02:19:25,656 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 02:19:25,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 02:19:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 02:19:25,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 02:19:25,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 02:19:25,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 02:19:25,703 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 02:19:25,703 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 02:19:25,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 02:19:25,704 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 02:19:25,704 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 02:19:25,704 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 02:19:25,704 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 9 18) the Hoare annotation is: true
[2020-09-25 02:19:25,705 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 9 18) no Hoare annotation was computed.
[2020-09-25 02:19:25,705 INFO L264 CegarLoopResult]: At program point L14(line 14) the Hoare annotation is: (= main_~x~0 0)
[2020-09-25 02:19:25,705 INFO L264 CegarLoopResult]: At program point L14-1(lines 12 15) the Hoare annotation is: (= main_~x~0 0)
[2020-09-25 02:19:25,705 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 9 18) no Hoare annotation was computed.
[2020-09-25 02:19:25,706 INFO L264 CegarLoopResult]: At program point L12-2(lines 12 15) the Hoare annotation is: false
[2020-09-25 02:19:25,706 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2020-09-25 02:19:25,706 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2020-09-25 02:19:25,706 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-25 02:19:25,707 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2020-09-25 02:19:25,707 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2020-09-25 02:19:25,707 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2020-09-25 02:19:25,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:19:25 BoogieIcfgContainer
[2020-09-25 02:19:25,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 02:19:25,738 INFO L168 Benchmark]: Toolchain (without parser) took 1408.90 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 131.8 MB in the end (delta: -28.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,739 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,741 INFO L168 Benchmark]: Boogie Preprocessor took 108.54 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.7 MB in the beginning and 182.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,742 INFO L168 Benchmark]: RCFGBuilder took 244.35 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 171.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,743 INFO L168 Benchmark]: TraceAbstraction took 723.00 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 131.8 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB.
[2020-09-25 02:19:25,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 320.96 ms. Allocated memory is still 140.5 MB. Free memory was 103.0 MB in the beginning and 93.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 108.54 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.7 MB in the beginning and 182.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 244.35 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 171.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 723.00 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 131.8 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 5]: 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: 12]: Loop Invariant
Derived loop invariant: x == 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 SDtfs, 5 SDslu, 19 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 8 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 12 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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...